Complete structural and spectral assignment of oxoisoaporphines by HMQC and HMBC experiments | Zendy

SobarzoSánchez Eduardo | Zendy; Cassels Bruce K. | Zendy; Jullian Carolina | Zendy; Castedo Luis | Zendy

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Complete structural and spectral assignment of oxoisoaporphines by HMQC and HMBC experiments

Author(s) -

SobarzoSánchez Eduardo,

Cassels Bruce K.,

Jullian Carolina,

Castedo Luis

Publication year - 2003

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.1177

Subject(s) - chemistry , sulfuric acid , hydrochloride , stereochemistry , carbon 13 nmr , spectral analysis , nmr spectra database , proton nmr , medicinal chemistry , spectral line , organic chemistry , spectroscopy , physics , quantum mechanics , astronomy

The oxoisoaporphines 2,3‐dihydro‐7 H ‐dibenzo[ de,h ]quinolin‐7‐one, 2,3‐dihydro‐5‐methoxy‐7 H ‐dibenzo [ de,h ] quinolin‐7‐one, 5‐methoxy‐6‐hydroxy‐2,3‐dihydro‐7 H ‐dibenzo[ de,h ]quinolin‐7‐one, 5,6‐dimethoxy‐2,3‐dihydro‐7 H ‐dibenzo[ de,h ]quinolin‐7‐one and 5,6‐methylenedi‐oxy‐2,3‐dihydro‐7 H ‐dibenzo[ de,h ]quinolin‐7‐one were prepared by cyclization of phenylethylaminophthalides with polyphosphoric acid or by treating 1‐(2‐carboxyphenyl)‐3,4‐dihydroisoquinoline hydrochloride with sulfuric acid at 0 °C. The structures were confirmed and 1 H and 13 C NMR spectra were completely assigned using a combination of one‐ and two‐dimensional NMR techniques. Copyright © 2003 John Wiley & Sons, Ltd.

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