Synthesis of 2-Amino-2-deoxy-α-D-altrofuranoside Derivatives from 2,3-<i>O</i>-Isopropylidene-D-glyceraldehyde via Bicyclic β-Lactam Intermediates
作者:Masao Shiozaki、Noboru Ishida、Sadao Sato
DOI:10.1246/bcsj.62.3950
日期:1989.12
A bicyclic β-lactam (4), obtained from 2,3-O-isopropylidene-D-glyceraldehyde in 3 steps, was converted to methyl 2-benzamido-2-deoxy-5,6-O-isopropylidene-3-O-(3-chlorobenzoyl)-α-D-altrofuranoside (24) through an additional 8 steps by utilizing the β-lactam nitrogen via the oxidative decarboxylation of diacyl peroxide (23). Additionally, it was shown that the bicyclic β-lactam intermediate is a suitable
由 2,3-O-isopropylidene-D-甘油醛分 3 个步骤获得的双环 β-内酰胺 (4) 被转化为甲基 2-benzamido-2-deoxy-5,6-O-isopropylidene-3-O- (3-氯苯甲酰基)-α-D-呋喃糖苷 (24) 通过额外的 8 个步骤,通过二酰基过氧化物 (23) 的氧化脱羧利用 β-内酰胺氮。此外,研究表明双环 β-内酰胺中间体是 2-amino-3-(branched-chain)-2-deoxy-D-furanoside 衍生物的合适前体。