Asymmetric chlorination of 4-substituted pyrazolones catalyzed by natural cinchona alkaloid

Organocatalytic Enantioselective Alkylation of Pyrazol-3-ones with Isatin-Derived Ketimines: Stereocontrolled Construction of Vicinal Tetrasubstituted Stereocenters

(2016) Fares Ibrahim Amr et al.   ADVANCED SYNTHESIS & CATALYSIS

Bioisosteric Exchange of Csp3 -Chloro and Methyl Substituents: Synthesis and Initial Biological Studies of Atpenin A5 Analogues

(2016) Simon Krautwald et al.   ANGEWANDTE CHEMIE-INTERNATIONAL EDITION

Reductive Chlorination and Bromination of Ketones via Trityl Hydrazones

(2016) Julius R. Reyes et al.   ANGEWANDTE CHEMIE-INTERNATIONAL EDITION

Amine-Catalyzed Asymmetric (3 + 3) Annulations of β′-Acetoxy Allenoates: Enantioselective Synthesis of 4H-Pyrans

(2016) Chunjie Ni et al.   JOURNAL OF THE AMERICAN CHEMICAL SOCIETY

H-Bond-Directing Organocatalyst for Enantioselective [4 + 2] Cycloadditions via Dienamine Catalysis

(2016) Shoulei Wang et al.   ORGANIC LETTERS

Enantioselective Synthesis of Dihydrospiro[indoline-3,4′-pyrano[2,3-c]pyrazole] Derivatives via Michael/Hemiketalization Reaction

(2016) Nandarapu Kumarswamyreddy et al.   ORGANIC LETTERS

Asymmetric fluorination of 4-substituted pyrazolones catalyzed by quinine

(2016) Xiaoze Bao et al.   TETRAHEDRON-ASYMMETRY

Biological Investigations of (+)-Danicalipin A Enabled Through Synthesis

(2015) Adrian M. Bailey et al.   ANGEWANDTE CHEMIE-INTERNATIONAL EDITION

Highly Stereoselective Intermolecular Haloetherification and Haloesterification of Allyl Amides

(2015) Bardia Soltanzadeh et al.   ANGEWANDTE CHEMIE-INTERNATIONAL EDITION

Asymmetric Synthesis of Spiropyrazolones by Sequential Organo- and Silver Catalysis

(2015) Daniel Hack et al.   ANGEWANDTE CHEMIE-INTERNATIONAL EDITION

Enantioselective Synthesis of Spirocyclohexadienones by NHC-Catalyzed Formal [3+3] Annulation Reaction of Enals

(2015) Santhivardhana Reddy Yetra et al.   ANGEWANDTE CHEMIE-INTERNATIONAL EDITION

Triphosgene–pyridine mediated stereoselective chlorination of acyclic aliphatic 1,3-diols

(2015) Andrés Villalpando et al.   CHEMICAL COMMUNICATIONS

Asymmetric synthesis of pyrazoles and pyrazolones employing the reactivity of pyrazolin-5-one derivatives

(2015) Pankaj Chauhan et al.   CHEMICAL COMMUNICATIONS

Combining silver- and organocatalysis: an enantioselective sequential catalytic approach towards pyrano-annulated pyrazoles

(2015) Daniel Hack et al.   CHEMICAL COMMUNICATIONS

Catalytic asymmetric construction of spiro[pyrrolidine-2,3′-oxindole] scaffolds through chiral phosphoric acid-catalyzed 1,3-dipolar cycloaddition involving 3-amino oxindoles

(2015) Guodong Zhu et al.   CHEMICAL COMMUNICATIONS

Organocatalytic Asymmetric Fluorination of 4-Substituted Isoxazolinones

(2015) Huanrui Zhang et al.   EUROPEAN JOURNAL OF ORGANIC CHEMISTRY

Catalytic Chemo-, Regio-, and Enantioselective Bromochlorination of Allylic Alcohols

(2015) Dennis X. Hu et al.   JOURNAL OF THE AMERICAN CHEMICAL SOCIETY

Design of Highly Stable Iminophosphoranes as Recyclable Organocatalysts: Application to Asymmetric Chlorinations of Oxindoles

(2015) Xing Gao et al.   ORGANIC LETTERS

An Organocatalytic Asymmetric Friedel–Crafts Addition/Fluorination Sequence: Construction of Oxindole–Pyrazolone Conjugates Bearing Vicinal Tetrasubstituted Stereocenters

(2015) Xiaoze Bao et al.   ORGANIC LETTERS

Asymmetric tandem Michael addition/oxidation of pyrazolones with p-benzoquinone catalyzed by cinchona alkaloids

(2015) Yuli He et al.   TETRAHEDRON-ASYMMETRY

Organocatalytic asymmetric chlorinative dearomatization of naphthols

(2015) Qin Yin et al.   Chemical Science

Iron(ii)-catalyzed asymmetric intramolecular olefin aminochlorination using chloride ion

(2015) Cheng-Liang Zhu et al.   Chemical Science

Enantioselective Divergent Syntheses of Several PolyhalogenatedPlocamiumMonoterpenes and Evaluation of Their Selectivity for Solid Tumors

(2014) Carl V. Vogel et al.   ANGEWANDTE CHEMIE-INTERNATIONAL EDITION

Asymmetric Synthesis of Spiropyrazolones through Phosphine-Catalyzed [4+1] Annulation

(2014) Xiaoyu Han et al.   ANGEWANDTE CHEMIE-INTERNATIONAL EDITION

Novel Tartrate-Based Guanidines for Enantioselective Fluorination of 1,3-Dicarbonyl and α-Cyano Carbonyl Compounds

(2014) Liwei Zou et al.   AUSTRALIAN JOURNAL OF CHEMISTRY

Novel tartrate-derived guanidine-catalyzed highly enantio- and diastereoselective Michael addition of 3-substituted oxindoles to nitroolefins

(2014) Liwei Zou et al.   CHEMICAL COMMUNICATIONS

Organocatalytic enantioselective α-amination of 5-substituted rhodanines: an efficient approach to chiral N,S-acetals

(2014) Huanrui Zhang et al.   ORGANIC & BIOMOLECULAR CHEMISTRY

Recent advances in asymmetric intra- and intermolecular halofunctionalizations of alkenes

(2014) Yi An Cheng et al.   ORGANIC & BIOMOLECULAR CHEMISTRY

Cinchona Alkaloids as Organocatalysts in Enantioselective Halofunctionalization of Alkenes and Alkynes

(2014) Suqing Zheng et al.   Asian Journal of Organic Chemistry

Kinetic Resolution of Allyl Fluorides by Enantioselective Allylic Trifluoromethylation Based on Silicon-Assisted CF Bond Cleavage

(2013) Takayuki Nishimine et al.   ANGEWANDTE CHEMIE-INTERNATIONAL EDITION

Catalytic, Enantioselective, and Highly Chemoselective Bromocyclization of Olefinic Dicarbonyl Compounds

(2013) Yi Zhao et al.   ANGEWANDTE CHEMIE-INTERNATIONAL EDITION

Enantioselective Iron-Catalyzed Azidation of β-Keto Esters and Oxindoles

(2013) Qing-Hai Deng et al.   JOURNAL OF THE AMERICAN CHEMICAL SOCIETY

Pd-Catalyzed Asymmetric Allylic Alkylation of Pyrazol-5-ones with Allylic Alcohols: The Role of the Chiral Phosphoric Acid in C–O Bond Cleavage and Stereocontrol

(2013) Zhong-Lin Tao et al.   JOURNAL OF THE AMERICAN CHEMICAL SOCIETY

Chlorine, an atom economical auxiliary for asymmetric aldol reactions

(2013) Shira D. Halperin et al.   ORGANIC & BIOMOLECULAR CHEMISTRY

A Tandem Organocatalytic α-Chlorination–Aldol Reaction That Proceeds with Dynamic Kinetic Resolution: A Powerful Tool for Carbohydrate Synthesis

(2013) Milan Bergeron-Brlek et al.   ORGANIC LETTERS

Development of Tartaric Acid Derived Chiral Guanidines and Their Application to Catalytic Enantioselective α-Hydroxylation of β-Dicarbonyl Compounds

(2013) Liwei Zou et al.   ORGANIC LETTERS

Asymmetric cooperative catalysis in the conjugate addition of pyrazolones to nitroolefins and subsequent dearomative chlorination

(2013) KeFeng Zhang et al.   Science China-Chemistry

Catalytic Enantioselective α-Chlorination of Carbonyl Compounds

(2013) Kazutaka Shibatomi et al.   Asian Journal of Organic Chemistry

Highly Z-Selective Asymmetric Conjugate Addition of Alkynones with Pyrazol-5-ones Promoted by N,N′-Dioxide-Metal Complexes

(2012) Zhen Wang et al.   ANGEWANDTE CHEMIE-INTERNATIONAL EDITION

Highly Diastereo- and Enantioselective Organocatalytic One-Pot Sequential 1,4-Addition/Dearomative-Fluorination Transformation

(2012) Feng Li et al.   CHEMISTRY-A EUROPEAN JOURNAL

Bifunctional Catalyst Promotes Highly Enantioselective Bromolactonizations To Generate Stereogenic C–Br Bonds

(2012) Daniel H. Paull et al.   JOURNAL OF THE AMERICAN CHEMICAL SOCIETY

Highly Enantioselective Chlorination of β-Keto Esters and Subsequent SN2 Displacement of Tertiary Chlorides: A Flexible Method for the Construction of Quaternary Stereogenic Centers

(2012) Kazutaka Shibatomi et al.   JOURNAL OF THE AMERICAN CHEMICAL SOCIETY

Achiral Counterion Control of Enantioselectivity in a Brønsted Acid-Catalyzed Iodolactonization

(2012) Mark C. Dobish et al.   JOURNAL OF THE AMERICAN CHEMICAL SOCIETY

α-Haloaldehydes: versatile building blocks for natural product synthesis

(2012) Robert Britton et al.   NATURAL PRODUCT REPORTS

Organocatalytic Asymmetric Synthesis of 3-Chlorooxindoles Bearing Adjacent Quaternary–Tertiary Centers

(2012) Artur Noole et al.   ORGANIC LETTERS

Chiral Zinc-Catalyzed Asymmetric α-Alkylallylation and α-Chloroallylation of Aldehydes

(2011) Shū Kobayashi et al.   ANGEWANDTE CHEMIE-INTERNATIONAL EDITION

Highly Enantioselective Michael Addition of Pyrazolin-5-ones Catalyzed by Chiral Metal/N,N′-Dioxide Complexes: Metal-Directed Switch in Enantioselectivity

(2011) Zhen Wang et al.   ANGEWANDTE CHEMIE-INTERNATIONAL EDITION

Current Methods for Asymmetric Halogenation of Olefins

(2011) Alejandro Castellanos et al.   CHEMISTRY-A EUROPEAN JOURNAL

Cinchona Alkaloid Catalyzed Enantioselective Chlorination of 3-Aryloxindoles

(2011) Mei-Xin Zhao et al.   EUROPEAN JOURNAL OF ORGANIC CHEMISTRY

A General Strategy for the Stereocontrolled Preparation of Diverse 8- and 9-MemberedLaurencia-Type Bromoethers

(2011) Scott A. Snyder et al.   JOURNAL OF THE AMERICAN CHEMICAL SOCIETY

Chiral Calcium VAPOL Phosphate Mediated Asymmetric Chlorination and Michael Reactions of 3-Substituted Oxindoles

(2011) Wenhua Zheng et al.   JOURNAL OF THE AMERICAN CHEMICAL SOCIETY

Axially chiral BINIM and Ni(II)-catalyzed asymmetric chlorination of 3-substituted oxindoles

(2011) De Wang et al.   TETRAHEDRON-ASYMMETRY

Organocatalytic Asymmetric Michael Addition of Pyrazolin-5-ones to Nitroolefins with Bifunctional Thiourea: Stereocontrolled Construction of Contiguous Quaternary and Tertiary Stereocenters

(2010) Yu-Hua Liao et al.   ADVANCED SYNTHESIS & CATALYSIS

Catalytic Enantioselective Fluorination of α-Chloro-β-keto Esters in the Presence of Chiral Nickel Complexes

(2010) Seung Hee Kang et al.   ADVANCED SYNTHESIS & CATALYSIS

Tertiary Aminourea-Catalyzed Enantioselective Iodolactonization

(2010) Gemma E. Veitch et al.   ANGEWANDTE CHEMIE-INTERNATIONAL EDITION

Inhibition of Human Tumor Cell Proliferation by the Telomerase Inhibitor TELIN

(2010) Yasutaka Kakiuchi et al.   CYTOLOGIA

Chlorosulfolipids: Structure, synthesis, and biological relevance

(2010) D. Karl Bedke et al.   NATURAL PRODUCT REPORTS

Alternative Synthetic Strategies for Enantioselective Construction of Halogenated Chiral Carbon Centers

(2010) Kazutaka Shibatomi   SYNTHESIS-STUTTGART

Organocatalyzed direct asymmetric α-halogenation of carbonyl compounds

(2009) Mitsuhiro Ueda et al.   ORGANIC & BIOMOLECULAR CHEMISTRY