Works matching AU Sasai, Hiroaki

Results: 54

Carbonylation of Propargyl Carbamates with Palladium(II) Bisoxazoline Catalysts: Efficient Synthesis of 5-Methoxy-3(2 H)-furanones.

Published in:

Angewandte Chemie, 2013, v. 125, n. 30, p. 7999, doi. 10.1002/ange.201303684

By:

Kusakabe, Taichi;
Takahashi, Takeo;
Shen, Rong;
Ikeda, Ayumi;
Dhage, Yogesh Daulat;
Kanno, Yuichro;
Inouye, Yoshio;
Sasai, Hiroaki;
Mochida, Tomoyuki;
Kato, Keisuke

Publication type:

Article

Enantioselective Synthesis of α-Alkylidene-γ-Butyrolactones: Intramolecular Rauhut-Currier Reaction Promoted by Acid/Base Organocatalysts.

Published in:

Angewandte Chemie, 2012, v. 124, n. 22, p. 5519, doi. 10.1002/ange.201201542

By:

Takizawa, Shinobu;
Nguyen, Tue Minh-Nhat;
Grossmann, André;
Enders, Dieter;
Sasai, Hiroaki

Publication type:

Article

Enantioselective Synthesis of Isoindolines: An Organocatalyzed Domino Process Based On the aza-Morita-Baylis-Hillman Reaction.

Published in:

Angewandte Chemie, 2010, v. 122, n. 50, p. 9919, doi. 10.1002/ange.201004547

By:

Takizawa, Shinobu;
Inoue, Naohito;
Hirata, Shuichi;
Sasai, Hiroaki

Publication type:

Article

Synthesis of new chiral bis(isoxazoline) ligands containing spiro[5.5]undecane skeleton.

Published in:

Chirality, 2003, v. 15, n. 1, p. 101, doi. 10.1002/chir.10164

By:

Arai, Midori A.;
Kuraishi, Minori;
Arai, Takayoshi;
Sasai, Hiroaki

Publication type:

Article

Enantioselective Organocatalyzed Formal [4+2] Cycloaddition of Ketimines with Allenoates: Easy Access to a Tetrahydropyridine Framework with a Chiral Tetrasubstituted Stereogenic Carbon Center.

Published in:

Asian Journal of Organic Chemistry, 2014, v. 3, n. 4, p. 412, doi. 10.1002/ajoc.201300244

By:

Takizawa, Shinobu;
Arteaga, Fernando Arteaga;
Yoshida, Yasushi;
Suzuki, Michitaka;
Sasai, Hiroaki

Publication type:

Article

Metal-Bridged Polymers as Insoluble Multicomponent Asymmetric Catalysts with High Enantiocontrol: An Approach for the Immobilization of Catalysts without Using any Support ( This work was supported by a Grant-in-Aid for Scientific Research from the...

Published in:

Angewandte Chemie, 2003, v. 115, n. 46, p. 5889, doi. 10.1002/ange.200352354

By:

Shinobu Takizawa;
Hidenori Somei;
Doss Jayaprakash;
Hiroaki Sasai

Publication type:

Article

Catalyst Analogue: A Concept for Constructing Multicomponent Asymmetric Catalysts (MAC) by Using a Polymer Support ( This work was supported by a Grant-in-Aid for Scientific Research from the Ministry of Education, Culture, Sports, Science and Technology, Japan. We thank the technical staff in the Materials Analysis Center of ISIR, Osaka University. )

Published in:

Angewandte Chemie, 2003, v. 115, n. 19, p. 2194, doi. 10.1002/ange.200250536

By:

Takayoshi Arai;
Tetuya Sekiguti;
Kazuhiro Otsuki;
Shinobu Takizawa;
Hiroaki Sasai

Publication type:

Article

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

Published in:

Advanced Synthesis & Catalysis, 2023, v. 365, n. 3, p. 373, doi. 10.1002/adsc.202201262

By:

Salem, Mohamed S. H.;
Khalid, Md. Imrul;
Sako, Makoto;
Higashida, Keigo;
Lacroix, Charlie;
Kondo, Masaru;
Takishima, Ryo;
Taniguchi, Taisei;
Miura, Masahiro;
Vo‐Thanh, Giang;
Sasai, Hiroaki;
Takizawa, Shinobu

Publication type:

Article

Practical Stereoselective Synthesis of C3‐Spirooxindole‐ and C2‐Spiropseudoindoxyl‐Pyrrolidines via Organocatalyzed Pictet‐Spengler Reaction/Oxidative Rearrangement Sequence.

Published in:

Advanced Synthesis & Catalysis, 2021, v. 363, n. 10, p. 2648, doi. 10.1002/adsc.202001472

By:

Kondo, Masaru;
Matsuyama, Naoki;
Aye, Tin Z.;
Mattan, Irshad;
Sato, Tomoyuki;
Makita, Yoshinori;
Ishibashi, Masami;
Arai, Midori A.;
Takizawa, Shinobu;
Sasai, Hiroaki

Publication type:

Article

Photoswitchable Chiral Organocatalysts: Photocontrol of Enantioselective Reactions.

Published in:

Chemical Record, 2023, v. 23, n. 7, p. 1, doi. 10.1002/tcr.202300040

By:

Kondo, Masaru;
Nakamura, Kento;
Krishnan, Chandu G.;
Sasai, Hiroaki;
Takizawa, Shinobu

Publication type:

Article

Bayesian Optimization-Assisted Screening to Identify Improved Reaction Conditions for Spiro-Dithiolane Synthesis.

Published in:

Molecules, 2023, v. 28, n. 13, p. 5180, doi. 10.3390/molecules28135180

By:

Kondo, Masaru;
Wathsala, Hettiarachchige Dona Piyumi;
Ishikawa, Kazunori;
Yamashita, Daisuke;
Miyazaki, Takeshi;
Ohno, Yoji;
Sasai, Hiroaki;
Washio, Takashi;
Takizawa, Shinobu

Publication type:

Article

Metal-Free Aerobic C–N Bond Formation of Styrene and Arylamines via Photoactivated Electron Donor–Acceptor Complexation.

Published in:

Molecules, 2023, v. 28, n. 1, p. 356, doi. 10.3390/molecules28010356

By:

Fan, Duona;
Sabri, Ahmed;
Sasai, Hiroaki;
Takizawa, Shinobu

Publication type:

Article

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

Published in:

Molecules, 2022, v. 27, n. 24, p. 9068, doi. 10.3390/molecules27249068

By:

Salem, Mohamed S. H.;
Sabri, Ahmed;
Khalid, Md. Imrul;
Sasai, Hiroaki;
Takizawa, Shinobu

Publication type:

Article

Development of efficient methods for the immobilisation of multicomponent asymmetric catalysts.

Published in:

Journal of Experimental Nanoscience, 2006, v. 1, n. 4, p. 477, doi. 10.1080/17458080601067690

By:

Jayaprakash, Doss;
Takizawa, Shinobu;
Arai, Takayoshi;
Sasai, Hiroaki

Publication type:

Article

Asymmetric Brønsted Acid Catalyzed Substitution of Diaryl Methanols with Thiols and Alcohols for the Synthesis of Chiral Thioethers and Ethers.

Published in:

Angewandte Chemie International Edition, 2016, v. 55, n. 15, p. 4803, doi. 10.1002/anie.201511179

By:

Chatupheeraphat, Adisak;
Liao, Hsuan-Hung;
Mader, Steffen;
Sako, Makoto;
Sasai, Hiroaki;
Atodiresei, Iuliana;
Rueping, Magnus

Publication type:

Article

Phosphine-Catalyzed β, γ-Umpolung Domino Reaction of Allenic Esters: Facile Synthesis of Tetrahydrobenzofuranones Bearing a Chiral Tetrasubstituted Stereogenic Carbon Center.

Published in:

Angewandte Chemie International Edition, 2015, v. 54, n. 51, p. 15511, doi. 10.1002/anie.201508022

By:

Takizawa, Shinobu;
Kishi, Kenta;
Yoshida, Yasushi;
Mader, Steffen;
Arteaga, Fernando Arteaga;
Lee, Shoukou;
Hoshino, Manabu;
Rueping, Magnus;
Fujita, Makoto;
Sasai, Hiroaki

Publication type:

Article

Palladium-Catalyzed Direct CH Arylation of Isoxazoles at the 5-Position.

Published in:

Angewandte Chemie International Edition, 2015, v. 54, n. 33, p. 9572, doi. 10.1002/anie.201504552

By:

Shigenobu, Masashi;
Takenaka, Kazuhiro;
Sasai, Hiroaki

Publication type:

Article

Palladium Enolate Umpolung: Cyclative Diacetoxylation of Alkynyl Cyclohexadienones Promoted by a Pd/SPRIX Catalyst.

Published in:

Angewandte Chemie International Edition, 2014, v. 53, n. 18, p. 4675, doi. 10.1002/anie.201311172

By:

Takenaka, Kazuhiro;
Mohanta, Suman C.;
Sasai, Hiroaki

Publication type:

Article

Regio- and Enantioselective Allylation of Indole Catalyzed by a Planar-chiral Cyclopentadienyl--Ruthenaium Complex.

Published in:

Chemistry Letters, 2009, v. 38, n. 5, p. 27, doi. 10.1246/cl.2009.444

By:

Onitsuka, Kiyotaka;
Kameyama, Chiaki;
Sasai, Hiroaki

Publication type:

Article

Direct Catalytic Asymmetric Aldol Reactions of Aldehydes with Unmodified Ketones.

Published in:

Angewandte Chemie International Edition, 1997, v. 36, n. 17, p. 1871, doi. 10.1002/anie.199718711

By:

Yamada, Yoichi M. A.;
Yoshikawa, Naoki;
Sasai, Hiroaki;
Shibasaki, Masakatsu

Publication type:

Article

Asymmetric Catalysis with Heterobimetallic Compounds.

Published in:

Angewandte Chemie International Edition, 1997, v. 36, n. 12, p. 1236, doi. 10.1002/anie.199712361

By:

Shibasaki, Masakatsu;
Sasai, Hiroaki;
Arai, Takayoshi

Publication type:

Article

A New Multifunctional Heterobimetallic Asymmetric Catalyst for Michael Additions and Tandem Michael-Aldol Reactions.

Published in:

Angewandte Chemie International Edition, 1996, v. 35, n. 1, p. 104, doi. 10.1002/anie.199601041

By:

Arai, Takayoshi;
Sasai, Hiroaki;
Aoe, Kei-ichi;
Okamura, Kimio;
Date, Tadamasa;
Shibasaki, Masakatsu

Publication type:

Article

Self-Assembly of Heterobimetallic Complexes and Reactive Nucleophiles: A General Strategy for the Activation of Asymmetric Reactions Promoted by Heterobimetallic Catalysts.

Published in:

Chemistry - A European Journal, 1996, v. 2, n. 11, p. 1368, doi. 10.1002/chem.19960021107

By:

Arai, Takayoshi;
Yamada, Yoichi M. A.;
Yamamoto, Noriyoshi;
Sasai, Hiroaki;
Shibasaki, Masakatsu

Publication type:

Article

Asymmetrische Brønsted-Säure-katalysierte Substitution von Diarylmethanolen mit Thiolen und Alkoholen zur Synthese von chiralen Thioethern und Ethern.

Published in:

Angewandte Chemie, 2016, v. 128, n. 15, p. 4882, doi. 10.1002/ange.201511179

By:

Chatupheeraphat, Adisak;
Liao, Hsuan ‐ Hung;
Mader, Steffen;
Sako, Makoto;
Sasai, Hiroaki;
Atodiresei, Iuliana;
Rueping, Magnus

Publication type:

Article

Phosphine-Catalyzed β,γ-Umpolung Domino Reaction of Allenic Esters: Facile Synthesis of Tetrahydrobenzofuranones Bearing a Chiral Tetrasubstituted Stereogenic Carbon Center.

Published in:

Angewandte Chemie, 2015, v. 127, n. 51, p. 15731, doi. 10.1002/ange.201508022

By:

Takizawa, Shinobu;
Kishi, KENta;
Yoshida, Yasushi;
Mader, SteffEN;
Arteaga, Fernando Arteaga;
Lee, Shoukou;
Hoshino, Manabu;
Rueping, Magnus;
Fujita, Makoto;
Sasai, Hiroaki

Publication type:

Article

Palladium-Catalyzed Direct CH Arylation of Isoxazoles at the 5-Position.

Published in:

Angewandte Chemie, 2015, v. 127, n. 33, p. 9708, doi. 10.1002/ange.201504552

By:

Shigenobu, Masashi;
Takenaka, Kazuhiro;
Sasai, Hiroaki

Publication type:

Article

Palladium Enolate Umpolung: Cyclative Diacetoxylation of Alkynyl Cyclohexadienones Promoted by a Pd/SPRIX Catalyst.

Published in:

Angewandte Chemie, 2014, v. 126, n. 18, p. 4763, doi. 10.1002/ange.201311172

By:

Takenaka, Kazuhiro;
Mohanta, Suman C.;
Sasai, Hiroaki

Publication type:

Article

Synthetic Approach Toward Antibiotic Tunicamycins - VII Synthesis of Tunicamine and Tunicaminyl Uracil Derivative.

Published in:

Journal of Carbohydrate Chemistry, 1985, v. 4, n. 1, p. 99, doi. 10.1080/07328308508062952

By:

Sasai, Hiroaki;
Matsuno, Kazuhiro;
Suami, Tetsuo

Publication type:

Article

Carbonylation of Propargyl Carbamates with Palladium(II) Bisoxazoline Catalysts: Efficient Synthesis of 5-Methoxy-3(2 H)-furanones.

Published in:

Angewandte Chemie International Edition, 2013, v. 52, n. 30, p. 7845, doi. 10.1002/anie.201303684

By:

Kusakabe, Taichi;
Takahashi, Takeo;
Shen, Rong;
Ikeda, Ayumi;
Dhage, Yogesh Daulat;
Kanno, Yuichro;
Inouye, Yoshio;
Sasai, Hiroaki;
Mochida, Tomoyuki;
Kato, Keisuke

Publication type:

Article

Enantioselective Synthesis of α-Alkylidene-γ-Butyrolactones: Intramolecular Rauhut-Currier Reaction Promoted by Acid/Base Organocatalysts.

Published in:

Angewandte Chemie International Edition, 2012, v. 51, n. 22, p. 5423, doi. 10.1002/anie.201201542

By:

Takizawa, Shinobu;
Nguyen, Tue Minh-Nhat;
Grossmann, André;
Enders, Dieter;
Sasai, Hiroaki

Publication type:

Article

Enantioselective Synthesis of Isoindolines: An Organocatalyzed Domino Process Based On the aza-Morita-Baylis-Hillman Reaction.

Published in:

Angewandte Chemie International Edition, 2010, v. 49, n. 50, p. 9725, doi. 10.1002/anie.201004547

By:

Takizawa, Shinobu;
Inoue, Naohito;
Hirata, Shuichi;
Sasai, Hiroaki

Publication type:

Article

Regio- and Enantioselective O-Allylation of Phenol and Alcohol Catalyzed by a Planar-Chiral Cyclopentadienyl Ruthenium Complex.

Published in:

Angewandte Chemie International Edition, 2008, v. 47, n. 8, p. 1454, doi. 10.1002/anie.200704457

By:

Onitsuka, Kiyotaka;
Okuda, Haruki;
Sasai, Hiroaki

Publication type:

Article

Structural Features and Asymmetric Environment of i-Pr-SPRIX Ligand.

Published in:

Chirality, 2015, v. 27, n. 8, p. 532, doi. 10.1002/chir.22467

By:

Takenaka, Kazuhiro;
Lin, Xianjin;
Takizawa, Shinobu;
Sasai, Hiroaki

Publication type:

Article

Vanadium in Asymmetric Synthesis: Emerging Concepts in Catalyst Design and Applications.

Published in:

Chemistry - A European Journal, 2015, v. 21, n. 25, p. 8992, doi. 10.1002/chem.201406444

By:

Takizawa, Shinobu;
Sasai, Hiroaki;
Gröger, Harald

Publication type:

Article

DFT Study of a 5- endo- trig-Type Cyclization of 3-Alkenoic Acids by Using Pd-Spiro-bis(isoxazoline) as Catalyst: Importance of the Rigid Spiro Framework for Both Selectivity and Reactivity.

Published in:

Chemistry - A European Journal, 2013, v. 19, n. 29, p. 9518, doi. 10.1002/chem.201203189

By:

Gabr, Randa K.;
Hatakeyama, Takuji;
Takenaka, Kazuhiro;
Takizawa, Shinobu;
Okada, Yoshihiro;
Nakamura, Masaharu;
Sasai, Hiroaki

Publication type:

Article

Catalytic asymmetric synthesis of propranolol and metoprolol using a La-Li-BINOL complex.

Published in:

Applied Organometallic Chemistry, 1995, v. 9, n. 5/6, p. 421, doi. 10.1002/aoc.590090508

By:

Sasai, Hiroaki;
Suzuki, Takeyuki;
Itoh, Noriie;
Shibasaki, Masakatsu

Publication type:

Article

Electrochemical Synthesis of 1,1′-Binaphthalene-2,2′-Diamines via Transition-Metal-Free Oxidative Homocoupling.

Published in:

Sustainable Chemistry, 2022, v. 3, n. 4, p. 551, doi. 10.3390/suschem3040034

By:

Fan, Duona;
Khalid, Md. Imrul;
Kamble, Ganesh Tatya;
Sasai, Hiroaki;
Takizawa, Shinobu

Publication type:

Article

Metal-Bridged Polymers as Insoluble Multicomponent Asymmetric Catalysts with High Enantiocontrol: An Approach for the Immobilization of Catalysts without Using any Support ( This work was supported by a Grant-in-Aid for Scientific Research from the Ministry of Education, Culture, Sports, Science and Technology, Japan. We thank the technical staff in the Materials Analysis Center of ISIR, Osaka University. )

Published in:

Angewandte Chemie International Edition, 2003, v. 42, n. 46, p. 5711, doi. 10.1002/anie.200352354

By:

Shinobu Takizawa;
Hidenori Somei;
Doss Jayaprakash;
Hiroaki Sasai

Publication type:

Article

Catalyst Analogue: A Concept for Constructing Multicomponent Asymmetric Catalysts (MAC) by Using a Polymer Support ( This work was supported by a Grant-in-Aid for Scientific Research from the Ministry of Education, Culture, Sports, Science and Technology, Japan. We thank the technical staff in the Materials Analysis Center of ISIR, Osaka University. )

Published in:

Angewandte Chemie International Edition, 2003, v. 42, n. 19, p. 2144, doi. 10.1002/anie.200250536

By:

Takayoshi Arai;
Tetuya Sekiguti;
Kazuhiro Otsuki;
Shinobu Takizawa;
Hiroaki Sasai

Publication type:

Article

Species-Specific Glucosylation of DIMBOA in Larvae of the Rice Armyworm.

Published in:

Bioscience, Biotechnology & Biochemistry, 2009, v. 73, n. 6, p. 1333, doi. 10.1271/bbb.80903

By:

Sasai, Hiroaki;
Ishida, Masahiro;
Murakami, Kenjiro;
Tadokoro, Naoko;
Ishihara, Atsushi;
Nishida, Ritsuo;
Mori, Naoki

Publication type:

Article

Room‐Temperature, Metal‐Free, and One‐Pot Preparation of 2H‐Indazoles through a Mills Reaction and Cyclization Sequence.

Published in:

Chemistry - A European Journal, 2019, v. 25, n. 42, p. 9866, doi. 10.1002/chem.201902242

By:

Kondo, Masaru;
Takizawa, Shinobu;
Jiang, Yuzhao;
Sasai, Hiroaki

Publication type:

Article

Asymmetric Cyclizative Dimerization of (ortho‐Alkynyl Phenyl) (Methoxymethyl) Sulfides with Palladium(II) Bisoxazoline Catalyst.

Published in:

Chemistry - A European Journal, 2019, v. 25, n. 3, p. 733, doi. 10.1002/chem.201804779

By:

Peng, Cheng;
Kusakabe, Taichi;
Kikkawa, Shoko;
Mochida, Tomoyuki;
Azumaya, Isao;
Dhage, Yogesh Daulat;
Takahashi, Keisuke;
Sasai, Hiroaki;
Kato, Keisuke

Publication type:

Article

Synthesis of Allylamine Derivatives via Intermolecular Aza‐Wacker‐Type Reaction Promoted by Palladium‐SPRIX Catalyst.

Published in:

Advanced Synthesis & Catalysis, 2020, v. 362, n. 17, p. 3558, doi. 10.1002/adsc.202000644

By:

Sen, Abhijit;
Zhu, Linpeng;
Takizawa, Shinobu;
Takenaka, Kazuhiro;
Sasai, Hiroaki

Publication type:

Article

Enantioselective One‐pot Synthesis of 3‐Azabicyclo[3.1.0]hexanes via Allylic Substitution and Oxidative Cyclization.

Published in:

Advanced Synthesis & Catalysis, 2020, v. 362, n. 7, p. 1537, doi. 10.1002/adsc.202000044

By:

Chaki, Bijan Mohon;
Takenaka, Kazuhiro;
Zhu, Linpeng;
Tsujihara, Tetsuya;
Takizawa, Shinobu;
Sasai, Hiroaki

Publication type:

Article

Chlorinative Cyclization of 1,6-Enynes by Enantioselective Palladium(II)/Palladium(IV) Catalysis.

Published in:

Advanced Synthesis & Catalysis, 2011, v. 353, n. 7, p. 1067, doi. 10.1002/adsc.201000926

By:

Takenaka, Kazuhiro;
Hashimoto, Shintaro;
Takizawa, Shinobu;
Sasai, Hiroaki

Publication type:

Article

Recent developments on chiral ionic liquids: Design, synthesis, and applications.

Published in:

Chemical Record, 2008, v. 8, n. 2, p. 98, doi. 10.1002/tcr.20143

By:

Patil, Mahesh L.;
Sasai, Hiroaki

Publication type:

Article

Electrochemical synthesis of heterodehydro[7]helicenes.

Published in:

Communications Chemistry, 2022, p. 1, doi. 10.1038/s42004-022-00780-7

By:

Khalid, Md. Imrul;
Salem, Mohamed S. H.;
Sako, Makoto;
Kondo, Masaru;
Sasai, Hiroaki;
Takizawa, Shinobu

Publication type:

Article

Bayesian optimization-driven parallel-screening of multiple parameters for the flow synthesis of biaryl compounds.

Published in:

Communications Chemistry, 2022, v. 5, n. 1, p. 1, doi. 10.1038/s42004-022-00764-7

By:

Kondo, Masaru;
Wathsala, H. D. P.;
Salem, Mohamed S. H.;
Ishikawa, Kazunori;
Hara, Satoshi;
Takaai, Takayuki;
Washio, Takashi;
Sasai, Hiroaki;
Takizawa, Shinobu

Publication type:

Article

Short Syntheses of 4-Deoxycarbazomycin B, Sorazolon E, and (+)-Sorazolon E2.

Published in:

Chemistry - An Asian Journal, 2017, v. 12, n. 12, p. 1305, doi. 10.1002/asia.201700471

By:

Sako, Makoto;
Ichinose, Kazuya;
Takizawa, Shinobu;
Sasai, Hiroaki

Publication type:

Article

Enantioselective Aldol-Type Reaction Using Diketene.

Published in:

Synthetic Communications, 2004, v. 34, n. 24, p. 4487, doi. 10.1081/SCC-200043192

By:

Kawase, Takahiro;
Takizawa, Shinobu;
Jayaprakash, Doss;
Sasai, Hiroaki

Publication type:

Article