Keywords deprotection;1 O alkyl 2;3 O;O isopropylidene glycerol ether;1 O alkyl 2 O acetyl 3 O trityl glycerol ether;iodine/methanol system;iodine/water/THF;

• 去保护;1烷氧基2;3异丙叉甘油醚;1烷氧基2乙酰氧基3三苯甲氧基甘油醚;碘甲醇体系;碘水四氢呋喃体系;