1 烷氧基 2 乙酰氧基 3 三苯甲氧基甘油醚与碘 /甲醇体系反应 ,在 6 0℃时 ,同时发生了脱三苯甲基及乙酰基 ,在室温下 ,仅脱三苯甲基 ,但乙酰基在反应过程中发生了部分转移 ,产生了两个异构体 .碘 /甲醇体系与 1 烷氧基 2 ,3 异丙叉甘油醚反应 ,高收率地生成 1 烷氧基甘油 .脱保护机理是一个酸催化过程 ,据此提出并证实了碘水四氧呋喃体系同样能进行上述脱保护反应 1 alkoxy 2 acetoxy 3 trityl glyceryl ether reaction with iodine / methanol system, at 60 ° C at the same time de-trityl and acetyl, at room temperature, only de-triphenylmethyl But the acetyl group was partly transferred during the reaction to give two isomers.The iodine / methanol system reacted with 1-alkoxy 2, 3-isopropylidene glyceryl ether to give 1-alkoxy Glycerol. Deprotection mechanism is an acid catalysis process, it is proposed and confirmed that the iodine-water-tetrahydrofuran system can also carry out the above deprotection reaction