Pyrolysis of Ru-3(mu-dppm)(CO)(9)(PPh(3)): Formation of novel Ru-4 and Ru-3 clusters

被引：16

作者：

Bruce, MI ^{[1
]}

Zaitseva, NN ^{[1
]}

Skelton, BW ^{[1
]}

White, AH ^{[1
]}

机构：

[1] UNIV WESTERN AUSTRALIA,DEPT CHEM,NEDLANDS,WA 6907,AUSTRALIA

来源：

JOURNAL OF ORGANOMETALLIC CHEMISTRY | 1996年 / 515卷 / 1-2期

关键词：

ruthenium; carbonyl; clusters; pyrolysis; crystal structure;

D O I：

10.1016/0022-328X(95)06051-W

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

Heating Ru-3(mu-dppm)(CO)(9)(PPh(3)) (2) for 90 min in refluxing toluene resulted in the formation of Ru-4(mu(4)-PPh)(mu(4)-PPh(2)C(6)H(4)CO)(mu-PPh(2)CH(2))(CO)(8) (3) and Ru-3{mu(3)-PPh(C6H4)}(mu-PPh(2)CH(2))(mu-PPh(2))(mu-CO)(CO)(6) (4) as the major products (41%); other complexes identified were Ru-3{mu(3)-PPhCH(2)PPh(C6H4)}(CO)(9) (5) and Ru-2(mu-PPhC(6)H(4)PPhCH(2))(CO)(6-n)(PPh(3))(n) [n = 1(6), O(7)]. The transformations involve oxidative addition of aromatic C-H and P-C bonds to the cluster, elimination of benzene and carbonylation of the aryl-Ru bond, as well as cluster disproportionation. X-ray structures of 3, 4 and 6 are presented.

引用

页码：143 / 154

页数：12

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