Asymmetric, Three-Component, One-Pot Synthesis of Spiropyrazolones and 2,5-Chromenediones from Aldol Condensation/NHC-Catalyzed Annulation Reactions

Bifunctional Amine-Squaramides: Powerful Hydrogen-Bonding Organocatalysts for Asymmetric Domino/Cascade Reactions

(2015) Pankaj Chauhan et al.   ADVANCED SYNTHESIS & CATALYSIS

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

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

Organocatalytic Reactions Enabled by N-Heterocyclic Carbenes

(2015) Darrin M. Flanigan et al.   CHEMICAL REVIEWS

Enantioselective Synthesis of Functionalized Pyrazoles by NHC-Catalyzed Reaction of Pyrazolones with α,β-Unsaturated Aldehydes

(2015) Santhivardhana Reddy Yetra et al.   ORGANIC LETTERS

Recent Advances in the N-Heterocyclic Carbene (NHC)-Organocatalyzed Stetter Reaction and Related Chemistry

(2015) Akkattu Biju et al.   SYNTHESIS-STUTTGART

N-Heterocyclic Carbene Catalyzed Activation of Esters: A New Option for Asymmetric Domino Reactions

(2014) Pankaj Chauhan et al.   ANGEWANDTE CHEMIE-INTERNATIONAL EDITION

N-Heterocyclic Carbene Catalyzed Formal [3+2] Annulation Reaction of Enals: An Efficient Enantioselective Access to Spiro-Heterocycles

(2014) Chang Guo 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

Complete Field Guide to Asymmetric BINOL-Phosphate Derived Brønsted Acid and Metal Catalysis: History and Classification by Mode of Activation; Brønsted Acidity, Hydrogen Bonding, Ion Pairing, and Metal Phosphates

(2014) Dixit Parmar et al.   CHEMICAL REVIEWS

Streocontrolled Construction of Six Vicinal Stereogenic Centers on Spiropyrazolones via Organocascade Michael/Michael/1,2-Addition Reactions

(2014) Pankaj Chauhan et al.   ORGANIC LETTERS

Enantioselective N-Heterocyclic Carbene Catalyzed Annulation Reactions with Imidazolidinones

(2013) Elizabeth O'Bryan McCusker et al.   ANGEWANDTE CHEMIE-INTERNATIONAL EDITION

Acyl anion free N-heterocyclic carbene organocatalysis

(2013) Sarah J. Ryan et al.   CHEMICAL SOCIETY REVIEWS

Theoretical Study of N-Heterocyclic Carbenes-Catalyzed Cascade Annulation of Benzodienones and Enals

(2013) Hui Sun et al.   CHIRALITY

N-Heterocyclic carbene-catalyzed highly enantioselective synthesis of substituted dihydropyranopyrazolones

(2013) Han-Ming Zhang et al.   ORGANIC & BIOMOLECULAR CHEMISTRY

Highly Diastereoselective NHC-Catalyzed [4+3] Annulation of Enals, Alde­hydes and N-Phenyl Urea/Thiourea for the Synthesis of Monocyclic trans-1,3-Diazepanes

(2013) Ibadur Siddiqui et al.   SYNLETT

Aminocatalytic remote functionalization strategies

(2013) Hao Jiang et al.   Chemical Science

Exploiting Acyl and Enol Azolium Intermediates via N-Hetero- cyclic Carbene-Catalyzed Reactions of α-Reducible Aldehydes

(2012) Harit U. Vora et al.   ADVANCED SYNTHESIS & CATALYSIS

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

Extending the Aminocatalytic HOMO-Raising Activation Strategy: Where Is the Limit?

(2012) Elena Arceo et al.   ANGEWANDTE CHEMIE-INTERNATIONAL EDITION

A Continuum of Progress: Applications of N-Hetereocyclic Carbene Catalysis in Total Synthesis

(2012) Javier Izquierdo et al.   ANGEWANDTE CHEMIE-INTERNATIONAL EDITION

Chemistry and Biology Of Multicomponent Reactions

(2012) Alexander Dömling et al.   CHEMICAL REVIEWS

Organocatalytic umpolung: N-heterocyclic carbenes and beyond

(2012) Xavier Bugaut et al.   CHEMICAL SOCIETY REVIEWS

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

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

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

An organocatalytic asymmetric double Michael cascade reaction of unsaturated ketones and unsaturated pyrazolones: highly efficient synthesis of spiropyrazolone derivatives

(2012) Jinyan Liang et al.   ORGANIC & BIOMOLECULAR CHEMISTRY

Extending NHC-Catalysis: Coupling Aldehydes with Unconventional Reaction Partners

(2011) Akkattu T. Biju et al.   ACCOUNTS OF CHEMICAL RESEARCH

The Diarylprolinol Silyl Ether System: A General Organocatalyst

(2011) Kim L. Jensen et al.   ACCOUNTS OF CHEMICAL RESEARCH

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

N-Heterocyclic Carbene Catalyzed Domino Reactions

(2011) André Grossmann et al.   ANGEWANDTE CHEMIE-INTERNATIONAL EDITION

Multicomponent Reaction Design in the Quest for Molecular Complexity and Diversity

(2011) Eelco Ruijter et al.   ANGEWANDTE CHEMIE-INTERNATIONAL EDITION

Enantioselective [2+2+2] cycloaddition of ketenes and carbon disulfide catalyzed by N-heterocyclic carbenes

(2011) Xiao-Na Wang et al.   CHEMICAL COMMUNICATIONS

Employing homoenolates generated by NHC catalysis in carbon–carbon bond-forming reactions: state of the art

(2011) Vijay Nair et al.   CHEMICAL SOCIETY REVIEWS

N-Heterocyclic Carbene-Catalyzed [2+2+2] Annulation of Allenoates with Trifluoromethylketones

(2011) Lihui Sun et al.   CHINESE JOURNAL OF CHEMISTRY

Highly Stereoselective Synthesis of Spiropyrazolones

(2011) Andrea-Nekane R. Alba et al.   EUROPEAN JOURNAL OF ORGANIC CHEMISTRY

Tetrahydropyridinium bromide: Useful synthon to functionalized pyrrolidines

(2011) Luca Guideri et al.   JOURNAL OF HETEROCYCLIC CHEMISTRY

Mechanistic Insights on N-Heterocyclic Carbene-Catalyzed Annulations: The Role of Base-Assisted Proton Transfers

(2011) Pragya Verma et al.   JOURNAL OF ORGANIC CHEMISTRY

Highly enantioselective cascade synthesis of spiropyrazolones

(2011) Alex Zea et al.   ORGANIC & BIOMOLECULAR CHEMISTRY

NHC-Catalyzed Enantioselective [2 + 2] and [2 + 2 + 2] Cycloadditions of Ketenes with Isothiocyanates

(2011) Xiao-Na Wang et al.   ORGANIC LETTERS

Asymmetric α-Amination of 4-Substituted Pyrazolones Catalyzed by a Chiral Gd(OTf)3/N,N′-Dioxide Complex: Highly Enantioselective Synthesis of 4-Amino-5-pyrazolone Derivatives

(2011) Zhigang Yang et al.   ORGANIC LETTERS

Homogeneous and heterogeneous catalysts for multicomponent reactions

(2011) Maria José Climent et al.   RSC Advances

Mechanisms in aminocatalysis

(2010) Martin Nielsen et al.   CHEMICAL COMMUNICATIONS

Multicomponent Reactions for the Synthesis of Heterocycles

(2010) Bo Jiang et al.   Chemistry-An Asian Journal

Chiral Phosphoric Acids as Versatile Catalysts for Enantioselective Transformations

(2010) Masahiro Terada   SYNTHESIS-STUTTGART

Natural Product Synthesis Using Multicomponent Reaction Strategies

(2009) Barry B. Touré et al.   CHEMICAL REVIEWS

(Thio)urea organocatalysis—What can be learnt from anion recognition?

(2009) Zhiguo Zhang et al.   CHEMICAL SOCIETY REVIEWS

Enantioselective Synthesis of β-(3-Hydroxypyrazol-1-yl) Ketones Using an Organocatalyzed Michael Addition Reaction

(2009) Sanjib Gogoi et al.   ORGANIC LETTERS

Recent advances in carbon–carbon bond-forming reactions involving homoenolates generated by NHC catalysis

(2008) Vijay Nair et al.   CHEMICAL SOCIETY REVIEWS

Stereoselective synthesis of spirocyclopentanones viaN-heterocyclic carbene-catalyzed reactions of enals and dienones

(2007) Vijay Nair et al.   CHEMICAL COMMUNICATIONS