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Bulletin of the Korean Chemical Society (BKCS)

ISSN 0253-2964(Print)
ISSN 1229-5949(Online)
Volume 13, Number 3
BKCSDE 13(3)
March 20, 1992

Title	Synthesis of Eudistomins(Ⅰ). Preparation of (±)-N(10)-Benzyloxycarbonyldebromoedudistomin
Author	Byung Hee Yoon*, Hak Soo Lyu, Jee Hyun Hahn, Chan Mug Ahn
Keywords
Abstract	Four plausible precursors (21, 22, 24, and 25), just prior to formation of the oxathiazepine ring in eudistomin, were synthesized by the Pictet-Spengler condensation of N-hydroxytryptamine (15) or N-hydroxytryptophan ester (19) with cysteinal derivatives (5 and 10). In the case of the parent compound (21), one of these four precursors, treatment with dihalomethane in the presence of a phase transfer catalyst gave an eudistomin analogue (26) having the oxathiazepine ring in 35-50% yield.
Page	290 - 296
Full Text	PDF

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