2-Cyano-N′-[(1,3-diphenyl-1H-pyrazol-4-yl)methylidene]acetohydrazide in the Synthesis of Nitrogen Heterocycles


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Abstract

Some interesting nitrogen heterocycles, as well as other products, were synthesized by reactions of 2-cyano-N′-[(1,3-diphenyl-1H-pyrazol-4-yl)methylidene]acetohydrazide with phenyl isothiocyanate/elemental sulfur, 3,4,5-trimethoxybenzaldehyde, 4-hydroxy-1,1′-biphenyl-3-carbaldehyde, 2-oxoquinoline-3-caraldehyde, triethyl orthoformate, ethyl cyanoacetate, and thiosemicarbazide. The structures of all isolated compounds were established from their analytical and spectral data.

About the authors

S. K. Ramadan

Chemistry Department, Faculty of Science

Author for correspondence.
Email: sayed.karam2008@sci.asu.edu.eg
Egypt, Abassia, Cairo, 11566

E. A. E. El-Helw

Chemistry Department, Faculty of Science

Email: sayed.karam2008@sci.asu.edu.eg
Egypt, Abassia, Cairo, 11566

M. E. Azab

Chemistry Department, Faculty of Science

Email: sayed.karam2008@sci.asu.edu.eg
Egypt, Abassia, Cairo, 11566

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