S. Takizawa

发表

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

S. Takizawa, Fernando Arteaga Arteaga, Y. Yoshida, 2014 .

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

M. Fujita, Shoukou Lee, M. Rueping, 2015, Angewandte Chemie.

Exploration of flow reaction conditions using machine-learning for enantioselective organocatalyzed Rauhut-Currier and [3+2] annulation sequence.

S. Takizawa, H. Sasai, Masaru Kondo, 2020, Chemical communications.

Vanadium in asymmetric synthesis: emerging concepts in catalyst design and applications.

H. Gröger, S. Takizawa, H. Sasai, 2015, Chemistry.

[Development of acid-base organocatalysts for enantioselective aza-Morita-Baylis-Hillman (aza-MBH) reactions via dual activation mechanism].

S. Takizawa, 2009, Yakugaku zasshi : Journal of the Pharmaceutical Society of Japan.

Immobilization of Multicomponent Asymmetric Catalysts (MACs)

S. Takizawa, H. Sasai, 2011 .

Development of efficient methods for the immobilisation of multicomponent asymmetric catalysts

T. Arai, S. Takizawa, H. Sasai, 2006 .

Polymer-supported bisBINOL ligands for the immobilization of multicomponent asymmetric catalysts.

T. Arai, S. Takizawa, H. Sasai, 2003, Organic letters.

Synthesis of novel spiro imidazolium salts as chiral ionic liquids

M. L. Patil, K. Onitsuka, S. Takizawa, 2007 .

Design and synthesis of novel chiral spiro ionic liquids.

M. L. Patil, K. Onitsuka, S. Takizawa, 2006, Organic letters.

Design and synthesis of spiro bis(1,2,3-triazolium) salts as chiral ionic liquids

S. Takizawa, Y. Yoshida, H. Sasai, 2012 .

Synthesis of spiro bis(1,2,3-triazolium) salts as chiral ionic liquids

S. Takizawa, Y. Yoshida, H. Sasai, 2011 .

Facile regio- and stereoselective metal-free synthesis of all-carbon tetrasubstituted alkenes bearing a C(sp3)-F unit via dehydroxyfluorination of Morita-Baylis-Hillman (MBH) adducts.

S. Takizawa, Fernando Arteaga Arteaga, H. Sasai, 2014, Organic letters.

Development of a novel chiral spiro ligand bearing oxazoline

S. Takizawa, H. Sasai, Takahiro Kato, 2004 .

Vanadium-Catalyzed Dehydrogenation of N-Heterocycles in Water.

H. Gröger, S. Takizawa, H. Sasai, 2018, Organic letters.

NOVEL ONE-POT PREPARATION OF 5-METHOXYLATED INDOLINE AND INDOLE DERIVATIVES USING A HYPERVALENT IODINE(III) REAGENT

Y. Kita, S. Takizawa, T. Maegawa, 1999 .

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

Tomoyuki Sato, M. Ishibashi, M. Arai, 2021, Advanced Synthesis & Catalysis.

Atroposelective Synthesis of C-C Axially Chiral Compounds via Mono- and Dinuclear Vanadium Catalysis.

S. Takizawa, H. Sasai, Ankit Kumar, 2022, Accounts of chemical research.

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

M. Rueping, S. Takizawa, H. Sasai, 2021, Organic Chemistry Frontiers.

Pd(II)-catalyzed diastereoselective and enantioselective domino cyclization/cycloaddition reactions of alkenyl oximes for polycyclic heterocycles with four chiral stereogenic centers

S. Takizawa, H. Sasai, M. Abozeid, 2015 .

Development of new methods toward efficient immobilization of chiral catalysts

M. L. Patil, S. Takizawa, H. Sasai, 2007 .

Micelle-derived polymer supports for enantioselective catalysts

M. L. Patil, T. Kawai, Hiroyuki Tanaka, 2005 .

Pd-catalyzed 5-endo-trig-type cyclization of β,γ-unsaturated carbonyl compounds: an efficient ring closing reaction to give γ-butenolides and 3-pyrrolin-2-ones.

G. B. Bajracharya, S. Takizawa, H. Sasai, 2010, Chemical communications.

A dendrimer-supported heterobimetallic asymmetric catalyst

T. Arai, S. Takizawa, H. Sasai, 2002 .

Multifunctional catalysis: stereoselective construction of α-methylidene-γ-lactams via an amidation/Rauhut-Currier sequence.

S. Takizawa, Fernando Arteaga Arteaga, H. Sasai, 2017, Chemical communications.

Development of chiral spiro ligands for metal-catalyzed asymmetric reactions

M. Arai, G. B. Bajracharya, S. Takizawa, 2009 .

Enantioselective glyoxylate-ene reaction using a novel spiro bis(isoxazoline) ligand in copper catalysis

M. Arai, G. B. Bajracharya, S. Takizawa, 2007 .

Optical resolution of tetra isopropyl-substituted spiro bis(isoxazoline)i-Pr-SPRIX

K. Onitsuka, S. Takizawa, H. Sasai, 2007 .

Development of a Novel Chiral Spiro Ligand Bearing Oxazoline.

S. Takizawa, H. Sasai, Takahiro Kato, 2005 .

Synthesis of novel chiral spiro bis(pyrazole) ligands

M. Arai, S. Takizawa, H. Sasai, 2003 .

Enantioselective synthesis of α-methylene-γ-butyrolactones using chiral Pd(II)-SPRIX catalyst

M. Arai, T. Arai, S. Takizawa, 2003 .

An enantioselective organocatalyzed aza-Morita-Baylis-Hillman reaction of isatin-derived ketimines with acrolein.

S. Takizawa, Y. Yoshida, H. Sasai, 2015, Organic & biomolecular chemistry.

Pd-catalyzed enantioselective intramolecular α-arylation of α-substituted cyclic ketones: facile synthesis of functionalized chiral spirobicycles.

S. Takizawa, H. Sasai, Lulu Fan, 2015, Organic & biomolecular chemistry.

Chiral bifunctional organocatalysts bearing a 1,3-propanediamine unit for the aza-MBH reaction

S. Takizawa, Fernando Arteaga Arteaga, Y. Yoshida, 2013 .

P-chirogenic organocatalysts: application to the aza-Morita-Baylis-Hillman (aza-MBH) reaction of ketimines.

V. Sridharan, S. Takizawa, Fernando Arteaga Arteaga, 2013, Chemical communications.

o-(Hydroxyalkyl)phenyl P-chirogenic phosphines as functional chiral Lewis bases.

S. Takizawa, H. Sasai, Yoann Rousselin, 2013, Organic letters.

Facile synthesis of α-methylidene-γ-butyrolactones: intramolecular Rauhut–Currier reaction promoted by chiral acid–base organocatalysts

D. Enders, S. Takizawa, Michitaka Suzuki, 2013 .

Enantioselective synthesis of α-alkylidene-γ-butyrolactones: intramolecular Rauhut-Currier reaction promoted by acid/base organocatalysts.

D. Enders, S. Takizawa, H. Sasai, 2012, Angewandte Chemie.

6.9 C–C Bond Formation: (aza) Morita–Baylis–Hillman Reaction

S. Takizawa, H. Sasai, 2012 .

A bifunctional spiro-type organocatalyst with high enantiocontrol: application to the aza-Morita-Baylis-Hillman reactions.

S. Takizawa, H. Sasai, Kimiko Kiriyama, 2011, Chemical communications.

An enantioselective organocatalyzed aza-MBH domino process: application to the facile synthesis of tetrahydropyridines

S. Takizawa, H. Sasai, N. Inoue, 2011 .

Enantioselective synthesis of isoindolines: an organocatalyzed domino process based On the aza-Morita-Baylis-Hillman reaction.

S. Takizawa, H. Sasai, S. Hirata, 2010, Angewandte Chemie.

A Brønsted Acid and Lewis Base Organocatalyst for the Aza-Morita-Baylis-Hillman Reaction

S. Takizawa, H. Sasai, Katsuya Matsui, 2006 .

Conformational lock in a Brønsted acid–Lewis base organocatalyst for the aza-Morita–Baylis–Hillman reaction

S. Takizawa, H. Sasai, Kouichi Tanaka, 2006 .

Bifunctional Organocatalysts for Enantioselective aza-Morita—Baylis—Hillman Reaction.

S. Takizawa, H. Sasai, Katsuya Matsui, 2005 .

Bicyclo[3.3.1]nonanes as Synthetic Intermediates. XXIII.1 A Breakthrough by Lanthanoid Mediation in Nucleophilic Addition of Carbanions to the Inert “Fork Head” Carbonyl in Bicyclo[3.3.1]nonan-3-ones

S. Takizawa, T. Momose, M. Kirihara, 1997 .

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

S. Takizawa, H. Sasai, M. S. Salem, 2022, Molecules.

Enantioselective synthesis of tetrahydrocyclopenta[b]indole bearing a chiral quaternary carbon center via Pd(ii)-SPRIX-catalyzed C-H activation.

M. Fujita, S. Takizawa, H. Sasai, 2017, Chemical communications.

Enantioselective cyclization of 4-alkenoic acids via an oxidative allylic C-H esterification.

S. Takizawa, H. Sasai, K. Takenaka, 2011, Organic letters.

Efficient oxidative biaryl coupling reaction of phenol ether derivatives using hypervalent iodine(III) reagents

Y. Kita, M. Arisawa, S. Takizawa, 2001 .

Indium-Mediated Reaction of 3-Bromo-3,3-difluoropropene and Bromodifluoromethylacetylene Derivatives with Aldehydes

S. Takizawa, H. Nemoto, T. Takuwa, 2000 .

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

S. Takizawa, H. Sasai, G. Kamble, 2022, Sustainable Chemistry.

Chiral Dinuclear Vanadium Complex-Mediated Oxidative Coupling of Resorcinols.

H. Gröger, S. Takizawa, H. Sasai, 2018, The Journal of organic chemistry.

Efficient Enantioselective Synthesis of Oxahelicenes Using Redox/Acid Cooperative Catalysts.

Shinobu Takizawa, Hiroaki Sasai, S. Takizawa, 2016, Journal of the American Chemical Society.

Copper-catalyzed divergent oxidative pathways of 2-naphthol derivatives: ortho-naphthoquinones versus 2-BINOLs.

H. Y. Kim, K. Oh, S. Takizawa, 2016, Organic & biomolecular chemistry.

Enantioselective oxidative-coupling of polycyclic phenols

D. Enders, S. Takizawa, Y. Yoshida, 2014 .

Dinuclear chiral vanadium catalysts for oxidative coupling of 2-naphthols via a dual activation mechanism.

S. Takizawa, H. Sasai, Tomomi Katayama, 2008, Chemical communications.

Hypervalent iodine(III) oxidation catalyzed by quaternary ammonium salt in micellar systems

Y. Kita, S. Takizawa, Hiroaki Watanabe, 1998 .

Enantioselective Wacker-type cyclization of 2-alkenyl-1,3-diketones promoted by Pd-SPRIX catalyst.

M. L. Patil, S. Takizawa, H. Sasai, 2010, Organic letters.

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

S. Takizawa, H. Sasai, K. Takenaka, 2020 .

Enantioselective intramolecular oxidative aminocarbonylation of alkenylureas catalyzed by palladium-spiro bis(isoxazoline) complexes.

K. Onitsuka, S. Takizawa, H. Sasai, 2009, The Journal of organic chemistry.

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.

T. Hatakeyama, S. Takizawa, H. Sasai, 2013, Chemistry.

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

S. Takizawa, H. Sasai, K. Takenaka, 2011 .

Room-Temperature, Metal-Free and One-Pot Preparation of 2H-Indazoles via Mills Reaction and Cyclization Sequence Masaru Kondo,* Shinobu Takizawa, Yuzhao Jiang, Hiroaki Sasai.

S. Takizawa, H. Sasai, Masaru Kondo, 2019, Chemistry.

Reversal of Enantioselectivity Approach to BINOLs via Single and Dual 2-Naphthol Activation Modes.

K. Oh, S. Takizawa, H. Sasai, 2017, Organic letters.

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

S. Takizawa, H. Sasai, M. Sako, 2017, Chemistry, an Asian journal.

Development of dinuclear vanadium catalysts for enantioselective coupling of 2-naphthols via a dual activation mechanism.

S. Takizawa, 2009, Chemical & pharmaceutical bulletin.

Dual activation in oxidative coupling of 2-naphthols catalyzed by chiral dinuclear vanadium complexes

Masafumi Mikami, H. Yamataka, K. Onitsuka, 2008 .

Chiral dinuclear vanadium(v) catalysts for oxidative coupling of 2-naphthols.

T. Yanagida, T. Kawai, K. Onitsuka, 2008, Chemical communications.

Dual activation in a homolytic coupling reaction promoted by an enantioselective dinuclear vanadium(IV) catalyst

H. Yamataka, S. Takizawa, H. Sasai, 2004 .

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

S. Takizawa, H. Sasai, M. S. Salem, 2023, Tetrahedron.

Azopyridine-based chiral oxazolines with rare-earth metals for photoswitchable catalysis.

S. Takizawa, H. Sasai, Masaru Kondo, 2021, Chemical communications.

Pd(II)-SDP-catalyzed enantioselective 5-exo-dig cyclization of γ-alkynoic acids: application to the synthesis of functionalized dihydofuran-2(3H)-ones containing a chiral quaternary carbon center.

V. Sridharan, S. Takizawa, H. Sasai, 2013, Organic & biomolecular chemistry.

Metal‐Catalyzed Enantio‐ and Diastereoselective C–C Bond‐Forming Reactions in Domino Processes

S. Takizawa, H. Sasai, 2013 .

Bifunctional organocatalysts for enantioselective aza-Morita-Baylis-Hillman reaction.

S. Takizawa, H. Sasai, Katsuya Matsui, 2005, Journal of the American Chemical Society.

Organocatalyzed [4+2] Annulation of All-Carbon Tetrasubstituted Alkenes with Allenoates: Synthesis of Highly Functionalized 2H- and 4H-Pyran Derivatives.

J. Baltaze, R. Guillot, S. Takizawa, 2016 .

Vanadium-catalyzed enantioselective Friedel-Crafts-type reactions.

S. Takizawa, Y. Yoshida, H. Sasai, 2013, Dalton transactions.

Aerobic oxidation of α-hydroxycarbonyls catalysed by trichlorooxyvanadium: efficient synthesis of α-dicarbonyl compounds

S. Takizawa, Yuta Ochiai, H. Nemoto, 1999 .

C3-Symmetric chiral trisimidazoline-catalyzed Friedel-Crafts (FC)-type reaction.

S. Takizawa, H. Sasai, S. Hirata, 2014, Organic & biomolecular chemistry.

Acid–base organocatalysts for the aza-Morita–Baylis–Hillman reaction of nitroalkenes

S. Takizawa, H. Sasai, A. Horii, 2010 .

Enantioselective Morita–Baylis–Hillman (MBH) reaction promoted by a heterobimetallic complex with a Lewis base

S. Takizawa, H. Sasai, Katsuya Matsui, 2005 .

Organocatalytic Synthesis of Highly Functionalized Heterocycles by Enantioselective aza-Morita-Baylis-Hillman-Type Domino Reactions.

S. Takizawa, 2020, Chemical & pharmaceutical bulletin.

Enantio- and Diastereoselective Betti/aza-Michael Sequence: Single Operated Preparation of Chiral 1,3-Disubstituted Isoindolines.

S. Takizawa, H. Sasai, Kenta Kishi, 2017, Organic letters.

Enantioselective 6-endo-trig Wacker-type cyclization of 2-geranylphenols: application to a facile synthesis of (−)-cordiachromene

M. L. Patil, S. Takizawa, H. Sasai, 2010 .

Organocatalyzed formal [2 + 2] cycloaddition of ketimines with allenoates: facile access to azetidines with a chiral tetrasubstituted carbon stereogenic center.

S. Takizawa, Fernando Arteaga Arteaga, Y. Yoshida, 2013, Organic letters.

Total synthesis of chloropeptin II (complestatin) and chloropeptin I.

D. Boger, S. Takizawa, Joie Garfunkle, 2009, Journal of the American Chemical Society.

Enantioselective Aldol‐Type Reaction Using Diketene

S. Takizawa, H. Sasai, D. Jayaprakash, 2004 .

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

S. Takizawa, H. Sasai, K. Takenaka, 2020, Advanced Synthesis & Catalysis.

Fragmentation of tertiary cyclopropanol compounds catalyzed by vanadyl acetylacetonate

M. Shiro, S. Takizawa, Yuta Ochiai, 2005 .

Tertiary cyclopropanol systems as synthetic intermediates: novel ring-cleavage of tertiary cyclopropanol systems using vanadyl acetylacetonate

S. Takizawa, T. Momose, M. Kirihara, 1998 .

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

S. Takizawa, H. Sasai, Masaru Kondo, 2021, Green Chemistry.

Novel catalytic asymmetric sulfoxidation in water using the hypervalent iodine reagent iodoxybenzene.

Y. Kita, S. Takizawa, T. Maegawa, 2000, Chemical & pharmaceutical bulletin.

Hypervalent Iodine(V)-Induced Asymmetric Oxidation of Sulfides to Sulfoxides Mediated by Reversed Micelles: Novel Nonmetallic Catalytic System.

Y. Kita, S. Takizawa, Yuko Fukuoka, 1999, The Journal of organic chemistry.

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

S. Takizawa, M. S. Salem, 2022, Frontiers in Chemistry.

Photoswitchable Chiral Phase Transfer Catalyst

Tsukasa Abe, S. Takizawa, H. Sasai, 2021 .

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

S. Takizawa, H. Sasai, K. Takenaka, 2015, Chirality.

Chiral vanadium complex-catalyzed oxidative coupling of arenols

S. Takizawa, H. Sasai, M. Sako, 2020 .

Enantioselective and aerobic oxidative coupling of 2-naphthol derivatives using chiral dinuclear vanadium(V) complex in water

S. Takizawa, Y. Yoshida, H. Sasai, 2015 .

One-Pot Preparation of ChiralDinuclear Vanadium(V) Complex

S. Takizawa, H. Sasai, Tomomi Katayama, 2009 .

Dual Activation in a Homolytic Coupling Reaction Promoted by an Enantioselective Dinuclear Vanadium(IV) Catalyst.

H. Yamataka, S. Takizawa, H. Sasai, 2004 .

Asymmetric oxidative coupling of hydroxycarbazoles: Facile synthesis of (+)-bi-2-hydroxy-3-methylcarbazole.

S. Takizawa, M. Sako, Akimasa Sugizaki, 2018, Bioorganic & medicinal chemistry letters.

Development of Dinuclear Vanadium Catalysts for Enantioselective Coupling of 2‐Naphthols via a Dual Activation Mechanism

S. Takizawa, 2010 .

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

S. Akai, Y. Uetake, S. Takizawa, 2021, RSC advances.

Vanadium(V) Complex-Catalyzed One-Pot Synthesis of Phenanthridines via a Pictet-Spengler-Dehydrogenative Aromatization Sequence

S. Takizawa, H. Sasai, G. Vo‐Thanh, 2020, Catalysts.

Catalytic and enantioselective oxa-Piancatelli reaction using a chiral vanadium complex.

H. Gröger, S. Takizawa, H. Sasai, 2020, Chemical communications.

酸-塩基型不斉有機分子触媒を用いるエナンチオ選択的aza-森田-Baylis-Hillman型ドミノ反応の開発

S. Takizawa, H. Sasai, 2014 .

Chiral Dinuclear Vanadium(V) Catalysts for Oxidative Coupling of 2‐Naphthols.

T. Yanagida, T. Kawai, K. Onitsuka, 2008 .

Metal-bridged polymers as insoluble multicomponent asymmetric catalysts with high enantiocontrol: an approach for the immobilization of catalysts without using any support.

S. Takizawa, H. Sasai, H. Somei, 2003, Angewandte Chemie.

"Catalyst analogue": a concept for constructing multicomponent asymmetric catalysts (MAC) by using a polymer support.

T. Arai, S. Takizawa, H. Sasai, 2003, Angewandte Chemie.

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

S. Takizawa, H. Sasai, Masaru Kondo, 2022, Communications Chemistry.

α,α-difluoroallyl carbanion: Indium-mediation in its facile coupling with aldehydes

S. Takizawa, T. Takuwa, T. Momose, 1997 .

Asymmetric synthesis of chiral spiro bis(isoxazoline) and spiro (isoxazole–isoxazoline) ligands

S. Takizawa, H. Sasai, K. Takenaka, 2010 .

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

M. Atobe, S. Takizawa, Naoki Shida, 2022, Chemical communications.

Electrochemical synthesis of heterodehydro[7]helicenes

S. Takizawa, H. Sasai, Masaru Kondo, 2022, Communications Chemistry.

Enantioselective organocatalytic oxidation of ketimine.

S. Takizawa, H. Sasai, Kenta Kishi, 2016, Organic & biomolecular chemistry.

Aerobic deprotection of monothioacetals catalyzed by trichlorooxyvanadium

S. Takizawa, Yuta Ochiai, H. Nemoto, 1999 .

Highly chemoselective, oxyvanadium-catalysed cleavage of α-hydroxy ketones

S. Takizawa, T. Momose, M. Kirihara, 1998 .

Metal-bridged polymers as insoluble multicomponent asymmetric catalysts with high enantiocontrol: an approach for the immobilization of catalysts without using any support.

S. Takizawa, H. Sasai, H. Somei, 2003, Angewandte Chemie.

Photoswitchable Chiral Organocatalysts: Photocontrol of Enantioselective Reactions

S. Takizawa, H. Sasai, Masaru Kondo, 2023, Chemical record.

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

S. Takizawa, H. Sasai, A. Sabri, 2023, Molecules.

Phosphine-Catalyzed Dual Umpolung Domino Michael Reaction: Facile Synthesis of Hydroindole- and Hydrobenzofuran-2-Carboxylates

S. Takizawa, H. Sasai, Kenta Kishi, 2018 .

Application of an Electrochemical Microflow Reactor for Cyanosilylation: Machine Learning-Assisted Exploration of Suitable Reaction Conditions for Semi-Large-Scale Synthesis.

S. Suga, S. Takizawa, H. Sasai, 2021, The Journal of organic chemistry.

Monolayer-protected Au cluster (MPC)-supported Ti-BINOLate complex.