Magnetic Resonance in Chemistry p. 911 - 918 (1987)
Update date:2022-08-03
Topics:
Morales-Rios, M. S.
Jospeh-Nathan, P.
The 13C NMR assignment of indoles and 5-methoxyindoles substituted at position 3, and some of their N-carboalkoxy derivatives, was achieved from one- and two-dimensional NMR experiments.Substituent chemical shifts and 1(CH) values were evaluated.The dynamic processes of N-carboalkoxyindoles and N-carboalkoxyindoline observed by high-filed 1H NMR show the existence of two preferred rotamers around the carbamate N-C(=O)OR bond, which was interpreted in terms of frequency/field strengh-dependent phenomena.KEY WORDS - Indoles N-carboalkoxyindoles substituent effects 13C NMR
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