Regioselective Mono-Deprotection of Di-<i>tert</i>-butylsilylene Acetal Derived from 1,3-Diol with Ammonium Fluoride
作者:Masaki Ohtawa、Hiroshi Tomoda、Tohru Nagamitsu
DOI:10.1246/bcsj.20130237
日期:2014.1.15
Here we report a novel and efficient method for the regioselective mono-deprotection of di-tert-butylsilylene acetals derived from 1,3-diols consisting of primary and secondary alcohols. The ammonium fluoride-mediated reactions of pyripyropene A derivative, thymidine and uridine derivatives, methyl β-d-glucofuranoside, and pyranoside derivatives each gave the corresponding primary alcohol with high regioselectivity.
在这里,我们报告了一种新颖且高效的方法,针对由含有初级和次级醇的1,3-二醇衍生的二叔丁基硅烷醛进行区域选择性的单去保护。氟化铵介导的反应中,吡啶吡喹烯A衍生物、胸苷和尿苷衍生物、甲基β-d-葡萄糖呋喃苷以及吡喃苷衍生物均以高区域选择性生成相应的初级醇。