期刊
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
卷 137, 期 35, 页码 11214-11217出版社
AMER CHEMICAL SOC
DOI: 10.1021/jacs.5b05992
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资金
- DST India [SB/S1/IC-25/2013]
The reduction of CO, by an iron porphyrin complex with a hydrogen bonding distal pocket involves at least two intermediates. The resonance Raman data of intermediate I, which could only be stabilized at -95 degrees C, indicates that it is a Fe(II)-CO22- adduct and is followed by an another intermediate II at -80 degrees C where the bound CO, in intermediate I is protonated to form a Fe(II)COOH species. While the initial protonation can be achieved using weak proton sources like MeOH and PhOH, the facile heterolytic cleavage of the C-OH bond in intermediate II requires strong acids.
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