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- Thursday, January 1, 1987
- Hydrosilylation reactions catalyzed by Mn2(CO)10
- Published at:Not Found
H. S. Hilal*, M. Abu Ied, M. AlSubu, S.Khalaf , J. Mol. Catal., 39(1987)1-11.
Summary
Decacarbonyldimanganese(0) complex, Mn2(CO)10, has been evaluated
as a catalyst for hydrosilylation reactions of 1-hexene with tertiary silanes,
Et$iH and (EtO)3SiH. The reaction of Et3SiH appears to be first order with
respect to the catalyst, to the hexene and to the silane, although catalyst
deactivation occurs when relatively high silane concentrations are used. The
reaction rate is slightly affected by varying the type of the silane used. The
rate of disappearance of the tertiary silane is consistent with that of the
l-hexene, which means that the catalyst is selective to hydrosilylation
reactions. This was confirmed by following the rates of disappearance of
Si-H and C=C IR bands at 2210, 2100 and 1650 cm-’ for (EtO)sSiH,
Et&H and l-hexene respectively. A comprison of the behaviour of
Mn2(CO)10 with that of Co2(CO)8 is reported here, together with a suggested
mechanism for the manganese catalyst.
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