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Several silica-supported poly-γ-aminopropylsiloxane-monometal and bimetal complexes （Si-NH

2

-M

M = Cu or Co ; Si-NH

2

-Cu-M’

M’ =Co

Sn

Mn

Ni or Fe） have been prepared. Their catalytic properties for oxidative ethoxycarbonylation of aniline to ethyl phenylcarbamate have been investigated.The catalytic reaction was carried out under relatively mild conditions. The catalyst Si-NH

2

-Cu-CO had high activity and selectivity

and the turn-over number （molar of aniline converted/molar of metal in Si-NH

2

-Cu-CO added） could amount to 450 under the conditions: 150℃

4 MPa （CO/O

2

=3） and 40 hours.The results of XPS and IR indicated that the coordination bonds were formed between nitrogen and metals in Si-NH2-Cu

Si-NH

2

-Co and Si-NH

2

-Cu-Co

and the coordination pattern was not single. In the oxidative ethoxycarbonylation of aniline to ethyl phenylcarbamate

the catalytic property of Si-NH

2

-Cu-CO bimetallic complex was better than Si-NH

2

-Cu or Si-NH

2

-Co monometatlic complex. This indicated that there was synergistic action between different metals in the bimetallic complex.