Assignments of the  1 H and  13 C NMR spectra of 1,4‐diazaphenanthrene (benzo[ f ]quinoxaline) derivatives | Zendy

Defay N. | Zendy; NasielskiHinkens R. | Zendy; Nasielski J. | Zendy

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Assignments of the 1 H and 13 C NMR spectra of 1,4‐diazaphenanthrene (benzo[ f ]quinoxaline) derivatives

Author(s) -

Defay N.,

NasielskiHinkens R.,

Nasielski J.

Publication year - 1987

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.1260250121

Subject(s) - chemistry , quinoxaline , nmr spectra database , chlorine , chlorine atom , spectral line , coupling constant , medicinal chemistry , chemical shift , stereochemistry , computational chemistry , crystallography , organic chemistry , physics , particle physics , astronomy

The 1 H and 13 C NMR spectra of 1,4‐diazaphenanthrene (benzol f quinoxaline) (1) and some of its derivatives have been fully assigned and most of the coupling constants have been measured. The compounds examined bear a piperidino or methoxy group at the 2‐ or 3‐position, or a chlorine atom at the 2‐, 3‐ or 9‐position. The spectra of the N ‐1‐oxides of 1 and of 1,4,5,8‐tetraazaphenanthrene are also given. The syntheses are described.

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