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OFox imidates as versatile glycosyl donors for chemical glycosylation†
Swati S. Nigudkar,Tinghua Wang,Salvatore G. Pistorio,Jagodige P. Yasomanee,Keith J. Stine,Alexei V. Demchenko
Organic & Biomolecular Chemistry Pub Date : 10/27/2016 00:00:00 , DOI:10.1039/C6OB02230H
Abstract

Previously we communicated 3,3-difluoroxindole (HOFox) – mediated glycosylations wherein 3,3-difluoro-3H-indol-2-yl (OFox) imidates were found to be key intermediates. Both the in situ synthesis from the corresponding glycosyl bromides and activation of the OFox imidates could be conducted in a regenerative fashion. Herein, we extend this study with the main focus on the synthesis of various OFox imidates and their investigation as glycosyl donors for chemical 1,2-cis and 1,2-trans glycosylation.

Graphical abstract: OFox imidates as versatile glycosyl donors for chemical glycosylation
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