Catalytic Asymmetric Synthesis of Spirocyclic Azlactones by a Double Michael-Addition Approach

Asymmetric Michael additions of α-cyanoacetates by soft Lewis acid/hard Brønsted acid catalysis: stereodivergency with bi- vs. monometallic catalysts

(2013) Simon H. Eitel et al.   Chemical Science

Catalytic Asymmetric Synthesis of Functionalized α,α-Disubstituted α-Amino Acid Derivatives from Racemic Unprotected α-Amino Acids via in-situ Generated Azlactones

(2012) Manuel Weber et al.   ADVANCED SYNTHESIS & CATALYSIS

Bispalladacycle-Catalyzed Michael Addition of In Situ Formed Azlactones to Enones

(2012) Manuel Weber et al.   CHEMISTRY-A EUROPEAN JOURNAL

Asymmetric Double Michael Reaction Catalyzed by Simple Primary Amine Catalysts: A Straightforward Approach to Construct Spirocyclic Oxindoles

(2012) Xiya Luo et al.   CHINESE JOURNAL OF CHEMISTRY

Highly Enantioselective Synthesis of Spiro[cyclohexanone-oxindoles] and Spiro[cyclohexanone-pyrazolones] by Asymmetric Cascade [5+1] Double Michael Reactions

(2012) Bin Wu et al.   EUROPEAN JOURNAL OF ORGANIC CHEMISTRY

Pd(II)-Catalyzed Regio-, Enantio-, and Diastereoselective 1,4-Addition of Azlactones Formed in Situ From Racemic Unprotected Amino Acids and Acetic Anhydride

(2012) Manuel Weber et al.   JOURNAL OF ORGANIC CHEMISTRY

Paramagnetic Palladacycles with PdIII Centers Are Highly Active Catalysts for Asymmetric Aza-Claisen Rearrangements

(2012) Simon H. Eitel et al.   JOURNAL OF THE AMERICAN CHEMICAL SOCIETY

Highly Regio-, Diastereo-, and Enantioselective 1,6- and 1,8-Additions of Azlactones to Di- and Trienyl N-Acylpyrroles

(2012) Daisuke Uraguchi et al.   JOURNAL OF THE AMERICAN CHEMICAL SOCIETY

Cooperative Al(Salen)-Pyridinium Catalysts for the Asymmetric Synthesis of trans-Configured β-Lactones by [2+2]-Cyclocondensation of Acylbromides and Aldehydes: Investigation of Pyridinium Substituent Effects

(2012) Patrick Meier et al.   MOLECULES

Palladacycle-Catalyzed Asymmetric Intermolecular Construction of Chiral Tertiary P-Heterocycles by Stepwise Addition of H–P–H Bonds to Bis(enones)

(2012) Yinhua Huang et al.   ORGANOMETALLICS

Asymmetric Synthesis of Heterobimetallic Planar Chiral Ferrocene Pallada-/Platinacycles and Their Application to Enantioselective Aza-Claisen Rearrangements

(2012) Marcel Weiss et al.   ORGANOMETALLICS

Homo- and Heterobimetallic Pd–, Ag–, and Ni–Hybrid Salen–Bis-NHC Complexes

(2012) Melanie Mechler et al.   ORGANOMETALLICS

Direct Enantioselective Three-Component Kabachnik-Fields Reaction Catalyzed by Chiral Bis(imidazoline)-Zinc(II) Catalysts

(2011) Mutsuyo Ohara et al.   ADVANCED SYNTHESIS & CATALYSIS

Direct Synthesis of 6-Azabicyclo[3.2.1]oct-6-en-2-ones and Pyrrolizidines from Divinyl Ketones and Observation of Remarkable Substituent Effects

(2011) Xianxiu Xu et al.   ADVANCED SYNTHESIS & CATALYSIS

Enantioselective Reaction of Imines and Benzyl Nitriles Using Palladium Pincer Complexes withC2-Symmetric Chiral Bis(imidazoline)s

(2011) Kengo Hyodo et al.   ADVANCED SYNTHESIS & CATALYSIS

A highly organocatalytic stereoselective double Michael reaction: efficient construction of optically enriched spirocyclic oxindoles

(2011) Liang-Liang Wang et al.   CHEMICAL COMMUNICATIONS

Efficient synthesis of optically active 4-nitro-cyclohexanones via bifunctional thiourea-base catalyzed double-Michael addition of nitromethane to dienones

(2011) Bin Wu et al.   CHEMICAL COMMUNICATIONS

Lewis Acid/Base Catalyzed [2+2]-Cycloaddition of Sulfenes and Aldehydes: A Versatile Entry to Chiral Sulfonyl and Sulfinyl Derivatives

(2011) Florian M. Koch et al.   CHEMISTRY-A EUROPEAN JOURNAL

Oxazolones in Organocatalysis, New Tricks for an Old Reagent

(2011) Andrea-Nekane R. Alba et al.   Chemistry-An Asian Journal

Quinine-Catalysed Double Michael Addition of Malononitrile to 1,5-Disubstituted Pentadien-3-ones: A Stereoselective Route to Cyclohexanones

(2011) Claudia De Fusco et al.   EUROPEAN JOURNAL OF ORGANIC CHEMISTRY

Organocatalytic Conjugate Addition of Malononitrile to Conformationally Restricted Dienones

(2011) Zhi-Peng Hu et al.   JOURNAL OF ORGANIC CHEMISTRY

A Dual-Catalysis Approach to the Asymmetric Steglich Rearrangement and Catalytic Enantioselective Addition ofO-Acylated Azlactones to Isoquinolines

(2011) Chandra Kanta De et al.   JOURNAL OF THE AMERICAN CHEMICAL SOCIETY

Gold(I)-Catalyzed Diastereo- and Enantioselective 1,3-Dipolar Cycloaddition and Mannich Reactions of Azlactones

(2011) Asa D. Melhado et al.   JOURNAL OF THE AMERICAN CHEMICAL SOCIETY

HighlyZ-Selective Asymmetric 1,4-Addition Reaction of 5H-Oxazol-4-ones with Alkynyl Carbonyl Compounds Catalyzed by Chiral Guanidines

(2011) Tomonori Misaki et al.   JOURNAL OF THE AMERICAN CHEMICAL SOCIETY

Asymmetric synthesis of multi-substituted spiro[5,5]undecane-1,5,9-triones via organocatalytic three-component reaction

(2011) Jian Shi et al.   TETRAHEDRON

Development of Diphenylamine-Linked Bis(imidazoline) Ligands and Their Application in Asymmetric Friedel-Crafts Alkylation of Indole Derivatives with Nitroalkenes

(2010) Han Liu et al.   ADVANCED SYNTHESIS & CATALYSIS

Enantioselective Organocatalytic Addition of Azlactones to Maleimides: A Highly Stereocontrolled Entry to 2,2-Disubstituted-2H-oxazol-5-ones

(2010) Andrea-Nekane R. Alba et al.   CHEMISTRY-A EUROPEAN JOURNAL

Interplay of Direct Stereocontrol and Dynamic Kinetic Resolution in a Bifunctional Amine Thiourea Catalyzed Highly Enantioselective Cascade Michael-Michael Reaction

(2010) Chenguang Yu et al.   CHEMISTRY-A EUROPEAN JOURNAL

Catalytic Asymmetric Synthesis of trans-Configured β-Lactones: Cooperation of Lewis Acid and Ion Pair Catalysis

(2010) Thomas Kull et al.   CHEMISTRY-A EUROPEAN JOURNAL

Catalytic Asymmetric Formation of δ-Lactones from Unsaturated Acyl Halides

(2010) Paolo S. Tiseni et al.   CHEMISTRY-A EUROPEAN JOURNAL

Allylic Imidate Rearrangements Catalyzed by Planar Chiral Palladacycles

(2010) Hiroshi Nomura et al.   Chemistry-An Asian Journal

Catalyst versus Substrate Induced Selectivity: Kinetic Resolution by Palladacycle Catalyzed Allylic Imidate Rearrangements

(2010) René Peters et al.   Chemistry-An Asian Journal

Toward Consistent Terminology for Cyclohexane Conformers in Introductory Organic Chemistry

(2010) Donna J. Nelson et al.   JOURNAL OF CHEMICAL EDUCATION

Stereoselective Synthesis of Cyclohexanones via Phase Transfer Catalyzed Double Addition of Nucleophiles to Divinyl Ketones.

(2010) Andrew C. Silvanus et al.   JOURNAL OF ORGANIC CHEMISTRY

Direct Asymmetric Aldol Reaction of 5H-Oxazol-4-ones with Aldehydes Catalyzed by Chiral Guanidines

(2010) Tomonori Misaki et al.   JOURNAL OF THE AMERICAN CHEMICAL SOCIETY

Chiral Bisguanidine-Catalyzed Inverse-Electron-Demand Hetero-Diels−Alder Reaction of Chalcones with Azlactones

(2010) Shunxi Dong et al.   JOURNAL OF THE AMERICAN CHEMICAL SOCIETY

Acyl Phosphonates: Good Hydrogen Bond Acceptors and Ester/Amide Equivalents in Asymmetric Organocatalysis

(2010) Hao Jiang et al.   JOURNAL OF THE AMERICAN CHEMICAL SOCIETY

Bispalladacycle-Catalyzed Brønsted Acid/Base-Promoted Asymmetric Tandem Azlactone Formation−Michael Addition

(2010) Manuel Weber et al.   JOURNAL OF THE AMERICAN CHEMICAL SOCIETY

Asymmetric Organocatalytic Double-Conjugate Addition of Malononitrile to Dienones: Efficient Synthesis of Optically Active Cyclohexanones

(2010) Xue-ming Li et al.   ORGANIC LETTERS

Recent Advances in the Synthesis of 2-Imidazolines and Their Applications in Homogeneous Catalysis

(2009) Han Liu et al.   ADVANCED SYNTHESIS & CATALYSIS

The art of total synthesis through cascade reactions

(2009) K. C. Nicolaou et al.   CHEMICAL SOCIETY REVIEWS

Asymmetric Synthesis of 3-Amino-δ-lactams and Benzo[a]quinolizidines by Catalytic Cyclization Reactions Involving Azlactones

(2009) Jun Jiang et al.   CHEMISTRY-A EUROPEAN JOURNAL

The Asymmetric Aza-Claisen Rearrangement: Development of Widely Applicable Pentaphenylferrocenyl Palladacycle Catalysts

(2009) Daniel F. Fischer et al.   CHEMISTRY-A EUROPEAN JOURNAL

Catalytic Asymmetric Synthesis of β-Sultams as Precursors for Taurine Derivatives

(2009) Marian Zajac et al.   CHEMISTRY-A EUROPEAN JOURNAL

Organocatalytic Asymmetric Aza-Michael Additions

(2009) Dieter Enders et al.   CHEMISTRY-A EUROPEAN JOURNAL

Enantioselective Direct Aldol-Type Reaction of Azlactone via Protonation of Vinyl Ethers by a Chiral Brønsted Acid Catalyst

(2009) Masahiro Terada et al.   JOURNAL OF THE AMERICAN CHEMICAL SOCIETY

Diastereoselective Bis-Cyclopalladation of Ferrocene-1,1′-diyl Bis-Imidazolines: Translation of Central via Axial into Planar Chirality

(2009) Sascha Jautze et al.   ORGANOMETALLICS

Chiral Organic Ion Pair Catalysts Assembled Through a Hydrogen-Bonding Network

(2009) D. Uraguchi et al.   SCIENCE

Stereoselective syntheses of quaternary substituted α-amino acids using oxazol-5-(4H)-ones

(2009) Robert A. Mosey et al.   TETRAHEDRON-ASYMMETRY

Recent progress on the stereoselective synthesis of cyclic quaternary α-amino acids

(2009) Carlos Cativiela et al.   TETRAHEDRON-ASYMMETRY

Novel EnantiocomplementaryC2‐Symmetric Chiral Bis(imidazoline) Ligands: Highly Enantioselective Friedel–Crafts Alkylation of Indoles with Ethyl 3,3,3‐Trifluoropyruvate

(2008) Shuichi Nakamura et al.   ADVANCED SYNTHESIS & CATALYSIS

Tandem Catalytic Asymmetric Friedel-Crafts/Henry Reaction: Control of Three Contiguous Acyclic Stereocenters

(2008) Takayoshi Arai et al.   ANGEWANDTE CHEMIE-INTERNATIONAL EDITION

A Highly Stereoselective Hydrogen-Bond-Mediated Michael–Michael Cascade Process through Dynamic Kinetic Resolution

(2008) Jian Wang et al.   ANGEWANDTE CHEMIE-INTERNATIONAL EDITION

Contact Ion Pair Directed Lewis Acid Catalysis: Asymmetric Synthesis oftrans‐Configured β‐Lactones

(2008) Thomas Kull et al.   ANGEWANDTE CHEMIE-INTERNATIONAL EDITION

Enantioselective Bimetallic Catalysis of Michael Additions Forming Quaternary Stereocenters

(2008) Sascha Jautze et al.   ANGEWANDTE CHEMIE-INTERNATIONAL EDITION

Site-Directed Asymmetric Quaternization of a Peptide Backbone at a C-Terminal Azlactone

(2008) Daisuke Uraguchi et al.   ANGEWANDTE CHEMIE-INTERNATIONAL EDITION

A Highly Strained Planar-Chiral Platinacycle for Catalytic Activation of Internal Olefins in the Friedel-Crafts Alkylation of Indoles

(2008) Haoxi Huang et al.   ANGEWANDTE CHEMIE-INTERNATIONAL EDITION

Catalytic Asymmetric Conjugate Addition and Allylic Alkylation with Grignard Reagents

(2008) Syuzanna R. Harutyunyan et al.   CHEMICAL REVIEWS

Enantioselective Copper-Catalyzed Conjugate Addition and Allylic Substitution Reactions

(2008) A. Alexakis et al.   CHEMICAL REVIEWS

Asymmetric 1,4-Addition of Oxazolones to Nitroalkenes by Bifunctional Cinchona Alkaloid Thiourea Organocatalysts: Synthesis of α,α-Disubstituted α-Amino Acids

(2008) José Alemán et al.   CHEMISTRY-A EUROPEAN JOURNAL

A Library of Chiral Imidazoline–Aminophenol Ligands: Discovery of an Efficient Reaction Sphere

(2008) Takayoshi Arai et al.   CHEMISTRY-A EUROPEAN JOURNAL

Diphenylprolinol Silyl Ether as a Catalyst in an Enantioselective, Catalytic Michael Reaction for the Formation of α,α-Disubstituted α-Amino Acid Derivatives

(2008) Yujiro Hayashi et al.   Chemistry-An Asian Journal

Organocatalytic Asymmetric Synthesis of α,α-Disubstituted α-Amino Acids and Derivatives

(2008) Silvia Cabrera et al.   JOURNAL OF THE AMERICAN CHEMICAL SOCIETY

Chiral Tetraaminophosphonium Carboxylate-Catalyzed Direct Mannich-Type Reaction

(2008) Daisuke Uraguchi et al.   JOURNAL OF THE AMERICAN CHEMICAL SOCIETY

Lewis Acid−Lewis Base Catalyzed Enantioselective Hetero-Diels−Alder Reaction for Direct Access to δ-Lactones

(2008) Paolo S. Tiseni et al.   ORGANIC LETTERS

Non-racemic (scalemic) planar-chiral five-membered metallacycles: routes, means, and pitfalls in their synthesis and characterization

(2007) Jean-Pierre Djukic et al.   CHEMICAL SOCIETY REVIEWS

Synthesis of Nearly Enantiopure Allylic Amines by Aza-Claisen Rearrangement ofZ-Configured Allylic Trifluoroacetimidates Catalyzed by Highly Active Ferrocenylbispalladacycles

(2007) Sascha Jautze et al.   CHEMISTRY-A EUROPEAN JOURNAL

Asymmetric Hydrogenation of Unsaturated Ureas with the BIPI Ligands

(2007) Carl A. Busacca et al.   ORGANIC LETTERS