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1H NMR study on the solvent effect on imine-enamine tautomerism of the condensation product of gossypol with 4-aminoantipyrine

✍ Scribed by K. Z. Tilyabaev, F. G. Kamaev, A. M. Yuldashev, B. T. Ibragimov

Book ID
118725842
Publisher
SP MAIK Nauka/Interperiodica
Year
2012
Tongue
English
Weight
204 KB
Volume
48
Category
Article
ISSN
1070-4280

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✍ Hans Fritz; Haukur Kristinsson; Tammo Winkler 📂 Article 📅 1983 🏛 John Wiley and Sons 🌐 German ⚖ 249 KB 👁 1 views

## Abstract 5‐Substituted 1,3,4‐thiadiazol‐2(3__H__)‐ones were shown to exist almost exclusively in the oxo tautomeric form with the aid of proton‐coupled ^15^N‐NMR spectra using the corresponding 3‐methyl‐1,3,4‐thiadiazol‐2(3__H__)‐ones and 5‐substituted‐2‐methoxy‐1,3,4‐thiadiazoles as reference c