Abstract
The reaction of Re2(CO)10 with LiSi(C6H5)3 and subsequent alkylation by (C2H5)3OBF4 yields not only (CO)9Re2C(OC2H5)Si(C6H5)3 but also Re1-ax,Re2-eq-[C(OC2H5)Si(C6H5)3]2(CO)8Re2 (1). The analogous isomeric complexes Re1-ax-[C(OC2H5)C6H4CH3]-Re2-eq-[C(OC2H5)Si(C6H5)3](CO)8Re2 (2) and Re1-ax-[C(OC2H5)Si(C6H5)3]-Re2-eq-[C(OC2H5)C6H4CH3](CO)8Re2 (3) are obtained by treatment of eq- or ax-(CO)9Re2C(OC2H5)Si(C6H5)3 with LiC6H4CH3 and subsequent alkylation by (C2H5)3OBF4. Reaction conditions, and properties and spectroscopic data of the new compounds are reported
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