Flash vacuum pyrolysis of 3-oxo-2-arylhydrazonopropanals and related derivatives

Add time:08/28/2019    Source:sciencedirect.com

Flash vacuum pyrolysis (FVP) of 3-oxo-2-arylhydrazonopropanals at 500°C and 0.02 Torr yielded the corresponding derivatives of anilines, N-formylanilines, N-benzoylanilines and benzoylnitriles. Similar FVP of phenylhydrazonomalononitrile, phenylhydrazonoacetylacetone and phenylhydrazono ethyl cyanoacetate gave aniline in addition to N-cyanoaniline and 3,6-dicyano-1,4-diphenyl-1,2,4,5-tetrazine, acetanilide, N-methylacetanilide, pyruvonitrile and N-phenylurethane.

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