Reactivity of Co(Ⅱ)and Co(Ⅲ)Complexes Towards C=C Bonds

Abstract

Abstract: Starting from bis(propagyl)amine(1), a new cyclopentadienyl Co(Ⅲ)complex 8 was prepared using CoCl₂Ph₃Pvia ClCo(PPh₃)₂, and Co(Ⅱ)complex(11)was also prepared using Co₂(CO)₈via complex 10.Reactivity of These two colbalt complexes with differentox idation state towards C=C bonds were investigated, a new stable complex 9 was found from the reaction with complex 8, but a pureorganic compound 3 was formed by the reaction of complex 11.The low reactivity of Co(Ⅲ)complex 8 tow ards C=C bonds is explained according to The results of its Xray cryst al structure.

Key words: Reactivity, Cobalt, Com plex, Diyne, Diethylfumarate

CLC Number:

O643.11

TrendMD:

ZHOU Zhi-Ming . Reactivity of Co(Ⅱ)and Co(Ⅲ)Complexes Towards C=C Bonds[J]. Chem. J. Chinese Universities, 1999, 20(1): 72.

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Reactivity of Co(Ⅱ)and Co(Ⅲ)Complexes Towards C=C Bonds

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