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Synthesis and total assignment of 1H and 13C NMR spectra of new oxoisoaporphines by long-range heteronuclear correlations

✍ Scribed by Eduardo Sobarzo-Sánchez; Julio De la Fuente; Luis Castedo

Publisher
John Wiley and Sons
Year
2005
Tongue
English
Weight
96 KB
Volume
43
Category
Article
ISSN
0749-1581

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✦ Synopsis

The new oxoisoaporphines 7H-dibenzo[de,h]quinolin-7-one, 5-methoxy-7H-dibenzo[de,h]quinolin-7-one, 5methoxy-6-hydroxy-7H-dibenzo[de,h]quinolin-7-one, 5hydroxy-7H-dibenzo[de,h]quinolin-7-one and 5-methoxy-6H-dibenzo[de,h]quinolin-6-one were prepared either by oxidation of their 2,3-dihydro derivatives or by heating (2 -(3,4-dihydro-6,7-dimethoxyisoquinolin-1yl)phenyl)methylbenzoate with an acetic acid/sulfuric acid mixture at 100 • C. The structures were confirmed and 1 H and 13 C NMR spectra were completely assigned using two-dimensional NMR techniques.

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