PREPARATION OF TETRANUCLEAR HETEROMETALLIC CLUSTERS BY CONDENSATION OF TUNGSTEN ACETYLIDES [W(CO)3(C=CR)(ETA-C5H5)] WITH ACETYLIDE CLUSTERS [WRU2(CO)8(C=CR)L] (L = ETA-C5H5 OR ETA-C5ME5, R = PH OR C6H4F-PARA) - CRYSTAL-STRUCTURES OF [W2RU2(CO)9(CC(C6H4F-PARA)CC(C6H4F-PARA))(ETA-C5H5)2] AND [W2RU2(CO)6(C=CPH)2(ETA-C5H5)(ETA-C5ME5)]

被引：11

作者：

HWANG, DK ^{[1
]}

LIN, PJ ^{[1
]}

CHI, Y ^{[1
]}

PENG, SM ^{[1
]}

LEE, GH ^{[1
]}

机构：

[1] NATL TAIWAN UNIV,DEPT CHEM,TAIPEI 10764,TAIWAN

来源：

JOURNAL OF THE CHEMICAL SOCIETY-DALTON TRANSACTIONS | 1991年 / 08期

关键词：

D O I：

10.1039/dt9910002161

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

Reaction of trinuclear acetylide complexes [WRu2(CO)8(C = CR)(eta-C5H5)] with 1.5 molar equivalents [W(CO)3(C = CR)(eta-C5H5)] (R = Ph or C6H4F-p) in refluxing toluene produced two heterometallic cluster complexes [W2Ru2(CO)9(CCRCCR)(eta-C5H5)2] (R = Ph, 2a; or C6H4F-p, 2b) and [W2Ru2(CO)6(C = CR)2(eta-C5H5)2] (R = Ph, 3a; or C6H4F-p, 3b). For the analogous reaction of [WRu2(CO)8(C = CPh)(eta-C5Me5)] and [W(CO)3(C = CPh)(eta-C5H5)] only the complex [W2Ru2(CO)6(C = CPh)2(eta-C5H5)(eta-C5Me5)] 3c was isolated. Crystal data: 2b, space group Pbca, a = 16.237(3), b = 34.006(2), c = 13.228(3) angstrom, Z = 8, final R = 0.077, R' = 0.084 for 3968 reflections with l > 2-sigma(l); 3c, space group P1BAR, a = 10.202(3), b = 11.703(2), c = 16.600(3) angstrom, alpha = 87.97(1), beta = 103.68(2), gamma = 102.66(2)-degrees, Z = 2, R = 0.038, R' = 0.030 for 4714 reflections with l > 2-sigma(l). A plausible reaction pathway which leads to the formation of both complexes 2 and 3 is presented.

引用

页码：2161 / 2167

页数：7

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