3 years ago

A Monomeric Tricobalt(II)-Substituted Dawson-Type Polyoxometalate Decorated by a Metal Carbonyl Group: [P2W15O56Co3(H2O)3(OH)3Mn(CO)3]8–

A Monomeric Tricobalt(II)-Substituted Dawson-Type Polyoxometalate Decorated by a Metal Carbonyl Group: [P2W15O56Co3(H2O)3(OH)3Mn(CO)3]8–
Yanjun Niu, Jiage Jia, Pengtao Ma, Jingping Wang, Jingyang Niu, Chao Zhang, Dongdi Zhang, Panpan Zhang
The monomeric tricobalt(II)-substituted phosphotungstate ion, [H9P2W15O62Co3]9−, is stabilized by the attachement of an organometallic group, {Mn(CO)3}, for the first time. The resulting polyoxometalate-supported [Mn(CO)3]+ complex (1) can be used as an efficient catalyst in the cycloaddition of CO2 with epoxides under mild reaction conditions with pyrrolidinium bromide as a cocatalyst. The weaker ferromagnetic interactions are present at low temperature in 1.

Publisher URL: http://dx.doi.org/10.1021/acs.inorgchem.7b01231

DOI: 10.1021/acs.inorgchem.7b01231

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