Conformational aspects of diethyl 2-[3-{2-(aminocarbonyl)hydrazono}-1-(4-methoxyphenyl)-3-phenylpropyl]malonate-NMR and X-ray studies

The conformational features of diethyl 2-[3-{2-(aminocarbonyl)hydrazono}-1-(4-methoxyphenyl)-3-phenylpropyl]malonate are analysed in solid and solution states in the light of the diastereotopic characteristics, and compared with that of {3-[4-(N,N-dimethylamino)phenyl]-1-(4-methylphenyl)-3-(phenylsulfanyl)propylidene} semicarbazide.