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Tautomérie Dans la Série des Pyrazolinones. III. Influence de la Position et de la Nature des Substituants sur L'Équilibre Prototropique des Pyrazoline-5-ones N1 Substituées

✍ Scribed by A. Maquestiau; Y. van Haverbeke; R. Jacquerye


Publisher
Wiley (John Wiley & Sons)
Year
2010
Weight
319 KB
Volume
82
Category
Article
ISSN
0037-9646

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Tautomérie Dans la Série des Pyrazolinon
✍ A. Maquestiau; Y. van Haverbeke; R. Jacquerye 📂 Article 📅 2010 🏛 Wiley (John Wiley & Sons) ⚖ 407 KB

The tautomerisrn between CH, N H and OH forms of 1,3-dimethylpyrazoline-5-one has been investigated by use of I.R., N.M.R. and U.V. spectroscopy. In non polar solvents only the CH form is observed. In aprotic solvents, a linear relationship is obtained between the percent of the CH form and the basi