REGIOSELECTIVE MONOALKYLATION OF THE VICINAL cis-DIOL GROUP IN MANNOPYRANOSIDES USING DIARYLDIAZOALKANES-TIN(II) CHLORIDE
Highly regioselective monoalkylations of the cis-2,3-diol group in mannopyranosides can be achieved with diaryldiazoalkanes in the presence of catalytic amounts of tin(II) chloride.With diazo(diphenyl)methane (1), its 4,4'-dimethyl (2) and 4,4'-dichloro (
Petursson, Sigthor,wEbber, John M.
p. 41 - 52
(2007/10/02)
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