Publications

2026

Original Paper

1.  Design and Synthesis of Sorafenib-Inspired Benzofuran Hybrids as VEGFR-2 Inhibitors: Antiproliferative Evaluation, Mechanistic Insights, and Docking Studies in Hepatocellular Carcinoma

S. Shehda, A. M. Almatary, M. Salem, M. H. Aboutaleb, S. Takizawa, Y. M. A. A. Yasmine, M. El-Sayed, R. Elrayess, RSC Med. Chem. 2026, 17, 477-493 (DOI)

 

2.  A Recyclable Triangular Phenanthrenequinone (TPQ) Catalyst-in-a-Teabag System for Biomimetic Aerobic Oxidation of Benzylamines

Oh, J. J.; Salem, H.; Takizawa, S.; Kim, H. Y. Org. Lett. 2026, 28, 722-726. (DOI)

ダイアグラム

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Book & Review

1.    フロー・電解合成反応条件探索効率化を志向したデータ駆動型マルチパラメータスクリーニング

近藤 健, Mohamed S. H. Salem, 滝澤 忍, 有機合成化学協会誌, 2026, 84, 41-49 (DOI)

グラフィカル ユーザー インターフェイス

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2025

Original Paper

1.    Enantioselective hetero-coupling of 2-naphthylamines with 2-naphthol derivatives via cooperative photo-activation and chiral vanadium(V) catalysis

D. Fan, M. Karuppasamy, G. Kamble, K. Ando, D. Zhou, M. Salem, H. Sasai, S. Takizawa, ACS Catal. 2025, 15, 18077 (DOI). <Selected as a Cover Picture>

背景パターン

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2.    Antimicrobial, Structural, Optical, and Redox Profiling of 7H-Benzo[c]carbazol-10-ol Derivatives: An Integrated Experimental and Computational Study

M. Salem, M. E. l. Samak, Y. A. Aziz, M. Aboutaleb, S. Patil, T. Z. Aye, T. Ibrahim, S. Takizawa, ACS Omega 2025, 10, 59183 (DOI). <Selected as a Cover Picture>

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3.    Chemical structure and antifouling activity of yoshioaplysins AC isolated from red alga genus Laurencia

R. Fukada, K. Nishikawa, M. Nagasaka, M. Kirihara, S. Takizawa, Y. Morimoto, K. Nimura, N. Kikuchi, Y. Yamagishi, T. Ishii, T. Kamada, Fitoterapia 2025, 185, 106683 (DOI).

Unlabelled Image

 

4.    Cyanomethylation of Aldehydes on an Electrochemical Microflow System and Utility of Machine Learning-Assisted Examination of the Reaction Conditions

E. Sato, A. Tani, T. Miyao, S. Kunimoto, S. Takizawa, K. Mitsudo, S. Suga, Chem. Eur. J. 2025, 31, e202501257DOI.

 

5.    Electrochemical Cascade Access to Hetero[8]circulenes: Potent Organophotocatalysts for Diverse CX Bond Formations

S. Gabr, M. S. H. Salem, M. I. Khalid, R. Takahashi, Y. Nishimoto, M. Yasuda, S. Takizawa Nat. Commun. 2025, 16, 5682DOI.

 

6.    Unexpected Surprise in the Reactions of Acetals and Trialkylsilyl Chloride (R3SiCl): Efficient Deprotection of Aromatic Acyclic Acetals

M. Karuppasamy, I. U. Wedage, M. S. H. Salem, K. Morimoto, S. Takizawa, H. Fujioka, Chem. Pharm. Bull. 2025, 73, 396-400 (DOI).

テキスト

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7.    Tandem Photocatalyst-Free Visible Light Aryl Azidation-Intramolecular C-H Amination: One-Pot Access to Carbazoles and Indoles from Areneazo-2-(2-nitro)propanes

D. V. Patil, R. Patel, S. Takizawa, H. Y. Kim, K. Oh, Adv. Synth. Catal. 2025, 367, e202401333 (DOI).

Description unavailable

 

Book & Review

1.      Remodelling Molecular Frameworks via Atom-Level Surgery: Recent Advances in Skeletal Editing of (Hetero)Cycles

R. Sharma, M. Arisawa, S. Takizawa, M. S. H. Salem, Org. Chem. Front. 2025, 12, 1633-1670 (DOI).

Graphical abstract: Remodelling molecular frameworks via atom-level surgery: recent advances in skeletal editing of (hetero)cycles

 

2.      Few Steps, Big Impact: Recent Advances in the Streamlined Synthesis of Multiply Chiral Heterohelicenes with Tunable Optoelectronic Properties

M. S. H. Salem, S. Takizawa, Chemistry-Methods 2025, 5, e202500018 (DOI). <Selected as a Cover Picture>

カラフルな色の花

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3.      フロー合成におけるベイズ最適化による有機分子触媒反応のマルチパラメータスクリーニング

近藤健, M. S. H. Salem, 滝澤忍, 月間ファインケミカル, 【特集】有機分子触媒:加速する触媒化学の現在地(2, シーエムシー出版 2025915日出版

 

4.      機械学習を活用する精密有機合成反応条件の迅速最適化
滝澤 忍,
M. S. H. Salem,生産と技術 2025, 77(2), 93-96.

 

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2024

Original Paper

1.    Theoretical Study on the Relationship between Circular Dichroism and Circularly Polarized Luminescence in Oxaza[7]dehydrohelicene Derivatives

M. FUJIWARA, M. FUJINAMI, M. S. H. SALEM, S. TAKIZAWA, H. NAKAI, J. Comput. Chem. Jpn. 2024, 23, 37-39 (DOI).

グラフ

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2.    Visible Light-Induced Radical Cascade Functionalization of Quinoxalin-2(1H)-ones: Three-Component 1,2-Di(hetero)arylation Approach with Styrenes and Thianthrenium Salts

Sau, S.; Takizawa, S.; Kim, H. Y.; Oh, K. Org. Lett. 2024, 26, 8821-8826 (DOI).

ダイアグラム

自動的に生成された説明

 

3.    Green and Efficient Protocols for the Synthesis of Sulfonyl Fluorides Using Potassium Fluoride as the Sole Fluorine Source

Yamahara, S.; Salem, M. S. H.; Kawai , T.; Watanabe, M.; Sakamoto, Y.; Okada, T.; Kimura, Y.; Takizawa, S.; Kirihara, M. ACS Sustainable Chem. Eng. 2024, 12, 12135-12142 (DOI). <Selected as a Cover Picture>

Abstract Imageゲーム画面のスクリーンショット

低い精度で自動的に生成された説明

 

4.    Impact of helical elongation of symmetric oxa[n]helicenes on their structural, photophysical, and chiroptical characteristics

Salem, M. S. H.; Sharma, R.; Suzuki, S.; Imai, Y.; Arisawa, M.; Takizawa, S. Chirality 2024, 36, e23673 (DOI).

ダイアグラム

自動的に生成された説明

 

5.    Light-induced autoxidation of aldehydes to peracids and carboxylic acids

Salem, M. S. H.; Dubois, C.; Takamura, Y.; Kitajima, A.; Kawai, T.; Takizawa, S.; Kirihara, M. Green Chem. 2024, 26, 375 (DOI).

 

6.    Selective Recognition between Aromatics and Aliphatics by Cage-Shaped Borates Supported by Machine Learning Approach

Tsutsui, Y.; Yanaka, I.; Takeda, K.; Kondo, M.; Takizawa, S.; Kojima, R.; Konishi, A.; Yasuda, M. Org. Biomol. Chem. 2024, 22, 4283-4291 (DOI). <Selected as a Cover Picture>

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7.    In-Silico-Assisted Derivatization of Triarylboranes for the Catalytic Reductive Functionalization of Aniline-Derived Amino Acids and Peptides with H2

Hisata, Y.; Washio, T.; Takizawa, S.; Ogoshi, S.; Hoshimoto, Y. Nat. Commun. 2024, 15, 3708 (DOI).

Fig. 1

 

8.    Bayesian optimization assisted screening conditions for visible light-induced hydroxy-perfluoroalkylation

Tagami, K.; Kondo, M.; Takizawa, S.; Mase, N.; Yajima, T. J. Fluor. Chem. 2024, 276, 110294 (DOI).

Image, graphical abstract

 

9.    Product Selectivity Control under Acidic and Basic Conditions on Oxidative Transformation of 1,3-Dicarbonyls Using Sodium Hypochlorite Pentahydrate

Kirihara, M.; Sakamoto, Y.; Tanaka, T.; Kawai, T.; Okada, T.; Kimura, Y.; Takizawa, S. Synthesis 2024, 56, 1873-1880 (DOI)

テキスト

自動的に生成された説明

 

Book & Review

1.    Synthesis and Structural and Optical Behavior of Dehydrohelicene-Containing Polycyclic Compounds

Khalid, Md. I.; Salem, M. S. H.; Takizawa, S. Molecules 2024, 29, 296 (DOI).

Molecules | Free Full-Text | Synthesis and Structural and Optical ...

 

2.    Organocatalyzed Enantioselective Synthesis of Spirooxindole Scaffolds

M. S. H. Salem, A. Sabri, M. Sasi, D. Fan, S. Takizawa (K. Deshmukh, T. A. Nguyen, G. Patel, V. R. Shah Eds), Spirooxindole: Chemistry, synthesis, characterization and biological significance, Elsevier, 2024612日出版

 

3.    Atropisomerism in asymmetric organic synthesis: Challenges and applications

M. S. H. Salem, S. Takizawa Eds, Wiley-VCH Verlag GmbH & Co. KGaA, 2024107日出版

 

4.    機械学習を活用したフロー精密有機合成の可変パラメータ最適化

滝澤忍,  ファインケミカル, 医薬品の連続生産プロセス, 技術情報協会, 20241129日出版

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2023

Original Paper

1.    Electrochemical Carbon-Ferrier Rearrangement Using a Microflow Reactor and Machine Learning-assisted Exploration of Suitable Conditions

Sato, E.; Tachiwaki, G.; Fujii, M.; Mitsudo, K.; Washio, T.; Takizawa, S.; Suga, S. Org. Process Res. Dev. 2023, in press (DOI).

Figure 1

 

2.    Data-driven Electrochemical One-pot Synthesis of Double Hetero[7]dehydrohelicene

Salem, M. S. H.; Sharma, R.; Khalid, Md. I.; Sasi, M.; Amasaki, R.; Imai, Y.; Arisawa, M.; Takizawa S. Electrochemistry 2023, 91, 112015 (DOI).

 

3.    Antifouling Brominated Diterpenoids from Japanese Marine Red Alga Laurencia venusta Yamada

Fukada, R.; Yamagishi, Y.; Nagasaka, M.; Osada, D.; Nimura, K.; Oshima, I.; Tsujimoto, K.; Kirihara, M.; Takizawa, S.; Kikuchi, N.; Ishii, T.; Kamada, T. Chem. Biodiversity 2023, 20, e202300888 (DOI).

 

4.    Light-controlled pKa Value of Chiral Brønsted Acid Catalysts in Enantioselective Aza-FriedelCrafts Reaction

Krishnan, C. G.; Kondo, M.; Yasuda, Y.; Fan, D.; Nakamura, K.; Wakabayashi, Y.; Sasai, H.; Takizawa, S. Chem. Commun. 2023, 59, 9956 (DOI). <Selected as a Cover Picture>

ダイアグラム

自動的に生成された説明

 

5.    Bayesian Optimization-assisted Screening to Identify Improved Reaction Conditions for Spiro-dithiolane Synthesis

Kondo, M.; Wathsala, H. D. P.; Ishikawa, K.; Yamashita, D.; Miyazaki, T.; Ohno, Y.; Sasai, H.; Washio, T.; Takizawa, S. Molecules, 2023, 28, 5180 (DOI).

Molecules 28 05180 g001

 

6.    Electrochemical Synthesis of Hetero[7]helicenes Containing Pyrrole and Furan Rings via an Oxidative Heterocoupling and Dehydrative Cyclization Sequence

Salem, M. S. H.; Khalid, Md. I.; Sako, M.; Higashida, K.; Lacroix, C.; Kondo, M.; Takishima, R.; Taniguchi, T.;  Miura, M.; Vo-Thanh, G.; Sasai, H.; Takizawa, S. Adv. Synth. Catal. 2023, 365, 373 (DOI).Top Viewed Article

ダイアグラム, 設計図, 概略図

自動的に生成された説明

 

7.    Two-pot synthesis of unsymmetrical hetero[7]helicenes with intriguing optical properties

Salem, M. S. H.; Khalid, Md. I.; Sasai, H.; Takizawa, S. Tetrahedron 2023, 133, 133266 (DOI).

ダイアグラム

自動的に生成された説明

 

8.    Metal-Free Aerobic CN Bond Formation of Styrene and Arylamines via Photoactivated Electron Donor-Acceptor Complexation

Fan, D.; Sabri, A.; Sasai, H.; Takizawa, S. Molecules 2023, 28, 356 (DOI).

ダイアグラム

自動的に生成された説明

 

Book & Review

1.      Photoswitchable Chiral Organocatalysts: Photocontrol of Enantioselective Reactions

Kondo, M.; Nakamura, K.; Krishnan, C.G.; Sasai, H.; Takizawa, S. Chem. Rec. 2023, 23, e202300040 (DOI).

 

2.      Azobenzenebased Chiral Photoswitchable Catalysts

Kondo, M.; Nakamura, K.; Sasai, H.; Takizawa, S. J. Synth. Org. Chem. Jpn. 2023, 81, 817 (DOI).

 

3.      ベイズ最適化による電解・フロー精密有機合成反応条件の探索と効率化

近藤健, 滝澤忍,  実験の自動化・自律化によるR&Dの効率化と運用方法, 技術情報協会, 20231227日出版

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2022

Original Paper

1.    Bayesian optimization with constraint on passed charge for multiparameter screening of electrochemical reductive carboxylation in a flow microreactor

Naito, Y.; Kondo, M.; Nakamura, Y.; Shida, N.; Ishikawa, K.; Washio, T.; Takizawa, S.; Atobe, M. Chem. Commun. 2022, 58, 3893 (DOI) (Selected as Inside Front Cover).

カレンダー が含まれている画像

自動的に生成された説明

 

2.    Metal-free C(aryl)P bond cleavage: experimental and computational studies of the Michael addition/aryl migration of triarylphosphines to alkenyl esters

Sako, M.; Kanomata, K.; Mohamed, S. H. S.; Furukawa, T.; Sasai H.; Takizawa, S. Org. Chem. Front. 2022, 9, 2187 (DOI).

Graphical abstract: Metal-free C(aryl)–P bond cleavage: experimental and computational studies of the Michael addition/aryl migration of triarylphosphines to alkynyl esters

 

3.    Photoswitchable chiral cation-binding catalyst: Photocontrol of catalytic activity on enantioselective aminal synthesis

Krishnan, C.; Kondo, M.; Nakamura, K.; Sasai, H.; Takizawa, S. Org. Lett. 2022, 24, 2670 (DOI) (Selected as Front Cover).

ダイアグラム

自動的に生成された説明文字の書かれた紙

低い精度で自動的に生成された説明

 

4.   DAST-mediated ring-opening of cyclopropyl silyl ethers in nitriles: Facile synthesis of allylic amides via Ritter-type process

Kirihara, M.; Nakamura, R.; Nakakura, K.; Tujimoto, K.; Mohamed S. H. S.; Suzuki, T.; Takizawa, S. Org. Biomol. Chem. 2022, 20, 6558 (DOI).

Graphical abstract: DAST-mediated ring-opening of cyclopropyl silyl ethers in nitriles: facile synthesis of allylic amides via a Ritter-type process

 

5.  New anionic cobalt(III) complexes enable enantioselective synthesis of spiro-fused oxazoline and iodoacetal derivatives

Salem, M. S. H. and Takizawa, S. Front. Chem. 2022, 10:1034291 (DOI).

ダイアグラム, 概略図, マップ

自動的に生成された説明

 

6.  Bayesian optimization-driven parallel-screening on multi-parameters of micromixer-type and organocatalytic conditions in the flow biaryl synthesis

Kondo, M.; Wathsala, H. D. P.; Salem, M. S. H.; Ishikawa, H.; Hara, S.; Takaai, T.; Washio, T.; Sasai, H.; Takizawa, S. Commun. Chem. 2022, 5, 148. (DOI)

figure 1

 

7.    Electrochemical synthesis of heterodehydro[7]helicenes

Khalid, Md. I.; Salem, M. S. H.; Sako, M.; Kondo, M.; Sasai, H.; Takizawa, S. Commun. Chem. 2022, 5, 166 (DOI).

 

8.    Electrochemical Synthesis of 1,1-Binaphthalene-2,2-diamines via Transition-Metal-Free Oxidative Homocoupling

Fan, D.; Khalid, Md. I.; Kamble, G. T.; Sasai, H.; Takizawa, S. Sustain. Chem. 2022, 3, 551 (DOI) (Highlighted on the Main Page of the  Journal).

Hiroダイアグラム が含まれている画像

自動的に生成された説明

 

9.    Two-Step Synthesis, Structure, and Optical Features of a Double Hetero[7]helicene

Salem, M. S. H.; Sabri, A.; Khalid, I.; Sasai, H.; Takizawa, S. Molecules 2022, 27, 9068 (DOI).

 

Book & Review

1.    Atroposelective synthesis of C–C axially chiral compounds via mono- and dinuclear vanadium catalysis

Kumar, A.; Sasai, H.; Takizawa, S. Acc. Chem. Res. 2022, 55, 2949 (DOI).

ダイアグラム

自動的に生成された説明

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2021

Original Paper

1.    Preparation of Optically Pure Dinuclear Cobalt(III) Complex with Λ–Configuration as a Dianionic Chiral Catalyst

Salem, M. S. H.; Kumar, A.; Sako, M.; Abe, T.; Takizawa, S.; Sasai, H. Heterocycles, 2021, 103, 225 (DOI).

 

2.    Photoswitchable Chiral Phase Transfer Catalyst

Kondo, M.; Nakamura, K.; Krishnan, C.; Takizawa, S.; Abe, T.; Sasai, H. ACS Catalysis, 2021, 11, 1863(DOI).

https://pubs.acs.org/na101/home/literatum/publisher/achs/journals/content/accacs/0/accacs.ahead-of-print/acscatal.1c00057/20210126/images/large/cs1c00057_0007.jpeg

Highlighted in Synfacts 2021, 17, 442. (DOI)

 

3.    Practical Stereoselective Synthesis of C3Spirooxindole and C2SpiropseudoindoxylPyrrolidines via Organocatalyzed PictetSpengler Reaction/Oxidative Rearrangement Sequence

Kondo, M.; Matsuyama, N.; Aye, T. Z.; Mattan, I.; Sato, T.; Makita, Y.; Ishibashi, M.; Arai, M.; Takizawa, S.; Sasai, H. Adv. Synth. Catal., 2021, 363, 2648(DOI).

 

4.    Chemo- and Enantioselective Hetero-coupling of Hydroxycarbazoles Catalyzed by a Chiral Vanadium(v) complex

Sako, M.; Higashida, K.; Kamble, G. T.; Kaut, K.; Kumar, A.; Hirose, Y.; Zhou, D.; Suzuki, T.; Rueping, M.; Maegawa, T.; Takizawa, S.; Sasai, H. Org. Chem. Front., 2021, 8, 4878 (DOI).

Graphical abstract: Chemo- and enantioselective hetero-coupling of hydroxycarbazoles catalyzed by a chiral vanadium(v) complex

 

5.    Chiral Vanadium(v)-catalyzed Oxidative Coupling of 4-Hydroxycarbazoles

Kamble, G.; Salem, M.; Abe, T.; Park, H.; Sako, M.; Takizawa, S.; Sasai, H. Chem. Lett., 2021, 50, 1755-1757 (DOI).

figure

 

6.    Azopyridine-based Chiral Oxazolines with Rare-earth Metals for Photoswitchable Catalysis

Chem. Commun., 2021, 57, 7414 (DOI).

Graphical abstract: Azopyridine-based chiral oxazolines with rare-earth metals for photoswitchable catalysis

 

7.    Energy-, Time-, and Labor-saving Synthesis of α-Ketiminophosphonates: Machine-learning-assisted Simultaneous Multiparameter Screening for Electrochemical Oxidation

DOI

Graphical abstract: Energy-, time-, and labor-saving synthesis of α-ketiminophosphonates: machine-learning-assisted simultaneous multiparameter screening for electrochemical oxidation

 

8.    Application of an Electrochemical Microflow Reactor for Cyanosilylation: Machine Learning-assisted Exploration of Suitable Reaction Conditions for Semi-large-scale Synthesis

Sato, E.; Fujii, M.; Tanaka, H.; Mitsudo, K.; Kondo, M.; Takizawa, S.; Sasai, H.; Washio, T.; Ishikawa, K.; Suga, S. J. Org. Chem., 2021,86, 16035-16044 (DOI).

https://pubs.acs.org/na101/home/literatum/publisher/achs/journals/content/joceah/0/joceah.ahead-of-print/acs.joc.1c01242/20210806/images/medium/jo1c01242_0012.gif

 

9.    Chemo- and Regioselective Cross-dehydrogenative Coupling Reaction of 3-Hydroxycarbazoles with Arenols Catalyzed by a Mesoporous Silica-supported Oxovanadium

Kasama, K.; Kanomata, K.; Hinami, Y.; Mizuno, K.; Uetake, Y.; Amaya, T.; Sako, M.; Takizawa, S.; Sasai, H.; Akai, S. RSC Adv. 2021, 11, 35342-35350 (DOI).

Graphical abstract: Chemo- and regioselective cross-dehydrogenative coupling reaction of 3-hydroxycarbazoles with arenols catalyzed by a mesoporous silica-supported oxovanadium

 

Book & Review

1.    不斉1,4-付加反応, 不斉森田–BaylisHilman反応

笹井宏明, 滝澤忍 (檜山為次郎, 野崎京子, 中尾佳亮, 中野幸司 編集), In 有機合成のための新触媒反応101, 東京化学同人, 2021118日出版

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2020

Original Paper

1.     Vanadium(V) Complex-catalyzed One-pot Synthesis of Phenanthridines via a Pictet-Spengler-Dehydrogenative Aromatization Sequence

Sako, M.; Losa, R.; Takiishi, T.; Vo-Thanh, G.; Takizawa, S.; Sasai, H. Catalysts 2020, 10, 860(DOI)

   untitled

 

2.     Catalytic and Enantioselective oxa-Piancatelli Reaction using Chiral Vanadium Complex

Schober, L.; Sako, M.; Takizawa, S.; Gröger, H.; Sasai, H. Chem. Commun. 2020, 56, 10151-10154(DOI)

Graphical abstract: Catalytic and enantioselective oxa-Piancatelli reaction using a chiral vanadium complex

 

3.     Synthesis of Allylamine Derivatives via Intermolecular Aza-Wacker-Type Reaction Promoted by PalladiumSPRIX Catalyst

Sen, A.; Zhu, L.; Takizawa, S.; Takenaka, K.; Sasai, H. Adv. Synth. Catal. 2020, 362, 3558-3563(DOI)

untitled

 

4.     Exploration of Flow Reaction Conditions Using Machine-learning for Enantioselective Organocatalyzed Rauhut-Currier and [3+2] Annulation Sequence
Kondo, M.; Wathsala, H. D. P.; Sako, M.; Hanatani, Y.; Ishikawa, K.; Hara, S.; Takaai, T.; Washio, T.; Takizawa, S.; Sasai, H.
Chem. Commun. 2020, 56, 1259-1262. (DOI)

Highlighted in Synfacts 2020, 16, 366. (DOI)
<本研究成果は
プレスリリースされました>
EurekAlert!
https://eurekalert.org/pub_releases/2020-02/ou-trs021820.php
AlphaGalileo
https://www.alphagalileo.org/Item-Display/ItemId/189379

5.     Enantioselective One-pot Synthesis of 3-Azabicyclo[3.1.0]hexanes via Allylic Substitution and Oxidative Cyclization
Chaki, B. M.; Takenaka, K.; Zhu, L.; Tsujihara, T.; Takizawa, S.; Sasai, H.
Adv. Synth. Catal. 2020, 362(7), 1537-1547. (DOI)
<
Selected as a Very Important Publication (VIP)>

Highlighted in Synfacts 2020, 16, 781. (DOI)

 

Book & Review

1.     Organocatalytic Synthesis of Highly Functionalized Heterocycles by Enantioselective aza-MoritaBaylisHillman-type Domino Reactions
Takizawa, S.
Chem. Pharm. Bull. 2020, 68, 299-315.📚
<2019
年度日本薬学会学術振興賞受賞記念総説>

 

2.     Chiral vanadium complex-catalyzed oxidative coupling of arenols

Sako, M.; Takizawa, S.; Sasai, H. Tetrahedron 2020, 76, 131645. (DOI)

3.     Vanadium-catalyzed enantioselective CC bond-forming reactions

M. Sako, S. Takizawa, H Sasai (M. Sutradhar, J. A. L. da Silva, A. J. L. Pombeiro, Eds), In Vanadium Catalysis, RSC Publishing, 20201112日出版(Chapter 18

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2019

Original Paper

1.    Chiral Dinuclear Vanadium Complex-mediated Oxidative Coupling of Resorcinols
Sako, M.; Aoki, T.; Zumbrägel, N.; Schober, L.; Gröger, H.; Takizawa, S.; Sasai, H.
J. Org. Chem. 2019, 84(3), 1580-1587. (DOI)
<Selected as a Cover Picture>

 

2.    Room-Temperature, Metal-Free and One-Pot Preparation of 2H-Indazoles via Mills Reaction and Cyclization Sequence
Kondo, M.; Takizawa, S.; Jiang, Y.; Sasai, H.
Chem. Eur. J. 2019, 25(42), 9866-9869. (DOI)


Book & Review

1.    キラルバナジウム触媒によるヘリセン様化合物の簡便合成
佐古 真,滝澤 忍,笹井 宏明,
生産と技術 2019, 71(2), 77-80.

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2018

Original Paper

1.     Asymmetric Oxidative Coupling of Hydroxycarbazoles: Facile Synthesis of (+)-Bi-2-hydroxy-3-methylcarbazole
Sako, M.; Sugizaki, A.;
Takizawa, S. Bioorg. Med. Chem. Lett. 2018, 28, 2751-2753. (DOI)
(Dedicated to Professor Dr. Dale L. Boger on the occasion of his 65th birthday.)


2.     Enantioselective Synthesis of Spiro (isoxazole-isoxazoline) Hybrid Ligand
Chaki, B. M.; Wakita, K.; Takizawa, S.; Takenaka, K.; Sasai, H.
Heterocycles 2018, 97, 493505. (DOI)


3.     Phosphine-Catalyzed Dual Umpolung Domino Michael Reaction: Facile Synthesis of Hydroindole- and Hydrobenzofuran-2-Carboxylates
Kishi, K.; Takizawa, S.; Sasai, H.
ACS Catal. 2018, 8, 5228-5232. (DOI)


4.     Vanadium-Catalyzed Dehydrogenation of N‑Heterocycles in Water
Zumbrägel, N.; Sako, M.; Takizawa, S.; Sasai, H.; Gröger, H.
Org. Lett. 2018, 20, 4723-4727. (DOI)


Book & Review

1.     “多機能有機分子不斉触媒を用いる環境調和型ドミノ反応の開発”
「有機分子触媒の開発と工業利用」
笹井宏明、滝澤忍,シーエムシー出版 (2018) 220-232.
📚

2.     “キラルバナジウム触媒を用いるエナンチオ選択的酸化カップリング反応の開発と応用”
佐古真、滝澤忍、笹井宏明,
有機合成化学協会誌Vol.76, No.9 (2018)874-884.📚
Chiral Vanadium Complex-catalyzed Enantioselective Oxidative Coupling Reactions
Sako, M.; Takizawa, S.; Sasai, H. J. Synth. Org. Chem. Jpn. 2018, 76, 874
884.
(DOI)

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2017

Original Paper

1.     Facile Synthesis of Spirooxindoles via an Enantioselective Organocatalyzed Sequential Reaction of Oxindoles with Ynone
Takizawa, S.; Kishi, K.; Kusaba, M.; Bai, J.; Suzuki, T.; Sasai, H. Heterocycles 2017, 95(2), 761-767. (DOI)


2.     Short Syntheses of 4-Deoxycarbazomycin B, Sorazolon E, and (+)-Sorazolon E2
Sako, M.; Ichinose, K.; Takizawa, S.; Sasai, H.
Chem. Asian J. 2017, 12(12), 13051308. (DOI)

3.     Determination of the Absolute Configuration of Compounds Bearing Chiral Quaternary Carbon Centers Using the Crystalline Sponge Method
Sairenji, S.; Kikuchi, T.;
Abozeid, M. A.; Takizawa, S.; Sasai, H.; Ando, Y.; Ohmatsu, K.; Ooi, T.; Fujita, M. Chem. Sci. 2017, 8(7), 51325136. (DOI)


4.     Enantioselective Synthesis of Tetrahydrocyclopenta[b]indole Bearing a Chiral Quaternary Carbon Center via Pd(II)-SPRIX-Catalyzed CH Activation
Abozeid, M. A.;
Sairenji, S.; Takizawa, S.; Fujita, M.; Sasai, H. Chem. Commun. 2017, 53, 6887-6890. (DOI)


5.     Multifunctional Catalysis: Stereoselective Construction of α-Methylidene-γ-Lactams via Amidation/RauhutCurrier Sequence
Kishi, K.;
Arteaga, F. A.; Takizawa, S.; Sasai, H. Chem. Commun. 2017, 53. 7724-7727. (DOI)
<Selected as an Inside Front Cover>


6.     Reversal of Enantioselectivity Approach to BINOLs via Single and Dual 2‑Naphthol Activation Modes
Kim, H. Y.; Takizawa, S.; Sasai, H.; Oh, K.
Org. Lett. 2017, 19(14), 3867-3870. (DOI)


7.     Enantio- and Diastereoselective Betti/aza-Michael Sequence: Single Operated Preparation of Chiral 1,3-Disubstituted Isoindolines
Takizawa, S.; Sako, M.; Abozeid, M. A.; Kishi, K.; Wathsala, H. D. P.; Hirata, S.; Murai, K.; Fujioka, H.; Sasai, H.
Org. Lett. 2017, 19(19), 5426-5429. (DOI)


8.     Chiral Organocatalyzed Intermolecular RauhutCurrier Reaction of Nitroalkenes with Ethyl Allenoate
Takizawa, S.; Sako, M.; Kishi, K.; Shigenobu, M.; Vo-Thanh, G.; Sasai, H.
Chem. Pharm. Bull. 2017, 65, 997-999. (DOI)
<Selected as a Cover Picture>

 

Book & Review

1.     多機能有機分子触媒を用いるエナンチオ選択的ドミノ反応の開発
滝澤忍、笹井宏明,化学工業,第689 (2017), 31-38.

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2016

Original Paper

1.     Enantioselective Organocatalytic Oxidation of Ketimines
Takizawa, S.; Kishi, K.;
Abozeid, M. A.; Murai, K.; Fujioka, H.; Sasai, H. Org. Biomol. Chem. 2016, 14, 761-767. (DOI)


2.     Efficient Enantioselective Synthesis of Oxahelicenes Using Redox/Acid Cooperative Catalysts
Sako, M.; Takeuchi, Y.; Tsujihara, T.; Kodera, J.; Kawano, T.; Takizawa, S.; Sasai, H.
J. Am. Chem. Soc. 2016, 138(36), 11481-11484. (DOI)


3.     Organocatalyzed [4+2] Annulation of All-Carbon Tetrasubstitued Alkenes with Allenoate: Synthesis of Highly Functionalized 2H, and 4H-Pyran Derivatives
Ngo, T.-Thuy-Duong ; Kishi, K.; Sako, M.; Shigenobu, M.; Bournaud, C.; Toffano, M.; Guillot, R.; Baltaze, J.-P.; Takizawa, S.; Sasai, H.; Vo-Thanh, G. ChemistrySelect 2016, 1(17), 5414-5420. (DOI)


Book & Review

1.      “有機分子触媒を用いる脱古典的ドミノ反応の開発動向”
「有機分子触媒の化学 モノづくりのパラダイムシフト」(日本化学会 編)
滝澤忍,化学同人 (2016) 206-207.

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2015

Original Paper

1.     Pd-Catalyzed Enantioselective Intramolecularα-Arylation ofα-Substituted Cyclic Ketones: Facile Synthesis of Functionalized Chiral Spirobicycles
Fan, L.; Takizawa, S.; Takeuchi, Y.; Takenaka, K.; Sasai, H.
Org. Biomol. Chem. 2015, 13, 4837-4840. (DOI)


2.     Structural Features and Asymmetric Environment of i-Pr-SPRIX Ligand
Takenaka, K.; Lin, X.; Takizawa, S.; Sasai, H. Chirality, 2015, 27, 532-537.. (DOI)


3.     Enantioselective and Aerobic Oxidative Coupling of 2-Naphthol Derivatives Using Chiral Dinuclear Vanadium(V) Complex in Water
Sako, M.; Takizawa, S.; Yoshida, Y.; Sasai, H.
Tetrahedron: Asymmetry 2015, 26, 613-616. (DOI)


4.     Pd(II)-Catalyzed Diastereoselective and Enantioselective Domino Cyclization/Cycloaddition Reactions of Alkenyl Oximes for Polycyclic Heterocycles with Four Chiral Stereogenic Centers
Abozeid, M. A.; Takizawa, S.; Sasai, H.
Tetrahedron Lett. 2015, 56, 4316-4319. (DOI)


5.     An Enantioselective Organocatalyzed aza-Morita-Baylis-Hillman Reaction of Isatin-derived Ketimines with Acrolein
Yoshida, Y.; Sako, M.; Kishi, K.; Sasai, H.; Hatakeyama, S.; Takizawa, S.
Org. Biomol. Chem. 2015, 13, 9022-9028. (DOI)


6.     Phosphine-Catalyzed β,γ-Umpolung Domino Reaction of Allenic Esters: Facile Synthesis of Tetrahydrobenzofuranones Bearing a Chiral Tetrasubstituted Carbon Stereogenic Center
Takizawa, S.; Kishi, K.; Yoshida, Y.; Mader, S.; Arteaga, F. A.; Lee, S.; Hoshino, M.; Rueping, M.; Fujita, M.; Sasai, H. Angew. Chem. Int. Ed. 2015, 54, 15511-15515. (DOI)
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Highlighted in Synfacts 2016, 12, 129>


Book & Review

1.     Vanadium in Asymmetric Synthesis: Emerging Concepts in Catalyst Design and Applications
Takizawa, S.; Gröger, H.; Sasai, H.
Chem. Eur. J. 2015, 21, 8992-8997. (DOI)

2.     Sasai, H.; Takizawa, S. Vanadium and Niobium-catalyzed Enantioselective Reactions In Sustainable Catalysis: With Non-endangered Metals, Part 1, North, M. Ed, Royal Society of Chemistry; UK, 2015; pp 216-249.

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2014

Original Paper

1.     Enantioselective Oxidative-Coupling of Polycyclic Phenols
Takizawa, S.; Kodera, J.; Yoshida, Y.; Sako, M.; Breukers, S.; Enders, D.; Sasai, H. Tetrahedron 2014, 70, 1786-1793. (DOI)


2.     Enantioselective Organocatalyzed Formal [4+2] Cycloaddition of Ketimines with Allenoates: Easy Access to a Tetrahydropyridine Framework with a Chiral Tetrasubstituted Stereogenic Carbon Center
Takizawa, S.; Arteaga, F. A.; Yoshida, Y.; Suzuki, M.; Sasai, H. Asian J. Org. Chem. 2014, 3, 412-415. (DOI)


3.     C3-Symmetric Chiral Trisimidazoline-catalyzed FriedelCrafts (FC)-type Reaction
Takizawa, S.; Hirata, S.; Murai, K.; Fujioka, H.; Sasai, H.
Org. Biomol. Chem. 2014, 12, 5827-5830. (DOI)


4.     Facile Regio- and Stereoselective Metal-Free Synthesis of All-Carbon Tetrasubstituted Alkenes Bearing a C(sp3)F Unit via Dehydroxyfluorination of MoritaBaylisHillman (MBH) Adducts
Takizawa, S.; Arteaga, F. A.; Kishi, K.; Hirata, S.; Sasai, H. Org. Lett. 2014, 16, 4162-4165. (DOI)


Book & Review

1.     Takizawa, S.; Sasai, H. Metal-catalyzed Enantio- and Diastereoselective CC Bond-forming Reactions in Domino Processes In Domino Reactions: Concepts for Efficient Organic Synthesis, Tietze, L. F. Ed, Wiley-VCH Verlag GmbH & Co. KGaA; Chapter 11, pp. 419-462 (2014).

2.     Takizawa, S.; Sasai, H. "Enantioselective Acid-Base Organocatalyzed Domino Reactions Based on aza-Morita-Baylis-Hillman Process", J. Synth. Org. Chem. Jpn., vol. 72, No. 7, pp. 781-796 (2014).

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2013

Original Paper

1.     Facile Synthesis of α-Methylidene-γ-Butyrolactones: Intramolecular Rauhut-Currier Reaction Promoted by Chiral Acid-Base Organocatalysts
Takizawa, S.; Nguyen, T. M.-N.; Grossmann, A.; Suzuki, M.; Enders, D.; Sasai H.
Tetrahedron 2013, 69, 1202-1209. (DOI)


2.     Vanadium-Catalyzed Enantioselective Friedel-Crafts-Type Reactions
Takizawa, S.;
Arteaga, F. A.; Yoshida, Y.; Kodera, J.; Nagata, Y.; Sasai, H. Dalton Trans. 2013, 42, 11787-11790. (DOI)


3.     DFT Study on 5-Endo-Trig-Type Cyclization of 3-Alkenoic Acids Using PdSPRIX Catalyst: Importance of the Rigid Spiro Framework for Both Selectivity and Reactivity
Gabr, R. K. M.; Hatakeyama, T.; Takenaka, K.; Takizawa, S.; Okada, Y.; Nakamura, M.; Sasai, H.
Chem. Eur. J. 2013, 19, 9518-9525. (DOI)


4.     o-(Hydroxyalkyl) P-Chirogenic Phosphines as Functional Chiral Lewis Bases
Rémond, E.; Bayardon, J.; Takizawa, S.; Rousselin, Y.; Sasai, H.; Jugé, S. Org. Lett. 2013, 15, 1870-1873. (DOI)


5.     Pd(II)-SDP-Catalyzed Enantioselective 5-Exo-Dig Cyclization of γ-Alkynoic Acids: Application to the Synthesis of Functionalized Dihydrofuran-2(3H)-ones Containing a Chiral Quaternary Carbon Center
Sridharan, V.; Fan, L.; Takizawa, S.; Suzuki, T.; Sasai, H. Org. Biomol. Chem. 2013, 11, 5936-5943. (DOI)


6.     P-Chirogenic Organocatalysts: Application to the aza-Morita-Baylis-Hillman (aza-MBH) Reaction of Ketimines
Takizawa, S.; Rémond, E.; Arteaga, F. A.; Yoshida, Y.; Sridharan, V.; Bayardon, J.; Jugé S.; Sasai, H. Chem. Commun. 2013, 49, 8392-8394. (DOI)
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Highlighted in Synfacts 2013, 9, 1297>


7.     Organocatalyzed Formal [2+2] Cycloaddition of Ketimines with Allenoates: Facile Access to Azetidines with a Chiral Tetrasubstituted Carbon Stereogenic Center
Takizawa, S.; Arteaga, F. A.; Yoshida, Y.; Suzuki, M.; Sasai, H.
Org. Lett. 2013, 15, 4142-4145. (DOI)


8.     Chiral Bifunctional Organocatalysts Bearing a 1,3-Propanediamine Unit for the aza-MBH Reaction
Hirata, S.; Tanaka, K.; Matsui, K.; Arteaga, F. A.; Yoshida, Y.; Takizawa, S.; Sasai, H.
Tetrahedron: Asymmetry 2013, 24, 1189-1192. (DOI)

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2012

Original Paper

1.     Enantioselective Synthesis of a-Alkylidene-g-Butyrolactones: Intramolecular Rauhut-Currier Reaction Promoted by Acid/Base Organocatalysts
Takizawa, S.; Nguyen, T. M.-N.; Grossmann, A.; Enders, D.; Sasai H.
Angew. Chem., Int. Ed. 2012, 51, 5423-5426. (DOI)
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Highlighted in Synfacts 2012, 8, 787>


2.     Design and Synthesis of Spiro Bis(1,2,3-triazolium) Salts As Chiral Ionic Liquids
Yoshida, Y.; Takizawa, S.;
Sasai, H. Tetrahedron: Asymmetry 2012, 23, 843-851. (DOI)

 

Book & Review

1.     Sasai, H. and Takizawa, S. C-C Bond Formation: (aza) Morita-Baylis-Hillman Reaction in Comprehensive Chirality, Carreira, E. M. and Yamamoto, H. Ed., Elsevier B. V.; Amsterdam, 6, pp. 234-263 (2012).

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2011

Original Paper

1.     An Enantioselective Organocatalyzed aza-MBH Domino Process: Application to the Facile Synthesis of Tetrahydropyridines
Takizawa, S.; Inoue, N.; Sasai H.
Tetrahedron Lett. 2011, 52, 377-380. (DOI)


2.     Chlorinative Cyclization of 1,6-Enynes by Enantioselective Palladium(II)/Palladium(IV) Catalysis
Takenaka, K.; Hashimoto, S.;
Takizawa, S.; Sasai, H. Adv. Synth. Catal. 2011, 353, 1067-1070. (DOI).


3.     Enantioselective Cyclization of 4-Alkenoic Acids via an Oxidative Allylic C-H Esterification
Takenaka, K.; Akita, M.;
Tanigaki, Y.; Takizawa, S.; Sasai, H. Org. Lett. 2011, 13, 3506-3509. (DOI).
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Highlighted in Synfacts 2011, 991>


4.     A Bifunctional Spiro-Type Organocatalyst with High Enantiocontrol: Application to the Aza-Morita-Baylis-Hillman Reactions
Takizawa, S.; Kiriyama, K.;
Ieki, K.; Sasai, H. Chem. Commun. 2011, 47, 9227-9229. (DOI).


5.     Synthesis of Spiro Bis(1,2,3-triazolium) Salts As Chiral Ionic Liquids
Yoshida, Y.; Takizawa, S.;
Sasai, H. Tetrahedron Lett. 2011, 52, 6877-6879. (DOI).

 

Book & Review

1.     Immobilization of Multicomponent Asymmetric Catalysts (MACs)
Polymeric Chiral Catalyst Design and Chiral Polymer Synthesis」(Itsuno, S. Ed.
Takizawa, S.; Sasai, H. John Wiley & Sons, (2011) 293-322.

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2010

Original Paper

1.     Asymmetric Synthesis of Chiral Spiro Bis(isoxazoline) and Spiro (Isoxazole-Isoxazoline) Ligands
Takenaka, K.; Nagano, T.; Takizawa, S.; Sasai, H.
Tetrahedron: Asymmetry 2010, 21, 379-381. (DOI)

2.     Enantioselective 6-Endo-Trig Wacker-Type Cyclization of 2-Geranylphenols: Application to Facile Synthesis of ()-Cordiachromene
Takenaka, K.; Tanigaki, Y.;
Patil, M. L.; Rao, C. V. L.; Takizawa, S.; Suzuki, T.; Sasai, H. Tetrahedron: Asymmetry 2010, 21, 767-770. (DOI)

3.     Acid-Base Organocatalysts for the Aza-Morita-Baylis-Hillman Reaction of Nitroalkenes
Takizawa, S.; Horii, A.; Sasai, H.
Tetrahedron: Asymmetry 2010, 21, 891-894. (DOI)

4.     Enantioselective Wacker-Type Cyclization of 2-Alkenyl-1,3-Diketones Promoted by Pd-SPRIX Catalyst
Takenaka, K.; Mohanta, S. C.; Patil, M. L.; Rao, C. V. L.; Takizawa, S.; Suzuki, T.; Sasai, H.
Org. Lett. 2010, 12, 3480-3483. (DOI)
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Highlighted in Synfacts 2010, 1263>

5.     Enantioselective Synthesis of Isoindolines: Organocatalyzed Domino Process Based on the aza-Morita-Baylis-Hillman (aza-MBH) Reaction
Takizawa, S.; Inoue, N.; Hirata, S.; Sasai H.
Angew. Chem. Int. Ed. 2010, 49, 9725-9729. (DOI)
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Highlighted in Synfactcs 2011, 221>

6.     Pd-Catalyzed 5-Endo-Trig-Type Cyclization of b,g-Unsaturated Carbonyl Compounds: an Efficient Ring Closing Reaction to Give g-Butenolides and 3-Pyrrolin-2-ones
Bajracharya, G. B.; Koranne, P. S.; Nadaf, R. N.; Gabr, R. K. M.; Takenaka, K.; Takizawa, S.; Sasai H.
Chem. Commun. 2010, 46, 9064-9066. (DOI)

 

Book & Review

1.     「使える!有機合成反応241実践ガイド」(丸岡啓二, 野崎京子, 石井康敬, 大寺純蔵, 富岡清 編著)
笹井宏明, 滝澤忍, 竹中和浩, 化学同人 (2010) 224-225, 262-263, 280-281, 360-361.

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2009

Original Paper

1.     Dicationic Palladium(II)-Spiro bis(isoxazoline) Complex for Highly Enantioselective Isotactic Copolymerization of CO with Styrene Derivatives
Bajracharya, G. B.; Koranne, P. S.; Tsujihara, T.; Takizawa, S.; Onitsuka, K.; Sasai, H. Synlett 2009, 310-314. (DOI)

2.     One-pot Preparation of Chiral Dinuclear Vanadium(V) Complex
Takizawa, S.; Rajesh, D.; Katayama, T.; Sasai, H.
Synlett 2009, 1667-1669. (DOI)

3.     Enantioselective Intramolecular Oxidative Aminocarbonylation of Alkenylureas Catalyzed by Palladium-Spiro Bis(isoxazoline) Complexes
Tsujihara, T.; Shinohara, T.; Takenaka, K.; Takizawa, S.; Onitsuka, K.; Hatanaka, M.; Sasai, H.
J. Org. Chem. 2009, 74, 9274-9279. (DOI)

 

Book & Review

1.     10章 酸塩基複合型触媒 アザMBH反応を中心として”
「化学フロンティア
21 進化を続ける有機触媒−有機合成を革新する第三の触媒」 (丸岡啓二 編)
笹井宏明, 滝澤忍, 化学同人 (2009) 120-127.

2.     複数の構成要素を持つ不斉触媒“Multicomponent Asymmetric Catalyst (MAC)”の固定化
滝澤忍, 荒井孝義, 笹井宏明,
有機合成化学協会誌, 673 (2009), 194-207.

3.     Development of Dinuclear Vanadium Catalysts for Enantioselective Coupling of 2-Naphthols via a Dual Activation Mechanism
Takizawa, S.
Chem. Pharm. Bull. 2009, 57, 1179-1188.

4.     二重活性化能を有する酸塩基型不斉有機分子触媒の開発とaza-Morita-Baylis-Hillman反応への展開
滝澤忍, 薬学雑誌, 12910 (2009), 1201-1210.

 

5.     Development of Chiral Spiro Ligands for Metal-Catalyzed Asymmetric Reactions
Bajracharya, G. B.; Arai, M. A.; Koranne, P. S.; Suzuki, T.; Takizawa, S.; Sasai, H.
Bull. Chem. Soc. Jpn. 2009, 82, 285-302. (DOI)

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2008

Original Paper

1.     Dual Activation in Oxidative Coupling of 2-Naphthols Catalyzed by Chiral Dinuclear Vanadium Complexes
Takizawa, S.; Katayama, T.; Somei, H.; Asano, Y.; Yoshida, T.; Kameyama, C.; Rajesh, D.; Onitsuka, K.; Suzuki, T.; Mikami, M.; Yamataka, H.; Jayaprakash, D.; Sasai, H.
Tetrahedron 2008, 64, 3361-3371. (DOI)

2.     Chiral Dinuclear Vanadium(V) Catalysts for Oxidative Coupling of 2-Naphthols
Takizawa, S.; Katayama, T.; Kameyama, C.; Onitsuka, K.; Suzuki, T.; Yanagida, T.; Kawai, T.; Sasai, H.
Chem. Commun. 2008, 1810-1812. (DOI)
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Highlighted in Synfacts 2008, 737>

3.     Divergent Synthesis of Chiral Spiro (Isoxazole-Isoxazoline) Hybrid Ligands
Takenaka, K.; Nakatsuka, S.; Tsujihara, T.; Koranne, P. S.; Sasai, H.
Tetrahedron: Asymmetry 2008, 19, 2492-2496. (DOI)

Book & Review

1.     Recent Development on Chiral Ionic Liquids: Design, Synthesis, and Applications
Patil, M. L.; Sasai, H.
Chem. Rec. 2008, 8, 98-108. (DOI)

 

2.     Dinuclear Chiral Vanadium Catalysts for Oxidative Coupling of 2-Naphthols via a Dual Activation Mechanism
Takizawa, S.; Katayama, T.; Sasai, H.
Chem. Commun. 2008, 4113-4122. (DOI)

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2007

Original Paper

1.     Synthesis of Novel Spiro Imidazolium Salts as Chiral Ionic Liquids
Patil, M. L.; Rao, C. V. L.; Takizawa, S.; Takenaka, K.; Onitsuka, K.; Sasai, H.
Tetrahedron 2007, 63, 12702-12711. (DOI)

2.     Development of New Methods towards Efficient Immobilization of Enantioselective Catalysts
Takizawa, S.; Patil, M. L.; Marubayashi, K.; Sasai, H.
Tetrahedron 2007, 63, 6512-6528. (DOI)

3.     Enantioselective Glyoxylate-ene Reaction using a Novel Spiro Bis(isoxazoline) Ligand in Copper Catalysis
Wakita, K.; Bajracharya, G. B.; Arai, M. A.; Takizawa, S.; Suzuki, T.; Sasai, H.
Tetrahedron: Asymmetry 2007, 18, 372-376. (DOI)

4.     Optical Resolution of Tetra Isopropyl-substituted Spiro Bis(isoxazoline) i-Pr-SPRIX
Takizawa, S.; Yogo, J.; Tsujihara, T.; Onitsuka, K.; Sasai, H.
J. Organomet. Chem. 2007, 692, 495-498. (DOI)

Book & Review

1.     Bifunctional Organocatalysts for Enantioselective Aza-Morita-Baylis-Hillman (Aza-MBH) Reactions
Takizawa, S.; Matsui, K.; Sasai, H.
J. Synth. Org. Chem. Jpn. 2007, 65 (11), 1089-1098.

2.     塩基型不斉有機分子触媒を用いるaza-Morita-Baylis-Hillman反応
笹井宏明, 滝澤忍, 松井嘉津也,
THE CHEMICAL TIMES KANTO CHEMICAL CO. INC. 2007, 1, 3-8.

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2006

Original Paper

1.     Design and Synthesis of Novel Chiral Spiro Ionic Liquids
Patil, M. L.; Rao, C. V. L.; Yonezawa, K.; Takizawa, S.; Onitsuka, K.; Sasai, H.
Org. Lett. 2006, 8, 227-230. (DOI)

2.     Conformational Lock in Brfnsted Acid - Lewis Base Organocatalyst for the aza-Morita-Baylis-Hillman Reaction
Matsui, K.; Tanaka, K.; Horii, A.; Takizawa, S.; Sasai, H.
Tetrahedron: Asymmetry 2006, 17, 578-583. (DOI)

3.     A Brfnsted Acid - Lewis Base Organocatalyst for the aza-Morita-Baylis-Hillman Reaction
Matsui, K.; Takizawa, S.; Sasai, H.
Synlett 2006, 761-765. (DOI)

Book & Review

1.     “第18章 酸塩基型不斉有機分子触媒によるaza-Morita-Baylis-Hillman反応”
「有機分子触媒の新展開」(柴崎正勝 監修)
笹井宏明, 滝澤忍, 松井嘉津也, シ−・エム・シー出版 (2006) 231-242.

 

2.     Development of Efficient Methods for the Immobilisation of Multicomponent Asymmetric Catalysts
Jayaprakash, D.; Takizawa, S.; Arai, T.; Sasai, H.
J. Experimental Nanoscience 2006, 1, 477-510. (DOI)

 

Patent

1.     「光学活性スピロビスイソオキサゾリン誘導体とその製造方法およびその金属錯体を用いた不斉触媒反応」
笹井宏明, 脇田和彦, 加藤孝浩, 荒井緑, 特開2006-76939

2.     「光学活性スピロビスイソオキサゾール誘導体およびその製造法、並びにその金属錯体を用いた不斉触媒反応」
笹井宏明, 脇田和彦, 加藤孝浩, 荒井緑, 特開2006-76915

3.     「スピロキラリティを有する第4級アンモニウム塩およびその製造法、並びに該アンモニウム塩を用いた不斉触媒反応」
下元愛, 米澤浩司, 滝澤忍, 笹井宏明, 特開2006-76911

4.     「新規スピロ構造化合物とその製造法」
マヘッシュ エル パティル, シラムコッティ ベンカット ラクシュマン ラオ, 滝澤忍, 笹井宏明, 特開2006-76887

5.     「スピロ骨格を持つキラルな相間移動触媒およびその製造法、並びにそれを用いた不斉触媒反応」
米澤浩司, 下元愛, 滝澤忍, 笹井宏明, 特開2006-70001

6.     Novel organic molecular catalyst having binaphthol skeleton and processes for producing the same and application thereof
Sasai Hiroaki, Takizawa Shinobu, Matsui Katsuya, Patent No. US 2006-009646

7.     「ビナフトール骨格を有する新規有機分子触媒およびその製造法と応用」
笹井宏明, 滝澤忍, 松井嘉津也, 特開2006-28021

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2005

Original Paper

1.     Spiro Crown Ethers Bearing (S )-1,1'-Spirobiindanes as Chiral Backbones
Yonezawa, K.; Patil, M. L.; Sasai, H.; Takizawa, S.
Heterocycles 2005, 66, 639-644.

2.     Bifunctional Organocatalysts for Enantioselective aza-Morita-Baylis-Hillman Reaction
Matsui, K.; Takizawa, S.; Sasai, H.
J. Am. Chem. Soc. 2005, 127, 3680-3681. (DOI)

3.     Micelle-Derived Polymer Supports for Enantioselective Catalysts
Takizawa, S.; Patil, M. L.; Yonezawa, F.; Marubayashi, K.; Tanaka, H.; Kawai, T.; Sasai, H.
Tetrahedron Lett. 2005, 46, 1193-1197. (DOI)

4.     Enantioselective Morita-Baylis-Hillman (MBH) Reaction Promoted by a Heterobimetallic Complex with a Lewis Base
Matsui, K.; Takizawa, S.; Sasai, H.
Tetrahedron Lett. 2005, 46, 1943-1946. (DOI)

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2004

Original Paper

1.     Dual Activation in a Homolytic Coupling Reaction Promoted by an Enantioselective Dinuclear Vanadium(IV) Catalyst
Somei, H.; Asano, Y.; Yoshida, T.; Takizawa, S.; Yamataka, H.; Sasai, H.
Tetrahedron Lett. 2004, 45, 1841-1844. (DOI)

2.     Development of Novel Chiral Spiro Ligand Bearing Oxazolines
Kato, T.; Marubayashi, K.; Takizawa, S.; Sasai, H.
Tetrahedron: Asymmetry 2004, 15, 3693-3697. (DOI)

3.     Enantioselective Aldol-type Reaction Using Diketene
Kawase, T.; Takizawa, S.; Jayaprakash, D.; Sasai, H.
Synth. Commun. 2004, 34, 4487-4492. (DOI)

Book & Review

1.    Asymmetric ligands bearing spiro skeleton and their applications to enantioselective catalysis
Takizawa, S.; Jayaprakash, D.; Patil, M. L.; Muthiah, C.; Sasai, H.
Materials Integration 2004, 17, 3-6.

 

2.    Development of novel immobilization methods for multifunctionl asymmetric catalysts
Takizawa, S.; Sasai, H.
生産と技術 2004, 56, 43.

 

3.    Trend in the development of novel chiral ionic liquids
Patil, M. L.; Takizawa, S.; Sasai, H.
Chemical Industry 2004, 55, 877.

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2003

Original Paper

1.     Design and Synthesis of Novel Spiro Pyridinium and Quinolinium Salts
Patil, M. L.; Takizawa, S.; Sasai, H.
Heterocycles 2003, 61, 581.

2.     Metal-bridged Polymers as Insoluble Multicomponent Asymmetric Catalysts with High Enantiocontrol: An Approach for the Immobilization of Catalysts without Using any Support
Takizawa, S.; Somei, H.; Jayaprakash, D.; Sasai, H.
Angew. Chem. Int. Ed. 2003, 42, 5711. (DOI)

3.     Monolayer-protected Au Cluster (MPC)-supported Ti-BINOLate Complex
Marubayashi, K.; Takizawa, S.; Kawakusu, T.; Arai, T.; Sasai, H.
Org. Lett. 2003, 5, 4409. (DOI)

4.     Synthesis of Novel Chiral Spiro Bis(pyrazole) Ligands
Takizawa, S.; Honda, Y.; Arai, M. A.; Kato, T.; Sasai, H.
Heterocycles 2003, 60, 2551.

5.     Polymer Supported BisBINOL Ligands for the Immobilization of Multicomponent Asymmetric Catalysts
Sekiguti, T.; Iizuka, Y.; Takizawa, S.; Jayaprakash, D.; Arai, T.; Sasai, H.
Org. Lett. 2003, 5, 2647. (DOI)

6.     Enantioselective Synthesis of a-Methylene-g-butyrolactones Using Chiral Pd(II)-SPRIX Catalyst
Muthiah, C.; Arai, M. A.; Shinohara, T.; Arai, T.; Takizawa, S.; Sasai, H.
Tetrahedron Lett. 2003, 44, 5201. (DOI)

7.     "Catalyst Analogue": A Concept for Constructing Multicomponent Asymmetric Catalysts (MAC) Using a Polymer Support
Arai, T.; Sekiguti, T.; Otsuki, K.; Takizawa, S.; Sasai, H.
Angew. Chem. Int. Ed. 2003, 42, 2144. (DOI)

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