Oxidant-Controlled Heck-Type C-Glycosylation of Glycals with Arylboronic Acids: Stereoselective Synthesis of Aryl 2-Deoxy-C-glycosides
Organic Letters2009Vol. 11(8), pp. 1709–1712
Citations Over TimeTop 10% of 2009 papers
Abstract
Oxidative Heck-type C-glycosylations of glycals with various arylboronic acids using Pd(OAc)(2) as catalyst in the presence of oxidant were developed. The corresponding ketone, enol ether, and enone types of C-glycosides were predictably obtained with benzoquinone (BQ), Cu(OAc)(2)/O(2), and 2,3-dichloro-5,6-dicyano-1,4-benzoquinone (DDQ) as oxidants, respectively. This method provides a simple, mild, and stereoselective synthesis of aryl 2-deoxy-C-glycosides.
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