The Bromodiazirinyl Anion: A Weakly Bound Complex of Diazirinylidene and a Bromide Ion
作者:Tomáš Martinů、Stanislav Böhm、Eva Hanzlová
DOI:10.1002/ejoc.201100529
日期:2011.11
3-bromodiazirine-3-carboxylates by sodium n-butoxide in DMF, affording high yields of dibutyl carbonates, may proceed by nucleophilic acyl displacement of the bromodiazirinylanion, a weaklyboundcomplex of a cyclic carbene c-CN2 (diazirinylidene) and a bromideion. We explain the formation of substantial amounts of di-n-butoxymethane in the presence of n-butanol by a sequence of O–H insertion and denitrogenation