Chemistry of the phenoxathiins and isosterically related heterocycles. XIV. Total assignment of the 13 C‐Nmr spectrum of pyrrolo[3,2,1‐ kl ]phenothiazine

Chemistry of the phenoxathiins and isosterically related heterocycles. XIV. Total assignment of the 13 C‐Nmr spectrum of pyrrolo[3,2,1‐ kl ]phenothiazine

Total assignment of the 13 C‐nmr spectrum of the novel tetracyclic phenothiazine, pyrrolo[3,2,1‐ kl ]phenothiazine is described. Assignments were determined from model systems, 1 H‐ 13 C spin‐coupling behavior in conjunction with selective excitation techniques and spin‐lattice (T 1 ) relaxation mea...

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Bibliographic Details
Published in:Journal of heterocyclic chemistry Vol. 18; no. 1; pp. 155 - 161
Main Authors: Gampe, Robert T., Martin, Gary E., Pinto, Angelo C., Hollins, Richard A.
Format: Journal Article
Language:English
Published: 01-01-1981
Online Access:Get full text
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Summary:Total assignment of the 13 C‐nmr spectrum of the novel tetracyclic phenothiazine, pyrrolo[3,2,1‐ kl ]phenothiazine is described. Assignments were determined from model systems, 1 H‐ 13 C spin‐coupling behavior in conjunction with selective excitation techniques and spin‐lattice (T 1 ) relaxation measurements. The anisotropic reorientation of this ring system via a principal axis passing through the center of the molecule, which provides a qualitative basis for signal discrimination, is also discussed.
ISSN:0022-152X
1943-5193
DOI:10.1002/jhet.5570180129