Canadian Journal of Chemistry

Photochemical and thermal rearrangements of some 3 H-pyrazoles

WJ Leigh, DR Arnold

Index: Perez-Aguilar, M. Carmen; Valdes, Carlos Angewandte Chemie - International Edition, 2013 , vol. 52, # 28 p. 7219 - 7223 Angew. Chem., 2013 , vol. 125, # 28 p. 7360 - 7364,5

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Citation Number: 13

Abstract

... VOL. ... d,g. The usual Hammett plot of equilibrium constant (K = [1,5-isomer]/ [l,3-isomer]) as a function of o, for the substituents (H, OMe, CN) on the 3(5)-aryl group reveals a linear relation- ship with slope p = +0.78 (correlation ... Yield from the pyrazoline was 52% (bp 4OoC/2.6 Torr ...