1,8-Diazabicyclo[5.4.0]undec-7-ene as a difunctional nucleophile
Abstract
DBU 1 reacts as a (1,3) difunctional nucleophile with 2-H heptafluorobut-2-ene 2, giving the unusual product 8; a mechanism for the formation of 8 is proposed and an X-ray crystal structure of 8 is described.