Schiff bases. Part III. Amine and ketone exchange reactions with Schiff bases
Abstract
Certain ketimines of the type R12 C
N–CHR22 undergo amine exchange when heated with diphenylmethylamine to give the ketimines R12C
N–CHPh2, which rearrange to the tautomers R12CH–N
CPh2. These undergo a second amine exchange with the production of N-(diphenylmethylene)diphenylmethylamine. The same compound is obtained from the ketone exchange reaction of the ketimines R12C
N–CHPh2 with benzophenone.
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