Heterocycles as ligands .22. 2-chalcogenoimidazolines as ligands in pentacarbonylmetal complexes

被引:31
作者
Kuhn, N [1 ]
Fawzi, R [1 ]
Kratz, T [1 ]
Steimann, M [1 ]
机构
[1] UNIV DUISBURG GESAMTHSCH,FACHBEREICH CHEM 6,D-47048 DUISBURG,GERMANY
来源
PHOSPHORUS SULFUR AND SILICON AND THE RELATED ELEMENTS | 1996年 / 108卷 / 1-4期
关键词
imidazole; Group; 6; carbonyl; metal complexes; crystal structure;
D O I
10.1080/10426509608029645
中图分类号
O61 [无机化学];
学科分类号
070301 ; 081704 ;
摘要
The chalcogenoimidazoline complexes NR-CMe-CMe-NR-C=X . M(CO)(5) (VIII-XI; R = Me, iso-Pr; X = S, Se, Te; M = Cr, Mo, W) are obtained from the metal hexacarbonyls (M = Cr, Mo, W) and the chalcogenoimidazolines IV-VIL. ln these complexes the chalcogeno ligands exhibit strong donor properties according to the sequence Te > Se > S which is demonstrated by n. m. r. and i. r. data. The X-ray structures of N(iso-Pr)-CMe-CMe-N(iso-Pr)-C=X . Cr(CO)(5)(X = S; Se; VIIIa, IXa) are reported.
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页码:107 / 119
页数:13
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