期刊
ACS CATALYSIS
卷 3, 期 3, 页码 389-392出版社
AMER CHEMICAL SOC
DOI: 10.1021/cs300725j
关键词
electrocatalysis; palladium; carbene ligands; carbonylation; phosgene-free
资金
- Japanese government [2365608]
Electrocarbonylation of phenol with CO to diphenyl carbonate was studied using a homogeneous Pd electrocatalyst. Various ligands were screened, and N-heterocyclic carbene (NHC) groups, such as 1,3-dimesitylimidazol-2-ylidene, were found to be effective for the electrocarbonylation. An in situ-generated NHC derived from a 1,3-dialkylimidazolium chloride was also effective for the electro-carbonylation, and 1,3-di(tert-butyl)imidazoline chloride was the most effective NHC precursor, with a stronger electron donating ability to PdCl2(MeCN)(2) electrocatalyst.
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