3-(4-Nitrophenyl)prop-2-enal → (E,E)-2-(3,4-Dihydroxybenzylaminocarbonyl)-3-(4-nitrostyryl)acrylonitrile

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Reaction Steps

The compound was prepared as described in Example 3 by adding 4-nitrocinnamaldehyde (0.009 g, 0.05 mmol) to N-(cyanoacetyl)3,4-dihydroxybenzylamide (Example 2, 0.010 g, 0.05 mmol). After refluxing for 2 h and recrystallization from ethanol a yellow solid was obtained (0.007 g, 39%). The product gave the following analytical data:

Provenance & Evidence