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Tautomerism in 3-([5-(t-butyl)-2-hydroxyphenyl]iminomethyl)[1,1′-biphenyl]-4-ol-NMR and X-ray studies

✍ Scribed by Vellaisamy Sridharan; Shanmugam Muthusubramanian; Shanmugaperumal Sivasubramanian; Kurt Polborn


Publisher
Elsevier Science
Year
2004
Tongue
English
Weight
169 KB
Volume
707
Category
Article
ISSN
0022-2860

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1H and 13C NMR study of the prototropic
✍ S. Toppet; G. Wouters; G. Smets 📂 Article 📅 1978 🏛 John Wiley and Sons 🌐 English ⚖ 162 KB

## Abstract Carbon‐13 NMR study of 4(5)‐vinyl‐1,2,3‐triazole in dimethylformamide at −55°C allows direct observation of the three separate tautomers. The ^13^C chemical shift values of the three forms, as well as their percentages in the tautomeric mixture, are given.