Journal of Organic Chemistry p. 3407 - 3413 (1980)
Update date:2022-08-04
Topics:
Pirkle, William H.
Hoover, Dennis J.
Isomeric p-tosylpyrazolines 5 and 6 are obtained in high yield by cyclization of the tosylhydrazones of various β,β-disubstituted-α,β-epoxy ketones 4.Oxidation of these mixtures to pyrazolones 9 followed by selective reduction affords isomers 5.Reaction o
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