Action of Higher Diazoalkanes on 4-Nitrocinnamoyl Chloride

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The reaction of 4-Nitro cinnamoyl chloride (1 mol) with higher diazoalkanes (2 and 4) give a 1-diazo-1-n-alkyl-4-nitro phenyl-3-butenone and 4-nitrophenyl-3-n-alkyl-diazoacetyl-5-n-alkyl-pyrazoline are discussed.

Diazolkanes; 4-nitrocinnamoyl chloride