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 / A. Arcadi, O.A. Attanasi, L. De Crescentini, E. Rossi, F. Serra-Zanetti. - In: SYNTHESIS. - ISSN 0039-7881. - 1996:4(1996), pp. 533-536.

Synthesis of 1-substituted and 1-unsubstituted 4-sulfonamido-1H-pyrazol-5(2H)-ones

E. Rossi
Penultimo
;
1996

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.
Settore CHIM/06 - Chimica Organica
1996
http://www.thieme-chemistry.com/en/products/journals/synthesis.html
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/2434/155940
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