The reaction of BrCCR (1a, R=nPr; 1b, R=nBu; 1c, R=SiMe3; 1d, R=Ph) with Co2(CO)8 (2) in a 1:1 molar ratio produces the hexacarbonyldicobalt complexes (η2-BrCCR)Co2(CO)6 (3a, R=nPr; 3b, R=nBu; 3c, R=SiMe3; 3d, R=Ph) in moderate yields. Apart from these complexes, pentametallic cobalt clusters of the general composition Co5(CO)12(CCR) (4a, R=nPr; 4b, R=nBu; 4c, R=SiMe3; 4d, R=Ph) are formed. Treatment
BrCCR(1a,R = n Pr; 1b,R = n Bu; 1c,R = SiMe 3 ; 1d,R = Ph)与Co 2(CO)8(2)在1:1摩尔中的反应以中等产率产生六羰基二
钴配合物(η2-BrCCR)Co 2(CO)6(3a,R = n Pr; 3b,R = n Bu; 3c,R = SiMe 3 ; 3d,R = Ph) 。除了这些配合物外,一般组成为Co的五
金属
钴簇5(CO)12(CCR)(图4a,R = Ñ
镨;图4b,R = Ñ卜;图4c,R =森达3 ;图4d,R = PH)而形成。的治疗1D用Na [Co(CO)4 ](5)得到butadi -1,3-炔配合物[(η 2 -CCPh)有限公司2(CO)6 ] 2(6)。描述了形成配合物4和6的可能的反应机理。的反应4D用P(O我PR)3(7)导致团簇降解并且形成Co 2(CO)6 [P(O i Pr)3 ] 2