Reaction of tert-butylcyanoketene with tertiary amines. Synthesis of 1,3-di-tert-butyl-1,3-dicyanoallene
作者:Harold W. Moore、Warren G. Duncan
DOI:10.1021/jo00941a036
日期:1973.1
Azetidines and 1-pyrrolines from an electron-deficient allene and C N compounds
作者:E. Schaumann、H. Mrotzek
DOI:10.1016/0040-4020(79)85055-3
日期:1979.1
cycloadditions of 1,3-di-t-butylallene-1,3-dicarbonitrile (3) to azomethines or an acyclic amidine afford 2-alkylidene azetidines 12, 19. In the reaction of 3 with the 3-dimethylamino-2H-azirine 20 the 1,2 bond of the 3-membered ring is cleaved to give the stereoisomeric 1-pyrrolines 23.