List of works - Shinobu Takizawa

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

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

scientific article published on 18 July 2011

A dendrimer-supported heterobimetallic asymmetric catalyst

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

Aerobic deprotection of monothioacetals catalyzed by trichlorooxyvanadium

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

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

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

scientific article published on 27 July 2015

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

scientific article published on 16 February 2018

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

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

article

Bifunctional Organocatalysts for Enantioselective aza-Morita-Baylis-Hillman (aza-MBH) Reactions

Bifunctional Organocatalysts for Enantioselective aza-Morita−Baylis−Hillman Reaction

scientific article published on 01 March 2005

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

scientific article published on 01 August 2014

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

scientific article published on 31 July 2020

Chiral Dinuclear Vanadium Complex-Mediated Oxidative Coupling of Resorcinols

scientific article published on 13 December 2018

Chiral Organocatalyzed Intermolecular Rauhut–Currier Reaction of Nitroalkenes with Ethyl Allenoate

scientific article published on 01 January 2017

Chiral Vanadium Complex-catalyzed Enantioselective Oxidative Coupling Reactions

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

article published in 2013

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

scientific article published on 14 February 2008

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

scholarly article by Kazuhiro Takenaka et al published 3 May 2011 in Advanced Synthesis & Catalysis

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

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

scientific article published on 01 July 2016

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

scientific article published on 7 June 2013

Design and Synthesis of Novel Chiral Spiro Ionic Liquids

scientific article published on 01 January 2006

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

article published in 2012

Determination of the absolute configuration of compounds bearing chiral quaternary carbon centers using the crystalline sponge method

scientific article published on 16 May 2017

Development of Chiral Spiro Ligands for Metal-Catalyzed Asymmetric Reactions

article

Development of Novel Immobilization Methods for Multicomponent Asymmetric Catalyst (MAC)

article

Development of a novel chiral spiro ligand bearing oxazoline

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

scientific article published in October 2009

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

scientific article

Development of efficient methods for the immobilisation of multicomponent asymmetric catalysts

article

Development of new methods toward efficient immobilization of chiral catalysts

Dicationic Palladium(II)-Spiro bis(isoxazoline) Complex for Highly Enantioselective Isotactic Copolymerization of CO with Styrene Derivatives

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

scientific article published on 17 July 2008

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

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

Efficient Enantioselective Synthesis of Oxahelicenes Using Redox/Acid Cooperative Catalysts

scientific article published on 06 September 2016

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

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

scientific article

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

Enantioselective Acid-Base Organocatalyzed Domino Reactions Based on aza-Morita-Baylis-Hillman Process

Enantioselective Aldol‐Type Reaction Using Diketene

Enantioselective Cyclization of 4-Alkenoic Acids via an Oxidative Allylic C–H Esterification

scientific article published on 09 June 2011

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

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

article by Shinobu Takizawa et al published 16 January 2014 in Asian journal of organic chemistry

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

scientific article published on 01 December 2010

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

scientific article published on 18 April 2012

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

scientific article published in August 2010

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

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

article published in 2007

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

scientific article published in December 2009

Enantioselective organocatalytic oxidation of ketimine

scientific article published on 01 January 2016

Enantioselective oxidative-coupling of polycyclic phenols

article published in 2014

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

scientific article published on 01 June 2017

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

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

scientific article published on 04 August 2014

Facile Synthesis of Spirooxindoles via an Enantioselective Organocatalyzed Sequential Reaction of Oxindoles with Ynone

Facile and Clean Oxidation of Alcohols in Water Using Hypervalent Iodine(III) Reagents

scientific article published on 01 April 2000

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

Fragmentation of tertiary cyclopropanol compounds catalyzed by vanadyl acetylacetonate

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

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

scientific article published on 01 May 1999

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

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

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

scientific article published in December 2003

Micelle-derived polymer supports for enantioselective catalysts

Monolayer-Protected Au Cluster (MPC)-Supported Ti−BINOLate Complex

scientific article published on 01 November 2003

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

scientific article published on 01 July 2017

Novel Catalytic Asymmetric Sulfoxidation in Water Using the Hypervalent Iodine Reagent Iodoxybenzene

scientific article published on 01 March 2000

One-Pot Preparation of Chiral Dinuclear Vanadium(V) Complex

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

Organocatalyzed Formal [2 + 2] Cycloaddition of Ketimines with Allenoates: Facile Access to Azetidines with a Chiral Tetrasubstituted Carbon Stereogenic Center

scientific article published on 08 August 2013

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

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

scientific article published on 01 September 2013

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

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

scientific article published on 01 September 2013

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

scientific article published on 22 October 2010

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

scientific article published on 01 May 2015

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

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

scientific article published on 5 November 2015

Polymer-Supported BisBINOL Ligands for the Immobilization of Multicomponent Asymmetric Catalysts

scientific article published on 01 July 2003

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

scientific article published on 11 July 2017

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

scientific article published on 01 July 2019

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

scientific article published on 18 April 2017

Spiro Crown Ethers Bearing (S)-1,1’-Spirobiindanes as Chiral Backbones

Structural Features and Asymmetric Environment ofi-Pr-SPRIX Ligand

scientific article published on 12 June 2015

Synthesis of novel spiro imidazolium salts as chiral ionic liquids

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

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

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

scientific article

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

scientific article published on 25 March 2015

Vanadium-Catalyzed Dehydrogenation of N-Heterocycles in Water

scientific article published on 01 August 2018

Vanadium-catalyzed enantioselective Friedel–Crafts-type reactions

scientific article published on 01 September 2013

o-(Hydroxyalkyl)phenyl P-Chirogenic Phosphines as Functional Chiral Lewis Bases

scientific article published on 11 April 2013

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

scholarly article by Masayuki Kirihara et al published April 1997 in Tetrahedron Letters

“Catalyst Analogue”: A Concept for Constructing Multicomponent Asymmetric Catalysts (MAC) by Using a Polymer Support

scientific article published on 01 May 2003

List of works by Shinobu Takizawa

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

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

A dendrimer-supported heterobimetallic asymmetric catalyst

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

Aerobic deprotection of monothioacetals catalyzed by trichlorooxyvanadium

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

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

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

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

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

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

Bifunctional Organocatalysts for Enantioselective aza-Morita-Baylis-Hillman (aza-MBH) Reactions

Bifunctional Organocatalysts for Enantioselective aza-Morita−Baylis−Hillman Reaction

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

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

Chiral Dinuclear Vanadium Complex-Mediated Oxidative Coupling of Resorcinols

Chiral Organocatalyzed Intermolecular Rauhut–Currier Reaction of Nitroalkenes with Ethyl Allenoate

Chiral Vanadium Complex-catalyzed Enantioselective Oxidative Coupling Reactions

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

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

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

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

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

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

Design and Synthesis of Novel Chiral Spiro Ionic Liquids

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

Determination of the absolute configuration of compounds bearing chiral quaternary carbon centers using the crystalline sponge method

Development of Chiral Spiro Ligands for Metal-Catalyzed Asymmetric Reactions

Development of Novel Immobilization Methods for Multicomponent Asymmetric Catalyst (MAC)

Development of a novel chiral spiro ligand bearing oxazoline

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

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

Development of efficient methods for the immobilisation of multicomponent asymmetric catalysts

Development of new methods toward efficient immobilization of chiral catalysts

Dicationic Palladium(II)-Spiro bis(isoxazoline) Complex for Highly Enantioselective Isotactic Copolymerization of CO with Styrene Derivatives

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

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

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

Efficient Enantioselective Synthesis of Oxahelicenes Using Redox/Acid Cooperative Catalysts

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

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

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

Enantioselective Acid-Base Organocatalyzed Domino Reactions Based on aza-Morita-Baylis-Hillman Process

Enantioselective Aldol‐Type Reaction Using Diketene

Enantioselective Cyclization of 4-Alkenoic Acids via an Oxidative Allylic C–H Esterification

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

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

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

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

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

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

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

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

Enantioselective organocatalytic oxidation of ketimine

Enantioselective oxidative-coupling of polycyclic phenols

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

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

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

Facile Synthesis of Spirooxindoles via an Enantioselective Organocatalyzed Sequential Reaction of Oxindoles with Ynone

Facile and Clean Oxidation of Alcohols in Water Using Hypervalent Iodine(III) Reagents

Facile and Clean Oxidation of Alcohols in Water Using Hypervalent Iodine(III) Reagents

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

Fragmentation of tertiary cyclopropanol compounds catalyzed by vanadyl acetylacetonate

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

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

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

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

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

Micelle-derived polymer supports for enantioselective catalysts

Monolayer-Protected Au Cluster (MPC)-Supported Ti−BINOLate Complex

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

Novel Catalytic Asymmetric Sulfoxidation in Water Using the Hypervalent Iodine Reagent Iodoxybenzene

One-Pot Preparation of Chiral Dinuclear Vanadium(V) Complex

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

Organocatalyzed Formal [2 + 2] Cycloaddition of Ketimines with Allenoates: Facile Access to Azetidines with a Chiral Tetrasubstituted Carbon Stereogenic Center

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

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

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

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