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The Use of NMR Spectroscopy to Study Tautomerism

✍ Scribed by R. M. Claramunt; C. Lopez; M. D. Santa Maria; D. Sanz; J. Elguero

Publisher
John Wiley and Sons
Year
2007
Weight
11 KB
Volume
38
Category
Article
ISSN
0931-7597

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NMR and semi-empirical study of the taut
NMR and semi-empirical study of the tautomerism ofΒ­2,2β€²-bisbenzimidazolyl
✍ Cesar Zucco; Evandro L. Dall'Oglio; Gean V. SalmΓ³ria; Hugo Gallardo; Ademir Neve πŸ“‚ Article πŸ“… 1998 πŸ› John Wiley and Sons 🌐 English βš– 232 KB πŸ‘ 1 views

A dynamic NMR study of the tautomerism of 2,2'-bisbenzimidazolyl in DMSO-d 6 and a mechanistic interpretation of the process, based on a stepwise, single-proton transfer and formation of a zwitterionic intermediate, are presented. This interpretation is substantiated by semi-empirical calculations o