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

An Organocatalytic Asymmetric Allylic Alkylation Allows Enantioselective Total Synthesis of Hydroxymetasequirin-A and Metasequirin-B Tetramethyl Ether Diacetates

(2014) Pu-Sheng Wang et al.   ORGANIC LETTERS

N-Heterocyclic Carbene Catalyzed [4+3] Annulation of Enals ando-Quinone Methides: Highly Enantioselective Synthesis of Benzo-ε-Lactones

(2013) Hui Lv et al.   ANGEWANDTE CHEMIE-INTERNATIONAL EDITION

A Dual Lewis Base Activation Strategy for Enantioselective Carbene-Catalyzed Annulations

(2013) Javier Izquierdo et al.   JOURNAL OF THE AMERICAN CHEMICAL SOCIETY

Hetero Diels–Alder reaction of olefin with o-quinone methides generated using (±)-binolphosphoric acid for the stereoselective synthesis of 2,4-diarylbenzopyrans: application to the formal synthesis of myristinin B/C

(2013) Santosh J. Gharpure et al.   RSC Advances

ortho-Quinone Methides in Natural Product Synthesis

(2012) Nicky J. Willis et al.   CHEMISTRY-A EUROPEAN JOURNAL

Facile construction of densely functionalized 4H-chromenes via three-component reactions catalyzed by l-proline

(2012) Minghao Li et al.   GREEN CHEMISTRY

Enantioselective Addition of Boronates to o-Quinone Methides Catalyzed by Chiral Biphenols

(2012) Yi Luan et al.   JOURNAL OF THE AMERICAN CHEMICAL SOCIETY

Palladium(II)-Catalyzed Enantio- and Diastereoselective Synthesis of Pyrrolidine Derivatives

(2012) Ranjan Jana et al.   ORGANIC LETTERS

Modulating the Acidity: Highly Acidic Brønsted Acids in Asymmetric Catalysis

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

An unusual Me3SiI-promoted [4+2] annulation and reduction: an efficient approach to construct 4H-benzopyrans

(2011) Feijun Wang et al.   CHEMICAL COMMUNICATIONS

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

(2011) Magnus Rueping et al.   CHEMICAL SOCIETY REVIEWS

Applications ofortho-Quinone Methide Intermediates in Catalysis and Asymmetric Synthesis

(2011) Tejas P. Pathak et al.   JOURNAL OF 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

Cu(I)-Catalyzed Domino Reactions: Efficient and Selective Synthesis of 4H-Chromenes and Naphthalenes

(2011) Chandi C. Malakar et al.   ORGANIC LETTERS

Organocatalytic Asymmetric Synthesis of Functionalized 4H-Chromenes via a One-Pot Domino Michael-Hemiacetalization and Dehydration Sequence

(2011) Dieter Enders et al.   SYNTHESIS-STUTTGART

Synthesis of 4-Hydroxy-4H-chromenes by Reaction of Salicylic Aldehydes with Alkynals Catalyzed by Silyl Prolinol Ethers

(2011) José Alemán et al.   SYNTHESIS-STUTTGART

One-Pot Synthesis of Polyfunctionalized 4H-Chromenes and Dihydrocoumarins Based on Copper(II) Bromide-Catalyzed CC Coupling of Benzylic Alcohols with Ketene Dithioacetals

(2010) Deqiang Liang et al.   ADVANCED SYNTHESIS & CATALYSIS

Iminium-Allenamine Cascade Catalysis: One-Pot Access to Chiral 4H-Chromenes by a Highly Enantioselective Michael-Michael Sequence

(2010) Xinshuai Zhang et al.   ANGEWANDTE CHEMIE-INTERNATIONAL EDITION

Chiral Phosphoric Acids as Versatile Catalysts for Enantioselective Carbon–Carbon Bond Forming Reactions

(2010) Masahiro Terada   BULLETIN OF THE CHEMICAL SOCIETY OF JAPAN

Gold(III)-Catalyzed Tandem Reaction of Ketones with Phenols: Efficient and Highly Selective Synthesis of Functionalized 4H-Chromenes

(2010) Yunkui Liu et al.   JOURNAL OF ORGANIC CHEMISTRY

Advancing the Mechanistic Understanding of an Enantioselective Palladium-Catalyzed Alkene Difunctionalization Reaction

(2010) Katrina H. Jensen et al.   JOURNAL OF THE AMERICAN CHEMICAL SOCIETY

Synthesis and Preliminary Biological Studies of 3-Substituted Indoles Accessed by a Palladium-Catalyzed Enantioselective Alkene Difunctionalization Reaction

(2010) Tejas P. Pathak et al.   JOURNAL OF THE AMERICAN CHEMICAL SOCIETY

Tris(pentafluorophenyl)borane-Catalyzed Alkylation of 1,3-Dicarbonyl Compounds with Benzylic Alcohols: Access to Oxygenated Heterocycles

(2010) Chada Reddy et al.   SYNTHESIS-STUTTGART

Chiral Phosphoric Acids as Versatile Catalysts for Enantioselective Transformations

(2010) Masahiro Terada   SYNTHESIS-STUTTGART

Gold(I)-Catalyzed Enantioselective Synthesis of BenzopyransviaRearrangement of Allylic Oxonium Intermediates

(2009) Minoru Uemura et al.   JOURNAL OF THE AMERICAN CHEMICAL SOCIETY

Palladium-Catalyzed Enantioselective Addition of Two Distinct Nucleophiles across Alkenes Capable of Quinone Methide Formation

(2009) Katrina H. Jensen et al.   JOURNAL OF THE AMERICAN CHEMICAL SOCIETY

Asymmetric synthesis of chiral chromans

(2009) Hong C. Shen   TETRAHEDRON

Brönsted acid ionic liquid-catalyzed direct benzylation, allylation and propargylation of 1,3-dicarbonyl compounds with alcohols as well as one-pot synthesis of 4H-chromenes

(2009) Kazumasa Funabiki et al.   TETRAHEDRON

Facile construction of functionalized 4H-chromene via tandem benzylation and cyclization

(2008) Jinmin Fan et al.   CHEMICAL COMMUNICATIONS

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

(2008) Masahiro Terada   CHEMICAL COMMUNICATIONS

Multi-catalysis reactions: direct organocatalytic sequential one-pot synthesis of highly functionalized cyclopenta[b]chromen-1-ones

(2008) Dhevalapally B. Ramachary et al.   ORGANIC & BIOMOLECULAR CHEMISTRY

Asymmetric Cycloadditions ofo-Quinone Methides Employing Chiral Ammonium Fluoride Precatalysts

(2008) Ethan Alden-Danforth et al.   ORGANIC LETTERS

sHA 14-1, a stable and ROS-free antagonist against anti-apoptotic Bcl-2 proteins, bypasses drug resistances and synergizes cancer therapies in human leukemia cell

(2007) Defeng Tian et al.   CANCER LETTERS