## Abstract According to the ^1^H, ^13^C and ^15^N NMR spectroscopic data and __ab initio__ calculations, the strong N๏ฃฟHยทยทยทO intramolecular hydrogen bond in the __Z__โisomers of 2โ(2โacylethenyl)pyrroles causes the decrease in the absolute size of the ^1^__J__(N,H) coupling constant by 2 Hz in CDCl
Protonated forms of 2-(2-thienyl)pyrroles. Investigation by means of1H NMR spectroscopy and MNDO calculations
โ Scribed by M. V. Sigalov; A. B. Trofimov; E. Yu. Shmidt; B. A. Trofimov
- Publisher
- Springer US
- Year
- 1993
- Tongue
- English
- Weight
- 506 KB
- Volume
- 29
- Category
- Article
- ISSN
- 0009-3122
No coin nor oath required. For personal study only.
๐ SIMILAR VOLUMES
2-Aminopyridine betaine (1-carboxymethyl-2-aminopyridinium inner salt) forms crystalline complexes with HCl, HBr and HClO 4 . These complexes on heating in ethanol cyclize to 1H-2-oxo-2,3-dihydroimidazo[1,2-a]pyridinium chloride (1Ax), bromide (2Ax) and perchlorate (3Ax), respectively. Infrared spec
## Abstract ChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 100 leading journals. To access a ChemInform Abstract of an article which was published elsewhere, please select a โFull Textโ option. The original article is trackable v