Carbon-13 nuclear magnetic resonance spectra of isomeric oxaziridines. Effects of the nitrogen lone pair on carbon-13 chemical shifts

Autor: Guy J. Jordan, Delanson R. Crist
Rok vydání: 1977
Předmět:
Zdroj: Organic Magnetic Resonance. 9:322-324
ISSN: 1097-458X
0030-4921
DOI: 10.1002/mrc.1270090607
Popis: The carbon-13 n.m.r. spectra of several oxaziridines were measured. Aliphatic and aromatic ipso carbon atoms trans to the lone pair of nitrogen in oxaziridines were shifted upfield by c. 9 ppm, and 3.4 ppm, respectively, in comparison with isomers of inverted configuration. The results suggest that the nitrogen lone pair is partially responsible for the observed upfield shifts.
Databáze: OpenAIRE