Search filters

List of works by Azusa Kondoh

1-Alkynylphosphines and their derivatives as key starting materials in creating new phosphines.

scientific article published on March 2010

Brønsted Base Catalyzed [2,3]-Wittig/Phospha-Brook Tandem Rearrangement Sequence

scientific article published on 27 August 2013

Brønsted Base-Catalyzed Reductive Cyclization of Alkynyl α-Iminoesters through Auto-Tandem Catalysis

scientific article published on 15 August 2018

Brønsted Base-Catalyzed Transformation of α,β-Epoxyketones Utilizing [1,2]-Phospha-Brook Rearrangement for the Synthesis of Allylic Alcohols Having a Tetrasubstituted Alkene Moiety

scientific article published on 17 June 2020

Brønsted Base-Catalyzed Umpolung Intramolecular Cyclization of Alkynyl Imines

scientific article published on 17 January 2018

Brønsted base-catalyzed three-component coupling reaction of α-ketoesters, imines, and diethyl phosphite utilizing [1,2]-phospha-Brook rearrangement

scientific article published in 2016

Carbocupration of 1-alkynylphosphines followed by trapping with electrophiles

scientific article published on 17 April 2007

Catalysis-Based and Protecting-Group-Free Total Syntheses of the Marine Oxylipins Hybridalactone and the Ecklonialactones A, B, and C

scientific article published on 31 August 2011

Chiral Brønsted acid-catalyzed enantioselective Friedel-Crafts reaction of 2-methoxyfuran with aliphatic ketimines generated in situ.

scientific article published on 30 October 2015

Chiral Brønsted acid-catalyzed intramolecular S2' reaction for enantioselective construction of a quaternary stereogenic center

scientific article published on 14 July 2018

Construction of Vicinal Quaternary Stereogenic Centers by Enantioselective Direct Mannich-Type Reaction Using a Chiral Bis(guanidino)iminophosphorane Catalyst

scientific article published on 8 March 2016

Copper-catalyzed anti-hydrophosphination reaction of 1-alkynylphosphines with diphenylphosphine providing (Z)-1,2-diphosphino-1-alkenes.

scientific article published on 14 March 2007

Development of Chiral Organosuperbase Catalysts Consisting of Two Different Organobase Functionalities

scientific article published on 14 February 2020

Development of Chiral Ureates as Chiral Strong Brønsted Base Catalysts

scientific article published on 14 February 2020

Efficient Synthesis of Polysubstituted Pyrroles Based on [3+2] Cycloaddition Strategy Utilizing [1,2]-Phospha-Brook Rearrangement under Brønsted Base Catalysis

scientific article published on 5 October 2018

Enantioconvergent Nucleophilic Substitution Reaction of Racemic Alkyne-Dicobalt Complex (Nicholas Reaction) Catalyzed by Chiral Brønsted Acid.

scientific article published on 4 August 2016

Enantioselective Addition of a 2-Alkoxycarbonyl-1,3-dithiane to Imines Catalyzed by a Bis(guanidino)iminophosphorane Organosuperbase

scientific article published on 20 October 2015

Enantioselective Formal [3+2] Cycloaddition of Epoxides with Imines under Brønsted Base Catalysis: Synthesis of 1,3-Oxazolidines with Quaternary Stereogenic Center.

scientific article published on 12 April 2018

Enantioselective direct Mannich-type reactions of 2-benzylpyridine N-oxides catalyzed by chiral bis(guanidino)iminophosphorane organosuperbase.

scientific article

Enantioselective hydrophosphinylation of 1-alkenylphosphine oxides catalyzed by chiral strong Brønsted base

scientific article published on 24 September 2020

Enantioselective intramolecular cyclization of alkynyl esters catalyzed by a chiral Brønsted base.

scientific article published in April 2016

Generation and Application of Homoenolate Equivalents Utilizing [1,2]-Phospha-Brook Rearrangement under Brønsted Base Catalysis.

scientific article

Increasing the structural span of alkyne metathesis

scientific article published on 3 September 2013

Intermolecular Radical Addition of Alkylthio- and Arylthiodiphenylphosphines to Terminal Alkynes

scientific article published in March 2008

Intramolecular Cyclization of Alkynyl α-Ketoanilide Utilizing [1,2]-Phospha-Brook Rearrangement Catalyzed by Phosphazene Base

scientific article published on 23 June 2014

Intramolecular addition of benzyl anion to alkyne utilizing [1,2]-phospha-Brook rearrangement under Brønsted base catalysis.

scientific article

Kinetic resolution of racemic amino alcohols through intermolecular acetalization catalyzed by a chiral Brønsted acid.

scientific article

Optimized synthesis, structural investigations, ligand tuning and synthetic evaluation of silyloxy-based alkyne metathesis catalysts

scientific article

Organocatalytic Arylation of α-Ketoesters Based on Umpolung Strategy: Phosphazene-Catalyzed SN Ar Reaction Utilizing [1,2]-Phospha-Brook Rearrangement

scientific article published on 13 August 2018

Organocatalytic Nucleophilic Substitution Reaction of gem-Difluoroalkenes with Ketene Silyl Acetals

scientific article published on 12 March 2019

Palladium-Catalyzed Addition of Silyl-Substituted Chloroalkynes to Terminal Alkynes

scientific article published on 5 August 2010

Palladium-Catalyzed Alkynylthiolation of Alkynes with Triisopropylsilylethynyl Sulfide

scientific article published on 7 September 2011

Palladium-catalyzed anti-hydrothiolation of 1-alkynylphosphines

scientific article published on 6 March 2007

Phosphazene-catalyzed intramolecular cyclization of nitrogen-tethered alkynyl esters

scientific article published in 2013

Regio- and Stereoselective Hydroamidation of 1-Alkynylphosphine Sulfides Catalyzed by Cesium Base

scientific article published in July 2008

Ring Expansion of Epoxides under Brønsted Base Catalysis: Formal [3+2] Cycloaddition of β,γ-Epoxy Esters with Imines Providing 2,4,5-Trisubstituted 1,3-Oxazolidines

scientific article published on 12 August 2015

Stereoselective hydrothiolation of alkynes catalyzed by cesium base: facile access to (Z)-1-alkenyl sulfides.

scientific article

Synthesis of 2,3-allenylamides utilizing [1,2]-phospha-Brook rearrangement and their application to gold-catalyzed cycloisomerization providing 2-aminofuran derivatives.

scientific article

Synthesis of 2-indolylphosphines by palladium-catalyzed annulation of 1-alkynylphosphine sulfides with 2-iodoanilines

scientific article published in April 2010

Synthesis of Enantioenriched γ-Amino-α,β-unsaturated Esters Utilizing Palladium-Catalyzed Rearrangement of Allylic Carbamates for Direct Application to Formal [3 + 2] Cycloaddition

scientific article published on 17 March 2017

Synthesis of Phenanthrene Derivatives by Intramolecular Cyclization Utilizing the [1,2]-Phospha-Brook Rearrangement Catalyzed by a Brønsted Base

scientific article published on 21 July 2015

Synthesis of Tetrasubstituted Furans through One-Pot Formal [3 + 2] Cycloaddition Utilizing [1,2]-Phospha-Brook Rearrangement

scientific article published on 25 February 2020

Synthesis of bulky arylphosphanes by rhodium-catalyzed formal [2+2+2] cycloaddition reaction and their use as ligands

scientific article published in September 2008

Synthesis of bulky phosphines by rhodium-catalyzed formal [2+2+2] cycloaddition reactions of tethered diynes with 1-alkynylphosphine sulfides

scientific article published on 11 May 2007

Synthesis of diarylalkanes through an intramolecular/intermolecular addition sequence by auto-tandem catalysis with strong Brønsted base

scientific article published on 01 September 2020

Total synthesis of nominal gobienine A.

scientific article published on 15 April 2013