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Influence des solvants sur l'equilibre prototropique des pyrazoline-5-ones.

✍ Scribed by J. Deschamps; H. Sauvaitre; J. Arriau; A. Maquestiau; Y. Van Haverbeke; R. Jacquerye

Book ID
104247955
Publisher
Elsevier Science
Year
1971
Tongue
French
Weight
177 KB
Volume
12
Category
Article
ISSN
0040-4039

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Tautomérie Dans la Série des Pyrazolinones: I. Influence du Solvant Sur L'Équilibre Prototropique de la 1,3-Diméthylpyrazoline-5-one
✍ 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