Carbon monoxide insertion at a heavy p-block element: unprecedented formation of a cationic bismuth carbamoyl.

ABSTRACT: Major advances in the chemistry of 5th and 6th row heavy p-block element compounds have recently uncovered intriguing reactivity patterns towards small molecules such as H₂, CO₂, and ethylene. However, well-defined, homogeneous insertion reactions with carbon monoxide, one of the benchmark substrates in this field, have not been reported to date. We demonstrate here, that a cationic bismuth amide undergoes facile insertion of CO into the Bi-N bond under mild conditions. This approach grants direct access to the first cationic bismuth carbamoyl species. Its characterization by NMR, IR, and UV/vis spectroscopy, elemental analysis, single-crystal X-ray analysis, cyclic voltammetry, and DFT calculations revealed intriguing properties, such as a reversible electron transfe

SUBMITTER: Ramler J 

PROVIDER: S-EPMC6471928 | biostudies-literature | 2019 Apr

REPOSITORIES: biostudies-literature