Bi(III) SALTS AS NEW CATALYSTS FOR THE SELECTIVE CONVERSION OF TRIMETHYLSILYL AND TETRAHYDROPYRANYL ETHERS TO THEIR CORRESPONDING ACETATES AND FORMATES
作者:I. Mohammadpoor-Baltork、A. R. Khosropour
DOI:10.1081/scc-120006016
日期:2002.1
ABSTRACT Bi(III) salts such as BiCl3, Bi(TFA)3 and Bi(OTf)3 were found to be efficient catalysts for the transformation of trimethylsilyl (TMS) and tetrahydropyranyl (THP) ethers to their corresponding acetates and formates with acetic acid and ethyl formate. Selective acetylation and formylation of TMS and THP ethers of alcohols in the presence of phenolic TMS and THP ethers make this method a useful and
摘要 Bi(III) 盐如 BiCl3、Bi(TFA)3 和 Bi(OTf)3 被发现是将三甲基甲硅烷基 (TMS) 和四氢吡喃基 (THP) 醚与乙酸转化为相应的乙酸酯和甲酸酯的有效催化剂和甲酸乙酯。在酚类 TMS 和 THP 醚存在下,TMS 和醇的 THP 醚的选择性乙酰化和甲酰化使该方法成为有机合成中有用且实用的方法。