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Influence of substituent on UV absorption and keto–enol tautomerism equilibrium of dibenzoylmethane derivatives

✍ Scribed by Jan Zawadiak; Marek Mrzyczek

Book ID
116875408
Publisher
Elsevier Science
Year
2012
Tongue
English
Weight
367 KB
Volume
96
Category
Article
ISSN
1386-1425

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📜 SIMILAR VOLUMES

Substituent effects in keto-enol tautome
Substituent effects in keto-enol tautomerism. Part 3.1 influence of substitution on the equilibrium composition of of β-dicarbonyl compounds
✍ M. Bassetti; G. Cerichelli; B. Floris 📂 Article 📅 1988 🏛 Elsevier Science 🌐 French ⚖ 437 KB

The enol content and equilibrium free energies for the keto-enol tautomerism have been determined for a series of 1,3-diketones, at 40 OC, in deuterochloroform and dimethylsulfoxide-d (DMSO), by lH n.m.r.. Compounds containing methyl, phenyl, t-butyl, E-thienyl, trifluorome t hyl and ethoxy groups h