Homogeneous hydrogenation of diphenylacetylene promoted by a cationic hydridoalkenyltriruthenium cluster complex. Kinetic evidence for cluster catalysis

被引:18
作者
Cabeza, JA
delRio, I
FernandezColinas, JM
Riera, V
机构
[1] Inst. de Quim. Orgmet. Enrique Moles, Facultad de Química, Universidad de Oviedo-CSIC
关键词
D O I
10.1021/om950444h
中图分类号
O61 [无机化学];
学科分类号
070301 ; 081704 ;
摘要
The cationic cluster complex [Ru-3(mu)-H)(mu(3)-ampy) (mu,eta(1):eta(2)-PhC=CHPh)(CO)(8)][BF4] (1) (Hampy = 2-amino-6-methylpyridine) promotes the homogeneous catalytic hydrogenation of diphenylacetylene to cis- and trans-stilbene under very mild conditions (333 K, P(H-2) < 1 atm). Reactivity, spectroscopic, and kinetic studies support a hydrogenation mechanism in, which the catalytic intermediates are cationic trinuclear complexes.
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页码:449 / 451
页数:3
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