4-Sulfonamido-1H-pyrazol-5(2H)-ones bearing different substituent groups on the nitrogen atom in position 1 were easily obtained by reaction of conjugated azoalkenes with sulfonamides under mild conditions. 1-Unsubstituted title compounds were smoothly obtained by solvolytic cleavage of the substituent groups in methanol under reflux.
Synthesis of 1-Substituted and 1-Unsubstituted 4-Sulfonamido-1H-pyrazol-5(2H)-ones
ARCADI, Antonio;
1996-01-01
Abstract
4-Sulfonamido-1H-pyrazol-5(2H)-ones bearing different substituent groups on the nitrogen atom in position 1 were easily obtained by reaction of conjugated azoalkenes with sulfonamides under mild conditions. 1-Unsubstituted title compounds were smoothly obtained by solvolytic cleavage of the substituent groups in methanol under reflux.File in questo prodotto:
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