Issue 9, 1981

Reactions of metal carbonyl derivatives. Part 25. The bridging properties of tetraethyl diphosphite, (EtO)2POP(OEt)2

Abstract

The ditertiary phosphite (EtO)2POP(OEt)2(tedip) has been treated with a variety of metal carbonyl complexes such as [Mo(CO)6], [Mo(CO)4(C7H8)](C7H8= bicyclo[2.2.1] heptadiene), [Mo(η-C5H5)(CO)3X](X = Cl, Br, or I). [Fe2(CO)9], [Fe3(CO)12], [{Fe(CO)3(SMe)}2], and [Fe(η-C5H5)(CO)2l], and in all cases products in which the phosphite is bonded unidentate or bridged bidentate have been obtained. These included [Mo(CO)4(tedip)2], [{Mo(η-C5H5)(CO)2X}2(tedip)], [Fe2(CO)7(tedip)], [Fe2(CO)5(tedip)2], [{Fe(CO)2(SMe)}2(tedip)], and [{Fe(η-C5H5)(CO)l}2(tedip)]. The apparent inability of this ligand to afford chelated products is discussed in terms of the tedip bond angle.

Article information

Article type
Paper

J. Chem. Soc., Dalton Trans., 1981, 1918-1923

Reactions of metal carbonyl derivatives. Part 25. The bridging properties of tetraethyl diphosphite, (EtO)2POP(OEt)2

A. L. du Preez, I. L. Marais, R. J. Haines, A. Pidcock and M. Safari, J. Chem. Soc., Dalton Trans., 1981, 1918 DOI: 10.1039/DT9810001918

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