Squaramides: Bridging from Molecular Recognition to Bifunctional Organocatalysis

A Bifunctional Cinchona Alkaloid-Squaramide Catalyst for the Highly Enantioselective Conjugate Addition of Thiols to trans-Chalcones

(2010) Le Dai et al.   ADVANCED SYNTHESIS & CATALYSIS

Catalytic Asymmetric Direct Henry Reaction of Ynals: Short Syntheses of (2S,3R)-(+)-Xestoaminol C and (−)-Codonopsinines

(2010) Daisuke Uraguchi et al.   ANGEWANDTE CHEMIE-INTERNATIONAL EDITION

Development of Chiral Thiourea Catalysts and Its Application to Asymmetric Catalytic Reactions

(2010) Yoshiji Takemoto   CHEMICAL & PHARMACEUTICAL BULLETIN

Squaramide-catalyzed enantioselective Friedel–Crafts reaction of indoles with imines

(2010) Yong Qian et al.   CHEMICAL COMMUNICATIONS

Organocatalytic asymmetric direct vinylogous aldol reactions of γ-crotonolactone with aromatic aldehydes

(2010) Sunil V. Pansare et al.   CHEMICAL COMMUNICATIONS

Chiral phosphine-squaramides as enantioselective catalysts for the intramolecular Morita–Baylis–Hillman reaction

(2010) Hong-Liang Song et al.   CHEMICAL COMMUNICATIONS

Chiral Squaramides as Highly Enantioselective Catalysts for Michael Addition Reactions of 4-Hydroxycoumarins and 4-Hydroxypyrone to β,γ-Unsaturated α-Keto Esters

(2010) Dan-Qian Xu et al.   CHEMISTRY-A EUROPEAN JOURNAL

The Squaramide versus Urea Contest for Anion Recognition

(2010) Valeria Amendola et al.   CHEMISTRY-A EUROPEAN JOURNAL

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

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

Highly Enantioselective Michael Addition of Nitroalkanes to Chalcones Using Chiral Squaramides as Hydrogen Bonding Organocatalysts

(2010) Wen Yang et al.   ORGANIC LETTERS

Enantioselective α-Amination of 1,3-Dicarbonyl Compounds Using Squaramide Derivatives as Hydrogen Bonding Catalysts

(2010) Hideyuki Konishi et al.   ORGANIC LETTERS

Squaramide-Catalyzed Enantioselective Michael Addition of Diphenyl Phosphite to Nitroalkenes

(2009) Ye Zhu et al.   ANGEWANDTE CHEMIE-INTERNATIONAL EDITION

Bicyclic-guanidines, -guanidinates and -guanidinium salts: wide ranging applications from a simple family of molecules

(2009) Martyn P. Coles   CHEMICAL COMMUNICATIONS

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

(2009) Zhiguo Zhang et al.   CHEMICAL SOCIETY REVIEWS

Physical Organic Study of Structure–Activity–Enantioselectivity Relationships in Asymmetric Bifunctional Thiourea Catalysis: Hints for the Design of New Organocatalysts

(2009) Xin Li et al.   CHEMISTRY-A EUROPEAN JOURNAL

Simple Cyclohexanediamine-Derived Primary Amine Thiourea Catalyzed Highly Enantioselective Conjugate Addition of Nitroalkanes to Enones

(2009) Kui Mei et al.   ORGANIC LETTERS

Discovery and Application of Asymmetric Reaction by Multi-Functional Thioureas

(2008) Hideto Miyabe et al.   BULLETIN OF THE CHEMICAL SOCIETY OF JAPAN

Asymmetric catalysis with bifunctional cinchona alkaloid-based urea and thiourea organocatalysts

(2008) Stephen J. Connon   CHEMICAL COMMUNICATIONS

Hydrogen-Bond-Mediated Asymmetric Catalysis

(2008) Xinhong Yu et al.   Chemistry-An Asian Journal

Crystallographic and Theoretical Evidence of Anion–π and Hydrogen-Bonding Interactions in a Squaramide–Nitrate Salt

(2008) Carmen Rotger et al.   EUROPEAN JOURNAL OF ORGANIC CHEMISTRY

Squaramide Hydroxamate-Based Chemidosimeter Responding to Iron(III) with a Fluorescence Intensity Increase

(2008) Nathaniel C. Lim et al.   INORGANIC CHEMISTRY

Enantioselective Diels−Alder Reaction of Simple α,β-Unsaturated Ketones with a Cinchona Alkaloid Catalyst

(2008) Ravi P. Singh et al.   JOURNAL OF THE AMERICAN CHEMICAL SOCIETY

Chiral Squaramide Derivatives are Excellent Hydrogen Bond Donor Catalysts

(2008) Jeremiah P. Malerich et al.   JOURNAL OF THE AMERICAN CHEMICAL SOCIETY

Catalytic Asymmetric Conjugate Addition of Simple Alkyl Thiols to α,β-UnsaturatedN-Acylated Oxazolidin-2-ones with Bifunctional Catalysts

(2008) Yan Liu et al.   JOURNAL OF THE AMERICAN CHEMICAL SOCIETY

Selective sensing of competitive anions by non-selective hosts: the case of sulfate and phosphate in water

(2008) M. Neus Piña et al.   NEW JOURNAL OF CHEMISTRY

Carbonyl Groups as Molecular Valves to Regulate Chloride Binding to Squaramides

(2008) Vijayakumar Ramalingam et al.   ORGANIC LETTERS