Reactions of amines or amides with phthaloyl chloride. Synthesis of flourine-containing N,N-dimethyl-N′-substituted amidines and related compounds

Add time:08/14/2019    Source:sciencedirect.com

The appropriate diamines reacted with phthaloyl chloride to yield 1,2-bis(2-N,N-dimethylaminomethyleneamino-4-trifluoromethylphenylthio)ethane and 1,2-bis[2′-(3″-phthaleneamino)- 4′-trifluoro-methylphenylthio]ethane. Similarly, 2,6-dinitro-4- trifluoromethylaniline gave N,N-dimethyl-N′-(2,6-dinitro-4- trifluoromethylphenyl)formamidine. 2-Fluorobenzoic hydrazide and 2,6-difluorobenzamide gave 3-hydro-2-(2′-fluorobenzoyl)- 1,4-phthalazinedione and N-(2,6-difluorobenzoyl)phthalimide. A single crystal of (3) was monoclinic, and a trans configuration about the CN bond was determined by X-ray analysis.

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