期刊
SYNLETT
卷 -, 期 14, 页码 2203-2207出版社
GEORG THIEME VERLAG KG
DOI: 10.1055/s-2003-42075
关键词
n-pentenyl glycosides; thioglycosides; regioselective glycosylations; armed glycosyl donors; disarmed glycosyl donors
Experiments with n-pentenyl glycosides and thioglycosides show that protecting groups have a dominant effect in controlling regioselective glycosidations whereby the best 'match' of donor with acceptor emerges. The experiments also show that for this outcome to be observed, the armed and disarmed donors must be allowed to compete on an equal level. If this condition is not met, coupling may still occur, but it will not be the best 'match'.
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