Morpholinosulfur Trifluoride (Morph-DAST)-Mediated Rearrangement in the Fluorination of Cyclic α,α-Dialkoxy Ketones toward 1,2-Dialkoxy-1,2-difluorinated Compounds
作者:Riccardo Surmont、Guido Verniest、Alex De Groot、Jan Willem Thuring、Norbert De Kimpe
DOI:10.1002/adsc.201000466
日期:2010.11.2
The deoxofluorination of cyclicα,α-dialkoxyketones with morpholinosulfurtrifluoride (Morph-DAST) resulted in 1,2-dialkoxy-1,2-difluorinated carbo- and heterocyclic compounds. The reaction proceeds via a 1,2-alkoxy migration leading to mixtures of cis- and trans-isomers.