Results 231 to 240 of about 187,468 (290)

Cinchona Alkaloid Systems

2012
S. Chen, E. C. Salo, N. J. Kerrigan
openaire   +1 more source

Syntheses in the cinchona alkaloid series

Journal of the American Chemical Society, 1970
M, Gates, B, Sugavanam, W L, Schreiber
openaire   +2 more sources

Asymmetric tandem Michael addition/oxidation of pyrazolones with p-benzoquinone catalyzed by cinchona alkaloids

, 2015
Yuli He, Xiaoze Bao, Jingping Qu, Baomin Wang   +3 more
semanticscholar   +1 more source

Combined use of [TBA][L-ASP] and hydroxypropyl-β-cyclodextrin as selectors for separation of Cinchona alkaloids by capillary electrophoresis.

Analytical Biochemistry, 2014
Yu Zhang, Haixia Yu, Yujiao Wu, Wenyan Zhao, Min Yang, Huanwang Jing, Anjia Chen   +6 more
semanticscholar   +1 more source

Highly enantioselective Michael addition of diethyl malonate to chalcones catalyzed by cinchona alkaloids-derivatived bifunctional tertiary amine-thioureas bearing multiple hydrogen-bonding donors.

Organic and biomolecular chemistry, 2014
Yulong Liu, Xie Wang, Xiaoyun Wang, Wei He   +3 more
semanticscholar   +1 more source

Catalytic Performance of Silica Supported Cinchona Alkaloids as Heterogeneous Catalysts for Asymmetric Michael Reaction

Catalysis Letters, 2014
Wenshan Zhao, Yanli Zhang, Chengke Qu, Lei Zhang, Jing Wang, Yuan-chen Cui   +5 more
semanticscholar   +1 more source

Catalytic Enantioselective Michael Addition of 1‐Fluorobis(phenylsulfonyl)methane to α,β‐Unsaturated Ketones Catalyzed by Cinchona Alkaloids

Angewandte Chemie - International Edition, 2008
Norio Shibata, Satoshi Mizuta, Shuichi Nakamura   +2 more
exaly  

Asymmetric organocatalysis mediated by primary amines derived from cinchona alkaloids: recent advances

, 2014
Jindian Duan, Pengfei Li
semanticscholar   +1 more source

Nucleophilic Addition of Organometallic Reagents to Cinchona Alkaloids: Simple Access to Diverse Architectures

Angewandte Chemie - International Edition, 2007
Lukas Hintermann, Ulli Englert
exaly  

Chapter 6 Cinchona Alkaloids

1989
Robert Verpoorte, Jan Schripsema, Theo van der Leer   +2 more
openaire   +1 more source