A PHOSPHORUS-31 NUCLEAR MAGNETIC RESONANCE STUDY OF TERTIARY PHOSPHINE DERIVATIVES OF GROUP 6 METAL CARBONYLS .3. DISUBSTITUTED COMPOUNDS

被引：91

作者：

GRIM, SO

WHEATLAN.DA

机构：

[1] Department of Chemistry, University of Maryland, College Park

来源：

INORGANIC CHEMISTRY | 1969年 / 8卷 / 08期

关键词：

D O I：

10.1021/ic50078a030

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

The preparation, infrared spectra, and phosphorus-31 nuclear magnetic resonance spectra are reported for 15 compounds of the type cis- and trans-L2M(CO)4, where is Cr (trans only), Mo, or W, and L is tributylphosphine, dibutylphenylphosphine, or diphenylbutylphosphine. Phosphorus-31-tungsten-183 spin-spin couplings, which are observed in all of the tungsten compounds, are larger for the trans compounds than for the corresponding cis compounds. This is interpreted as being consistent with the π-bonding abilities of tertiary phosphines. The phosphorus chemical shift in the trans compound of a particular ligand is farther downfield than that for the corresponding cis compound. © 1969, American Chemical Society. All rights reserved.

引用

页码：1716 / &

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