N-haloamidines. VI. Reaction of n-chloro-n'-benzenesulfonylbenzamidines with enamines

Add time:08/23/2019    Source:sciencedirect.com

The reaction between N-chloro-N'-benzenesulfonylbenzamidines and ß,ß-disubstituted enamines affords N-(benzenesulfonyl)-N'- [(2-chloro-2-substituted-l-amino)-propyl]-benzamidines. When both ß-substi tuents are methyl groups the open chain adducts have been isolated and characterized; whereas, when one of the two substituents is a phenyl group, they have been characterized only by PMR because of the easy cyclization to 1-benzenesulfonyl-4, 5-dihydroimidazoles.

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