COMPLETE ASSIGNMENT OF THE H-1 AND C-13 NMR-SPECTRA OF 11,12-DIMETHOXY[1]BENZOTHIENO[3,2-A]-4,7-PHENANTHROLINE AND ITS 8-CHLORO ANALOG - CONCERTED USE OF 2-DIMENSIONAL NMR TECHNIQUES

被引：2

作者：

MUSMAR, MJ ^{[1
]}

CASTLE, RN ^{[1
]}

机构：

[1] UNIV S FLORIDA,DEPT CHEM,TAMPA,FL 33620

来源：

JOURNAL OF HETEROCYCLIC CHEMISTRY | 1991年 / 28卷 / 06期

关键词：

D O I：

10.1002/jhet.5570280610

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

The H-1 and C-13 nmr spectra of 11,12-dimethoxy[1]benzothieno[3,2-a]-4,7-phenanthroline and its 8-chloro precursor were totally assigned using a combination of two-dimensional nmr techniques. After correlation of the majority of the proton signals by a COSY spectrum and one-bond heteronuclear correlation, the full assignment of the H-1 and C-13 nmr spectra of the novel heterocyclic compounds required the application of long-range CH coupling information particularly for quaternary carbon resonance assignments and the orientations of individual spin systems relative to one another. Key long-range heteronuclear couplings in both compounds served to confirm the one-bond heteronuclear correlations. Unequivocal interpretation of the spectral data leads to the complete assignments of the resonances.

引用

页码：1533 / 1536

页数：4

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