Stereospecific 1,2-ethyl(phenyl)thio group migration in sugars: stereocontrolled synthesis of precursors to α- and β-2-deoxyglycosides-Science-Chemical Encyclopedia-lookchem

Stereospecific 1,2-ethyl(phenyl)thio group migration in sugars: stereocontrolled synthesis of precursors to α- and β-2-deoxyglycosides
Add time:07/16/2019 Source:sciencedirect.com

Iodonium ion (NIS/TfOH, cat.) assisted glycosylation of a sugar acceptor with properly protected enthyl(phenyl)-2-O-phenoxythiocarbonyl 1-thio-β-d-gluco- or 1-thio-α-d-mannopyranoside donors gives the respective 1,2-trans linked 2′-ethyl(phenyl)thio-2′-deoxy-α-d-manno- or β-d-glucopyranosides.

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