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Thermodynamic Study on tautomerism reactions of some benzoin compounds by halogen titration method | ||
| Iraqi National Journal Of Chemistry | ||
| Article 1, Volume 0, Issue 38, 2014, Pages 361-372 | ||
| Authors | ||
| A.S.P. Azzouz; M.A. Hussin; M.G. Al-Dabbagh | ||
| Abstract | ||
| Abstract The study is started with the synthesis of benzoin, 4-methoxybenzoin and 4-nitrobenzoin by well known method. Their structures are confirmed by physical methods such as m.p., UV and IR spectra. The study deals with the tautomerism reactions of type enediol keto form by simple halogen titration method. The results show that the keto forms in compounds stated are predominant in benzoin and 4-methoxybenzoin shows a similar result at only 298K, and reverse results at other higher temperatures. Finally, the calculated thermodynamic parameters were estimated, namely Gْ, Hْ and Sْ support, the tautomerism reactions stated. | ||
| Keywords | ||
| benzoin; tautomerism; enediol; keto; halogen titration and thermodynamic | ||
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