## Abstract The X‐ray crystal structure of 1__H__‐pyrazole‐3‐(__N‐tert__‐butyl)‐carboxamide was determined. In the solid state, the ^13^C and ^15^N CP/MAS NMR spectra correspond to this tautomer. In solution, both tautomers are present in a ratio that depends on the temperature (at 293 K, 90% 3‐sub
✦ LIBER ✦
Theoretical study of the structure and tautomerism of N 1-unsubstituted pyrazoles in the solid state
✍ Scribed by de Paz, José Luis G.; Elguero, José; Foces-Foces, Concepción; Llamas-Saiz, Antonio L.; Aguilar-Parrilla, Francisco; Klein, Olivier; Limbach, Hans-Heinrich
- Book ID
- 121311101
- Publisher
- Royal Society of Chemistry
- Year
- 1997
- Tongue
- English
- Weight
- 524 KB
- Volume
- 1
- Category
- Article
- ISSN
- 1472-779X
- DOI
- 10.1039/A603035A
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## Abstract The crystals obtained by mixing equimolar amounts of diethyl 1__H__‐pyrazole‐3,5‐dicarboxylate and the primary amines phenethylamine and homoveratrylamine are ammonium pyrazolate salts as determined by ^13^C and ^15^N CPMAS NMR. Copyright © 2006 John Wiley & Sons, Ltd.