Novel generation of azomethine imines from α-silylnitrosamines by 1,4- silatropic shift and their cycloaddition

Article abstract of DOI:10.1016/S0040-4039(99)01859-6

Novel and facile generation of azomethine imines from α- silylnitrosamines and subsequent cycloaddition with dipolarophiles leading to a variety of pyrazole derivatives have been developed. The key to the reaction is a 1,4-silatropic shift caused by stron