Scandium trifluoromethanesulfonate as an extremely active Lewis acid catalyst in acylation of alcohols with acid anhydrides and mixed anhydrides

被引：448

作者：

Ishihara, K ^{[1
]}

Kubota, M ^{[1
]}

Kurihara, H ^{[1
]}

Yamamoto, H ^{[1
]}

机构：

[1] NAGOYA UNIV, GRAD SCH ENGN, CHIKUSA KU, NAGOYA, AICHI 46401, JAPAN

来源：

JOURNAL OF ORGANIC CHEMISTRY | 1996年 / 61卷 / 14期

关键词：

D O I：

10.1021/jo952237x

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

Scandium trifluoromethanesulfonate (triflate), which is commercially available, is a practical and useful Lewis acid catalyst for acylation of alcohols with acid anhydrides or the esterification of alcohols by carboxylic acids in the presence of p-nitrobenzoic anhydrides. The remarkably high catalytic activity of scandium triflate can be used for assisting the acylation by acid anhydrides of not only primary alcohols but also sterically-hindered secondary or tertiary alcohols. The method presented is especially effective for selective macrolactonization of omega-hydroxy carboxylic acids.

引用

页码：4560 / 4567

页数：8

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