Chemistry of cyclobutene-1,2-dicarbonitrile. 2. Cycloadducts
作者:R. Lynn Cobb、John E. Mahan
DOI:10.1021/jo00435a013
日期:1977.7
[4+2]-Cycloadditionen von 1,2-Dicyanocyclobuten und seine thermische Ringöffnung zum 2,3-Dicyanobutadien-1,3
作者:Daniel Belluš、Klaus Von Bredow、Hanspeter Sauter、Claus D. Weis
DOI:10.1002/hlca.19730560839
日期:1973.12.12
Facile synthetic routes to 1,2-dicyanocyclobutene (3), cyclobutene-1,2-dicarboxylic acid (56) and derivatives thereof are presented, starting from 1,2-dicyanocyclobutane (1), a commercially available acrylonitrile cyclodimer.