Transformations of fac-Re(dmbpy)(CO)₃(CO₂H) in the presence of carbon dioxide (dmbpy=4,4′-dimethyl-2,2′-bipyridine)

Abstract

Reactions of fac-Re(dmbpy)(CO)₃(CO₂H) 1 or fac, fac-Re(dmbpy)(CO)₃(CO₂)Re(dmbpy)(CO)₃ 2 with CO₂, in DMSO or DMF containing small amounts of water, lead to the bicarbonato complex, fac-Re(dmbpy)(CO)₃[OC(O)OH] 4; the formato complex, fac-Re(dmbpy)(CO)₃(OCHO) 5, is not a major product in any of these reactions.

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