期刊
SYNTHESIS-STUTTGART
卷 -, 期 20, 页码 3531-3534出版社
GEORG THIEME VERLAG KG
DOI: 10.1055/s-2005-918489
关键词
indigo; N-heterocycles; rearrangements; regioselectivity
The first and surprisingly simple synthesis of N-indigoglycosides has been accomplished based on glycosylation of N-benzylindigo with tri-O-pivaloyl-alpha-L-rhamnosyl trichloroacetimidate and subsequent rearrangement of the O- into the N-glycoside. N-Indigoglycosides are of considerable pharmacological relevance and occur in cancerostatic natural akashines.
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