TRANSITION-METAL COMPLEXES WITH SULFUR LIGANDS .73. DIASTEREOSPECIFIC DICHLOROMETHYLATION OF SULFUR RICH [RUII(SRR')(PPH3)'S4'] COMPLEXES (SRR' = MONODENTATE THIOETHER OR THIOL LIGAND - 'S4'2- = 1,2-BIS(2-MERCAPTOPHENYLTHIO)ETHANE(2-))

被引：0

作者：

SELLMANN, D

LECHNER, P

KNOCH, F

MOLL, M

机构：

来源：

ZEITSCHRIFT FUR NATURFORSCHUNG SECTION B-A JOURNAL OF CHEMICAL SCIENCES | 1991年 / 46卷 / 12期

关键词：

TRANSITION METAL; SULFUR COMPLEXES; DIASTEREOSPECIFITY; ALKYLATION; X-RAY;

D O I：

暂无

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

Under exclusion of air the thioether and thiol complexes [Ru(SRR')(PPh3)'S4'] ('S4'(2-) = 1,2-bis(2-mercaptophenylthio)ethane (2-)) easily react with CHCl3 yielding [Ru(Cl)(PPh3)('S4'-CHCl2)] in which one thiolato atom of the 'S4' ligand is diasterospecifically dichloromethylated. In the presence of air, however, [Ru(III)(Cl)(PPh3)'S4'] is formed. The molecular structures of [Ru(Cl)(PPh3)('S4'- CHCl2)].2 CHCl3 and [Ru(III)(Cl)(PPh3)('bu)S4'] have been determined by X-ray crystallography. ('bu)S4('2-) (= 1,2-bis(3,5-di(t-butyl)-2-mercaptophenylthio)ethane(2-)) is the t-butyl derivative of the 'S4' ligand. Reasons for observed diasterospecificity of alkylation are discussed.

引用

页码：1585 / 1592

页数：8

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