Catalytic Asymmetric Piancatelli Rearrangement: Brønsted Acid Catalyzed 4π Electrocyclization for the Synthesis of Multisubstituted Cyclopentenones

Brønsted Acid Catalyzed Addition of Enamides to ortho -Quinone Methide Imines-An Efficient and Highly Enantioselective Synthesis of Chiral Tetrahydroacridines

(2016) Martin Kretzschmar et al.   ANGEWANDTE CHEMIE-INTERNATIONAL EDITION

Asymmetric Brønsted Acid Catalyzed Substitution of Diaryl Methanols with Thiols and Alcohols for the Synthesis of Chiral Thioethers and Ethers

(2016) Adisak Chatupheeraphat et al.   ANGEWANDTE CHEMIE-INTERNATIONAL EDITION

Synergistic Rhodium/Phosphoric Acid Catalysis for the Enantioselective Addition of Oxonium Ylides to ortho -Quinone Methides

(2016) Santosh Kumar Alamsetti et al.   ANGEWANDTE CHEMIE-INTERNATIONAL EDITION

Synthesis of Chiral Cyclopentenones

(2016) Svilen P. Simeonov et al.   CHEMICAL REVIEWS

Asymmetric Brønsted Acid Catalyzed Synthesis of Triarylmethanes-Construction of Communesin and Spiroindoline Scaffolds

(2015) Hsuan-Hung Liao et al.   ANGEWANDTE CHEMIE-INTERNATIONAL EDITION

Ortho-Quinone Methides as Reactive Intermediates in Asymmetric Brønsted Acid Catalyzed Cycloadditions with Unactivated Alkenes by Exclusive Activation of the Electrophile

(2015) Chien-Chi Hsiao et al.   ANGEWANDTE CHEMIE-INTERNATIONAL EDITION

Catalytic Asymmetric Inverse-Electron-Demand Oxa-Diels-Alder Reaction of In Situ Generatedortho-Quinone Methides with 3-Methyl-2-Vinylindoles

(2015) Jia-Jia Zhao et al.   ANGEWANDTE CHEMIE-INTERNATIONAL EDITION

Chiral Brønsted acid-catalyzed Friedel–Crafts alkylation of electron-rich arenes with in situ-generated ortho-quinone methides: highly enantioselective synthesis of diarylindolylmethanes and triarylmethanes

(2015) Satyajit Saha et al.   CHEMICAL COMMUNICATIONS

Directing Group Assisted Nucleophilic Substitution of Propargylic Alcohols via o-Quinone Methide Intermediates: Brønsted Acid Catalyzed, Highly Enantio- and Diastereoselective Synthesis of 7-Alkynyl-12a-acetamido-Substituted Benzoxanthenes

(2015) Satyajit Saha et al.   ORGANIC LETTERS

Role of Ion-Pairs in Brønsted Acid Catalysis

(2015) Heejae Kim et al.   ACS Catalysis

Tandem Reaction Progress Analysis as a Means for Dissecting Catalytic Reactions: Application to the Aza-Piancatelli Rearrangement

(2015) Ryan Chung et al.   ACS Catalysis

Catalytic Enantioselective Nazarov Cyclization: Construction of Vicinal All-Carbon-Atom Quaternary Stereocenters

(2014) Anais Jolit et al.   ANGEWANDTE CHEMIE-INTERNATIONAL EDITION

Enantio- and Diastereoselective Access to Distant Stereocenters Embedded within Tetrahydroxanthenes: Utilizingortho-Quinone Methides as Reactive Intermediates in Asymmetric Brønsted Acid Catalysis

(2014) Chien-Chi Hsiao et al.   ANGEWANDTE CHEMIE-INTERNATIONAL EDITION

Experimental and Computational Study of the Catalytic Asymmetric 4π-Electrocyclization of N-Heterocycles

(2014) Sadiya Raja et al.   ANGEWANDTE CHEMIE-INTERNATIONAL EDITION

Brønsted Acid Catalyzed, Conjugate Addition of β-Dicarbonyls to In Situ Generatedortho-Quinone Methides-Enantioselective Synthesis of 4-Aryl-4H-Chromenes

(2014) Osama El-Sepelgy et al.   ANGEWANDTE CHEMIE-INTERNATIONAL EDITION

Enantioselective Formation of All-Carbon Quaternary Stereocenters from Indoles and Tertiary Alcohols Bearing A Directing Group

(2014) Wanxiang Zhao et al.   ANGEWANDTE CHEMIE-INTERNATIONAL EDITION

The versatility of furfuryl alcohols and furanoxonium ions in synthesis

(2014) Matthew J. Palframan et al.   CHEMICAL COMMUNICATIONS

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

Brønsted Acid-Catalyzed, Highly Enantioselective Addition of Enamides to In Situ-Generatedortho-Quinone Methides: A Domino Approach to Complex Acetamidotetrahydroxanthenes

(2014) Satyajit Saha et al.   CHEMISTRY-A EUROPEAN JOURNAL

Organocatalytic Asymmetric Synthesis of 1,1-Diarylethanes by Transfer Hydrogenation

(2014) Zhaobin Wang et al.   JOURNAL OF THE AMERICAN CHEMICAL SOCIETY

Calcium(II)-Catalyzed Aza-Piancatelli Reaction

(2014) David Lebœuf et al.   ORGANIC LETTERS

Efficient synthesis of 4-hydroxycyclopentenones: dysprosium(III) triflate catalyzed Piancatelli rearrangement

(2014) David Fisher et al.   TETRAHEDRON

Chiral Phosphoric Acid-Catalyzed Enantioselective Aza-Friedel-Crafts Alkylation of Indoles with γ-Hydroxy-γ-lactams

(2013) Thibaut Courant et al.   ADVANCED SYNTHESIS & CATALYSIS

Asymmetric Ion Pair Catalysis of 6π Electrocyclizations: Brønsted Acid Catalyzed Enantioselective Synthesis of Optically Active 1,4-Dihydropyridazines

(2013) Arindam Das et al.   ANGEWANDTE CHEMIE-INTERNATIONAL EDITION

On the Acidity and Reactivity of Highly Effective Chiral Brønsted Acid Catalysts: Establishment of an Acidity Scale

(2013) Karl Kaupmees et al.   ANGEWANDTE CHEMIE-INTERNATIONAL EDITION

Contemporary Carbocation Chemistry: Applications in Organic Synthesis

(2013) Rajasekhar Reddy Naredla et al.   CHEMICAL REVIEWS

Beyond the Divinyl Ketone: Innovations in the Generation and Nazarov Cyclization of Pentadienyl Cation Intermediates

(2013) William T. Spencer III et al.   EUROPEAN JOURNAL OF ORGANIC CHEMISTRY

Importance of Off-Cycle Species in the Acid-Catalyzed Aza-Piancatelli Rearrangement

(2013) Diana Yu et al.   JOURNAL OF ORGANIC CHEMISTRY

The Piancatelli Rearrangement: New Applications for an Intriguing Reaction

(2013) Claudia Piutti et al.   MOLECULES

Rapid and Stereoselective Synthesis of Spirocyclic Ethers via the Intramolecular Piancatelli Rearrangement

(2013) Leoni I. Palmer et al.   ORGANIC LETTERS

Aza-Piancatelli Rearrangement Initiated by Ring Opening of Donor–Acceptor Cyclopropanes

(2013) Donald R. Wenz et al.   ORGANIC LETTERS

Facile Synthesis of the Neuraminidase Inhibitor Peramivir

(2013) Fei Jia et al.   SYNTHETIC COMMUNICATIONS

The Direct Asymmetric α Alkylation of Ketones by Brønsted Acid Catalysis

(2012) Liu Song et al.   ANGEWANDTE CHEMIE-INTERNATIONAL EDITION

Facile Synthesis of 3a,6a-Dihydro-furo[2,3-b]furans and Polysubstituted Furans Involving Dearomatization of Furan Ring via Electrocyclic Ring-Closure

(2012) Biaolin Yin et al.   ORGANIC LETTERS

The Manufacture of a Homochiral 4-Silyloxycyclopentenone Intermediate for the Synthesis of Prostaglandin Analogues

(2012) Julian P. Henschke et al.   ORGANIC PROCESS RESEARCH & DEVELOPMENT

Brønsted-Acid-Catalyzed Asymmetric Multicomponent Reactions for the Facile Synthesis of Highly Enantioenriched Structurally Diverse Nitrogenous Heterocycles

(2011) Jie Yu et al.   ACCOUNTS OF CHEMICAL RESEARCH

Modulating the Acidity: Highly Acidic Brønsted Acids in Asymmetric Catalysis

(2011) Magnus Rueping et al.   ANGEWANDTE CHEMIE-INTERNATIONAL EDITION

Brønsted Acid Catalysis: Hydrogen Bonding versus Ion Pairing in Imine Activation

(2011) Matthias Fleischmann et al.   ANGEWANDTE CHEMIE-INTERNATIONAL EDITION

Core-Structure-Oriented Asymmetric Organocatalytic Substitution of 3-Hydroxyoxindoles: Application in the Enantioselective Total Synthesis of (+)-Folicanthine

(2011) Chang Guo et al.   ANGEWANDTE CHEMIE-INTERNATIONAL EDITION

Direct and Highly Diastereoselective Synthesis of Azaspirocycles by a Dysprosium(III) Triflate Catalyzed Aza-Piancatelli Rearrangement

(2011) Leoni I. Palmer et al.   ANGEWANDTE CHEMIE-INTERNATIONAL EDITION

Catalytic Nazarov Cyclization: The State of the Art

(2011) Tulaza Vaidya et al.   ChemCatChem

Asymmetric Brønsted acid catalyzed carbonyl activation – organocatalytic domino electrocyclization–halogenation reaction

(2011) Magnus Rueping et al.   CHEMICAL COMMUNICATIONS

Asymmetric electrocyclic reactions

(2011) Sam Thompson et al.   CHEMICAL SOCIETY REVIEWS

Chiral Brønsted acids in enantioselective carbonyl activations – activation modes and applications

(2011) Magnus Rueping et al.   CHEMICAL SOCIETY REVIEWS

Enantioselective Carbon-Carbon Bond Forming Reactions Catalyzed by Chiral Phosphoric Acid Catalysts

(2011) Masahiro Terada   CURRENT ORGANIC CHEMISTRY

Chiral Organic Contact Ion Pairs in Metal-Free Catalytic Asymmetric Allylic Substitutions

(2011) Magnus Rueping et al.   JOURNAL OF THE AMERICAN CHEMICAL SOCIETY

Asymmetric Nazarov cyclizations

(2011) Naoyuki Shimada et al.   TETRAHEDRON

Versatile Method for the Synthesis of 4-Aminocyclopentenones: Dysprosium(III) Triflate Catalyzed Aza-Piancatelli Rearrangement

(2010) Gesine K. Veits et al.   ANGEWANDTE CHEMIE-INTERNATIONAL EDITION

Organocatalytic asymmetric aza-Nazarov cyclization of an azirine

(2010) Naoyuki Shimada et al.   CHEMICAL COMMUNICATIONS

Synthesis and Structural Aspects ofN-Triflylphosphoramides and Their Calcium Salts-Highly Acidic and Effective Brønsted Acids

(2010) Magnus Rueping et al.   CHEMISTRY-A EUROPEAN JOURNAL

An Organocatalytic Asymmetric Nazarov Cyclization

(2010) Ashok K. Basak et al.   JOURNAL OF THE AMERICAN CHEMICAL SOCIETY

A Catalytic Asymmetric Electrocyclization-Protonation Reaction

(2009) Magnus Rueping et al.   ADVANCED SYNTHESIS & CATALYSIS

Highly Enantioselective Alkylation Reaction of Enamides by Brønsted-Acid Catalysis

(2009) Qi-Xiang Guo et al.   ORGANIC LETTERS

Asymmetric Brønsted Acid Catalyzed Nucleophilic Addition to in situ Generated Chiral N-Acyliminium Ions

(2009) Magnus Rueping et al.   SYNLETT

Catalytic Asymmetric Aminoallylation of Aldehydes: A Catalytic Enantioselective Aza-Cope Rearrangement

(2008) Magnus Rueping et al.   ANGEWANDTE CHEMIE-INTERNATIONAL EDITION

Intramuscularly administered neuraminidase inhibitor peramivir is effective against lethal H5N1 influenza virus in mice

(2008) D BOLTZ et al.   ANTIVIRAL RESEARCH

Binaphthol-derived phosphoric acid as a versatile catalyst for enantioselective carbon–carbon bond forming reactions

(2008) Masahiro Terada   CHEMICAL COMMUNICATIONS

Asymmetric Brønsted Acid Catalysis: Enantioselective Nucleophilic Substitutions and 1,4-Additions

(2007) Magnus Rueping et al.   ANGEWANDTE CHEMIE-INTERNATIONAL EDITION