Addition of Cr(CO)(5) to the M(eta(2)-S-2) moiety of CP(2)M(S-2)H (Cp'=(t)BuC(5)H(4):M=Ta; Cp(x)=C(5)Me(4)Et:M=Nb) and crystal structures of Cp'2TaS2H center dot[Cr(CO)(5)](n) (n=1,2)

被引：15

作者：

Brunner, H

Gehart, G

Leblanc, JC

Moise, C

Nuber, B

Stubenhofer, B

Volpato, F

Wachter, J

机构：

[1] UNIV REGENSBURG,INST ANORGAN CHEM,D-93040 REGENSBURG,GERMANY

[2] LAB SYNTH & ELECTROSYNTH ORGANOMET,URA 1685,F-21100 DIJON,FRANCE

[3] UNIV HEIDELBERG,INST ANORGAN CHEM,D-69120 HEIDELBERG,GERMANY

来源：

JOURNAL OF ORGANOMETALLIC CHEMISTRY | 1996年 / 517卷 / 1-2期

关键词：

chromium; molybdenum; disulfide ligand; X-ray structure; niobium;

D O I：

10.1016/0022-328X(95)06001-D

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

Reaction of Cp'2TaS2H (Cp' = (t)BuC(5)H(4)) or Cp(2)(x)NbS(2)H (Cp(x) = C(5)Me(4)Et) with an excess of Cr(CO)(5)THF gives the adducts Cp'2TaS2H . Cr(CO)(5) 1, Cp'2TaS2H . 2Cr(CO)(5) 2, and Cp(2)(x)NbS(2)H . Cr(CO)(5) 3 respectively. 1 and 2 are separated by fractional crystallisation. The crystal structures show the Cr(CO)(5) fragment in 1 to be coordinated to the 'outer' sulfur, and in 2 both Cr(CO)(5) fragments are coordinated to each sulfur of the S-2 ligand in a trans fashion. In all cases approximate sp(3) hybridisation of the S atoms is observed. The new compounds are thermally labile and give CO-free, trinuclear compounds of the type Gp(4)M(2)S(4)Cr upon heating their solutions.

引用

页码：47 / 51

页数：5

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