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Dynamic Kinetic Asymmetric Transformation (DYKAT) by Combined Amine- and Transition-Metal-Catalyzed Enantioselective Cycloisomerization
Journal article   Peer reviewed

Dynamic Kinetic Asymmetric Transformation (DYKAT) by Combined Amine- and Transition-Metal-Catalyzed Enantioselective Cycloisomerization

Gui-Ling Zhao, Farman Ullah, Luca Deiana, Shuangzheng Lin, Qiong Zhang, Junliang Sun, Ismail Ibrahem, Pawel Dziedzic and Armando Cordova
Chemistry : a European journal, Vol.16(5), pp.1585-1591
01/02/2010
PMID: 20039352

Abstract

Chemistry Chemistry, Multidisciplinary Physical Sciences Science & Technology
The first examples of one-pot highly chemo- and enantioselective dynamic kinetic asymmetric transformations (DYKATs) involving alpha,beta-unsaturated aldehydes and proparaylated carbon acids are presented. These DYKATs, which proceed by a combination of catalytic iminium activation, enamine activation, and Pd-0-catalyzed enyne cycloisomerization, give access to functionalized cyclopentenes wit. It up to. 99% ee and can be used for the generation of all-carbon quaternary stereocenters

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