Selective mono-fluorination of diols via a cyclic acetal of N,N-diethyl-4-methoxybenzamide
作者:Mitsuhiro Suwada、Tsuyoshi Fukuhara、Shoji Hara
DOI:10.1016/j.jfluchem.2007.04.020
日期:2007.10
Selective mono-fluorination of 1,2- and 1,3-diols was achieved using N,N-diethyl-4-methoxybenzamide diethyl acetal and Et3N-3HF. The reaction proceeds through a cyclicacetal of the benzamide, and only one hydroxy group was fluorinated and another one was acylated.