A novel and efficient Pd-catalyzed one-pot reaction of ethyl diazoacetate, isocyanides, and imines for the synthesis of acrylamidines was developed. The multicomponent reaction may have occurred through an unpredicted ring-opening process of the ketenimine–imine [2+ 2]
[Braun, Thomas P.; Gutsch, Paul A.; Zimmer, Hans Zeitschrift fur Naturforschung - Section B Journal of Chemical Sciences, 1999 , vol. 54, # 7 p. 858 - 862]
[Braun, Thomas P.; Gutsch, Paul A.; Zimmer, Hans Zeitschrift fur Naturforschung - Section B Journal of Chemical Sciences, 1999 , vol. 54, # 7 p. 858 - 862]