On the preparation of bimetallic Rh-Co hydroformylation catalysts from [Rh(CO)(2)Cl](2) and cobalt carbonyls on the surface of SiO2

	On the preparation of bimetallic Rh-Co hydroformylation catalysts from [Rh(CO)(2)Cl](2) and cobalt carbonyls on the surface of SiO2
	Huang, L; Xu, Y
刊名	bulletin of the chemical society of japan
	1999-02-01
卷号	72 期号:2 页码:199-205
英文摘要	the preparation of bimetallic rh-co catalysts from [rh(co)(2)cl](2) and cobalt carbonyls (co-2(co)(8) and co-4(co)(12)) on the surface of sio2 has been investigated by ir spectroscopy and the ethylene hydroformylation reaction. the reaction of co-2(co)(8) with [rh(co)(2)cl](2) (rh:co = 1:3.5 atomic ratio) yields spontaneously and promptly rhco3(co)(12) on the surface. the rhco3(co)(12) thus synthesized is characterized by in situ ir monitoring and extraction from the surface into n-hexane. this chemistry parallels that in solution. in n-hexane solution, the reaction proceeds very slowly and is complete after approximately 1 d. the results show that the surface of sio2 exerts an unusual promoting effect on this organometallic synthesis. when co-2(co)(8) is replaced by co-4(co)(12), no reaction takes place either in solution or on the surface. however, a bimetallic rh-co catalyst may efficiently result from ([rh(co)(2)cl](2) + co-4(co)(12))/sio2 (rh:co = 1.3 atomic ratio) by thermal treatment under a reducing atmosphere. in particular, (rh+ + co2+)/sio2 (rh:co = 1 :3 atomic ratio) derived from [rh(co)(2)cl](2) and co-4(co)(12) likewise may be efficiently transformed to bimetallic rh-co clusters or particles under an ethylene hydroformylation atmosphere at 423 k. all the catalysts derived from [rh(co)(2)cl](2) and cobalt carbonyls in this work have catalytic performances close to those of rhco3(co)(12)/sio2 in ethylene hydroformylation.
WOS标题词	science & technology ; physical sciences
类目[WOS]	chemistry, multidisciplinary
研究领域[WOS]	chemistry
关键词[WOS]	mediated organometallic synthesis ; homogeneous multimetallic catalysts ; vapor-phase hydroformylation ; rhco3 clusters ; ruthenium ; 2 ; hydrogenation ; olefins ; support ; ir
收录类别	SCI ; CCR
语种	英语
WOS记录号	WOS:000078973000005
公开日期	2015-11-10
内容类型	期刊论文
源URL	[http://159.226.238.44/handle/321008/138650]
专题	大连化学物理研究所_中国科学院大连化学物理研究所
作者单位	Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian 116023, Peoples R China
推荐引用方式 GB/T 7714	Huang, L,Xu, Y. On the preparation of bimetallic Rh-Co hydroformylation catalysts from [Rh(CO)(2)Cl](2) and cobalt carbonyls on the surface of SiO2[J]. bulletin of the chemical society of japan,1999,72(2):199-205.
APA	Huang, L,&Xu, Y.(1999).On the preparation of bimetallic Rh-Co hydroformylation catalysts from [Rh(CO)(2)Cl](2) and cobalt carbonyls on the surface of SiO2.bulletin of the chemical society of japan,72(2),199-205.
MLA	Huang, L,et al."On the preparation of bimetallic Rh-Co hydroformylation catalysts from [Rh(CO)(2)Cl](2) and cobalt carbonyls on the surface of SiO2".bulletin of the chemical society of japan 72.2(1999):199-205.