An efficient and versatile synthesis of apiose and some C-1-aldehyde- and/or 2,3-O-protected derivatives
作者:Miroslav Koóš、Júlia Mičová、Bohumil Steiner、Juraj Alföldi
DOI:10.1016/s0040-4039(02)01084-5
日期:2002.7
The synthesis of 2,3-O-isopropylidene-β-d-apiofuranose (58% overall yield) from l-arabinose via 3-C-(hydroxymethyl)-2,3-O-isopropylidene-d-glycero-tetrose diethyl dithioacetal is reported. Starting from l-arabinose an alternative precursor of d-apiose, 3-C-(hydroxymethyl)-2,3-O-isopropylidene-d-glycero-tetrose dimethyl acetal, was prepared from 2,3-O-isopropylidene-l-threo-tetrodialdose dimethyl acetal
通过3- C-(羟甲基)-2,3 - O-异亚丙基-d-甘油-四糖二乙基二硫缩醛由1-阿拉伯糖合成2,3 - O-异亚丙基-β-d-呋喃呋喃糖(总收率58%)被报道。从1-阿拉伯糖开始,由2,3 - O-异亚丙基-1- β制备d-apiose的另一种前体,即3- C-(羟甲基)-2,3 - O-异亚丙基-d-甘油-蔗糖二甲基乙缩醛。苏-tetrodialdose二甲基乙缩醛和醛醇缩合-坎尼扎罗反应的甲醛。酸水解时,两种前体都可以得到未保护的d-apiose。