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New arylhydrazones of β-diketones and their optical and thermal properties

✍ Scribed by Zhen Ma; Abel M. Maharramov; Ismayil A. Aliyev; Irada N. Aliyeva; Maximilian N. Kopylovich; Gunel I. Amanullayeva; Kamran T. Mahmudov; Armando J.L. Pombeiro


Book ID
113806346
Publisher
Elsevier Science
Year
2012
Tongue
English
Weight
416 KB
Volume
1019
Category
Article
ISSN
0022-2860

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Tautomeric and conformational properties
✍ Natalya V. Belova; Valeriy V. Sliznev; Heinz Oberhammer; Georgiy V. Girichev 📂 Article 📅 2010 🏛 Elsevier Science 🌐 English ⚖ 582 KB

Available literature data about keto-enol equilibrium in b-diketones with different substituents in b-positions (R1C(O)-CH 2 -C(O)R2) has been analyzed. It was concluded that substituents from group I (R = H, CH 3 , CF 3 , C(CH3) 3 ) strongly favour the enol tautomer, whereas substituents from group