MONOPENTAMETHYLCYCLOPENTADIENYL ISOCYANIDE, AMINE AND IMIDO TANTALUM(V) COMPLEXES - X-RAY CRYSTAL-STRUCTURE OF [TACP(ASTERISK)CL(4)(CN-2,6-ME(2)C(6)H(3))]

被引：18

作者：

GOMEZ, M ^{[1
]}

GOMEZSAL, P ^{[1
]}

NICOLAS, MP ^{[1
]}

ROYO, P ^{[1
]}

机构：

[1] UNIV ALCALA DE HENARES, DEPT QUIM INORGAN, E-28871 ALCALA DE HENARES, SPAIN

来源：

JOURNAL OF ORGANOMETALLIC CHEMISTRY | 1995年 / 491卷 / 1-2期

关键词：

TANTALUM; PENTAMETHYLCYCLOPENTADIENYL; ISONITRILE COMPLEXES; X-RAY DIFFRACTION; AMINE COMPLEXES; IMIDO COMPLEXES;

D O I：

10.1016/0022-328X(94)05236-5

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

[TaCp*Cl-4] (Cp*=eta(5)-C(5)Me(5)) reacts with isocyanides and amines to give the pseudo-octahedral adducts [TaCp*Cl(4)L] (L = 2,6-Me(2)C(6)H(3)NC, 1; 2,4,6-Me(3)C(6)H(2)NC, 2; (t)BuNC, 3; or C6H5NH2, 4). Reduction of 1, or alternatively of [TaCp*Cl-4] in the presence of stoichiometric amounts of isocyanide, with two equivalents of Na/Hg gives the diamagnetic pseudo-octahedral tantalum(III) complex, [TaCp*Cl-2(CN-2,6-Me(2)C(6)H)(3)](3) 5. Reaction of 4 with two equivalents of LiNEt(2) affords the pseudo-octahedral imido complex [TaCp*Cl-2(N-C6H5)]. 6. All the complexes were characterized by usual IR and NMR spectroscopic methods and the molecular structure of 1 was confirmed by X-ray diffraction methods.

引用

页码：121 / 125

页数：5

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