Synthesis of cationic heteronuclear dimetal compounds with bridging alkylidyne ligands: X-ray crystal structures of [(η-C5H5)(OC)2Mn(µ-CC6H4-Me-p)Pt(PMe3)2]BF4·CH2Cl2 and [(Me3P)(OC)4Cr{µ-C(CO2Me)Ph}Pt(PMe3)2]
Abstract
The dimetal complexes [(η-C5H5)(OC)2[graphic omitted]t(PR3)2](M = Mn, PR3= PMe3; M = Re, PR3= PMe2Ph) react with Me3O+BF4– to give the salts [(η-C5H5)(OC)2[graphic omitted]t(PR3)2]BF4, the manganese compound being characterised by an X-ray diffraction study; reaction of these salts with methoxide anion regenerates the neutral species, but in contrast treatment of the cation [(Me3P)(OC)4[graphic omitted]t(PMe3)2]+ with methoxide affords [(Me3P)(OC)4[graphic omitted]t(PMe3)2], also characterised by X-ray diffraction.
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