Synthesis of Benzopyranopyrazoles
Corresponding Author(s) : V.N. Ingle
Asian Journal of Chemistry,
Vol. 12 No. 2 (2000): Vol 12 Issue 2
Abstract
3-Aryl-4-arylidine-5-(o-hydroxyphenyl)-pyrazoles (2) and 2,7-
diaryl-4H-1-(3,4-c)-benzopyranopyrazoles (3) are obtained by the
condensation of 2'-hydroxy-2-aroyl-3-aryl-acrylophenones and
hydrazine hydrate and oxidative cyclization of (2) with selenium
dioxide respectively. Their structures have been supported on the
basis of elemental analysis and spectral data.
Keywords
Synthesis
Benzopyranopyrazoles
(1)
Kumbhare, R.; Chinchkhede, P.; Ingle, V. Synthesis of Benzopyranopyrazoles. ajc 2010, 12, 501-505.
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