Synthesis of propyl 4-O-(3,6-di-O-methyl-β-d-glucopyranosyl)-2,3-di-O-methyl-α-d-rhamnopyranoside
作者:Jill Gigg、Roy Gigg、Sheila Payne、Robert Conant
DOI:10.1016/s0008-6215(00)90758-4
日期:1985.8
Abstract Partial hydrolysis of allyl 2,3:4,6-di- O -isopropylidene-α- d -mannopyranoside gave allyl 2,3- O -isopropylidene-α- d -mannopyranoside which was converted into allyl 2,3- O -isopropylidene-α- d -rhamnopyranoside by reduction of the 6- O -tosyl derivative with lithium aluminium hydride. Condensation of allyl 2,3- O -isopropylidene-α- d -rhamnopyranoside with 2,4-di- O -acetyl-3,6-di- O -methyl-α-
摘要2,3:4,6-二-O-异亚丙基-α-d-甘露吡喃糖苷烯丙基的部分水解得到烯丙基2,3-O-异亚丙基-α-d-甘露吡喃糖苷,其转化为烯丙基2,3-O-通过用氢化锂铝还原6-O-甲苯磺酰基衍生物,得到异亚丙基-α-d-鼠李吡喃糖苷。汞存在下,2,3-O-异亚丙基-α-d-鼠李吡喃糖苷烯丙基与2,4-二-O-乙酰基-3,6-二-O-甲基-α-d-吡喃葡萄糖酰氯的缩合反应(II)氰化物得到结晶的β-连接的二糖,将其转化为标题化合物。