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Azido-tetrazole tautomerism of 2,4-diazidopyrimidines in solution: The discovery of ditetrazolo[1,5-α:1′,5′-c]pyrimidines

✍ Scribed by V. P. Krivopalov; A. Yu. Denisov; V. I. Mamatyuk; V. P. Mamaev


Book ID
112445607
Publisher
Springer
Year
1986
Tongue
English
Weight
76 KB
Volume
35
Category
Article
ISSN
1573-9171

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## 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.