首页|A perspective on exploration of synthetic reaction pathways of stable metallocarboxylic acids and structural features of MCOOH moiety
A perspective on exploration of synthetic reaction pathways of stable metallocarboxylic acids and structural features of MCOOH moiety
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NSTL
Elsevier
Catalytic transformation of CO and steam to CO2 and H 2 takes place in Water-gas shift reaction (WGSR) while the metallozyme-Carbon monoxide dehydrogenase (CODH) catalyses the conversion of atmospheric CO to CO2 with release of 2H + and 2e (-). Both reactions proceed via an intermediate metallocarboxylic acid. Thus, synthetic approaches and related reaction pathways for stabilizing M-COOH bonded complexes are imperative for further development of model systems to carry out CODH activity. This review summarizes the synthesis of structurally characterized hydroxy carbonyls via selective nucleophilic attack of water or alkali at the C-centre of metal carbonyls, insertion of CO2 into M-H bond and insertion of CO into M-OH bond. The proposed pathways as well the nature of M-C, C-O and C-OH bonds in the MCO2H moieties have also been described. Furthermore, stabilization of quite a few hydroxy carbonyls in crystalline state has also found to be attributed to intermolecular hydrogen bonding. (C) 2022 Elsevier B.V. All rights reserved.
NSTL
Elsevier
