1 H and  13 C NMR studies of E/Z 2‐hydroxyindolenines | Zendy

MoralesRíos Martha S. | Zendy; Bucio M. Alvina | Zendy; JosephNathan Pedro | Zendy

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1 H and 13 C NMR studies of E/Z 2‐hydroxyindolenines

Author(s) -

MoralesRíos Martha S.,

Bucio M. Alvina,

JosephNathan Pedro

Publication year - 1993

Publication title -

magnetic resonance in chemistry

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.483

H-Index - 72

eISSN - 1097-458X

pISSN - 0749-1581

DOI - 10.1002/mrc.1260311015

Subject(s) - chemistry , planarity testing , substituent , nmr spectra database , ring (chemistry) , crystallography , carbon 13 nmr satellite , spectral line , carbon 13 nmr , stereochemistry , nuclear magnetic resonance spectroscopy , chemical shift , fluorine 19 nmr , organic chemistry , physics , astronomy

The 1 H NMR spectra of E/Z 2‐hydroxyindolenines are reported in both CDCl 3 and DMSO‐d 6 solvents. The data suggest a preferred conformation of the heterocyclic ring, which is slightly distorted from planarity, in agreement with the x‐ray crystallographic data of one of the isomers. The 13 C NMR spectra for the Z‐hydroxyindolenines are also described. Substituent effects on E/Z isomerism about the exocyclic CC bond are discussed.

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