Bisthiosemicarbazones of 2,4-pentanedione are pyrazolines

Bisthiosemicarbazones of 2,4-pentanedione are pyrazolines

Attempts to prepare 2,4-bisthiosemicarbamoylpentanediones 1 via literature precedent from 2,4-pentanedione and three different thiosemicarbazides resulted instead in the formation of cyclic pyrazolines 5. The preparation was attempted with thiosemicarbazide, 4-methylthiosemicarbazide, and 4-ethylthi...

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Veröffentlicht in:Canadian journal of chemistry 1998-05, Vol.76 (5), p.522-524
Hauptverfasser: Hunter, Duncan H., McRoberts, Chantelle, Vittal, Jagadese J.
Format: Artikel
Sprache:eng
Schlagworte:
Carbon
Carbon compounds
Chemicals
Chemistry
Methyl
Methyl compounds
Pyrazoline
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Zusammenfassung:Attempts to prepare 2,4-bisthiosemicarbamoylpentanediones 1 via literature precedent from 2,4-pentanedione and three different thiosemicarbazides resulted instead in the formation of cyclic pyrazolines 5. The preparation was attempted with thiosemicarbazide, 4-methylthiosemicarbazide, and 4-ethylthiosemicarbazide, respectively.
ISSN:0008-4042
1480-3291
DOI:10.1139/cjc-76-5-522