Tautomerism of 1-phenyl-3-methyl-4-benzyl-5-pyrazolone

V. G. Vinokurov,D. A. Zykov,Z. D. Kirsanova,S. G. Rozenberg,V. S. Troitskaya,L. A. Krasnykh,V. A. Zagorevskii,N. V. Klimova,B. M. Pyatin

Tautomerism of 1-phenyl-3-methyl-4-benzyl-5-pyrazolone

1991

V. G. Vinokurov
D. A. Zykov
Z. D. Kirsanova
S. G. Rozenberg
V. S. Troitskaya
L. A. Krasnykh
V. A. Zagorevskii
N. V. Klimova
B. M. Pyatin

The tautomerism of 1-phenyl-3-methyl-4-benzyl-5-pyrazolone —a side product in the reaction of acetoacetic ester with benzaldehyde phenylhydrazone — was studied by IR and PMR spectroscopy, and its thermodynamic characteristics were determined.

Keywords:

Photochemistry
Chemistry
Tautomer
Organic chemistry
Pyrazolone
Benzaldehyde
Acetoacetic ester synthesis
Spectroscopy
side product

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