Citation: Ying Ping Jia, Ying Na Cui, Jing Mei Yin, Guang Yun Zhou, Shen Min Li, Da Bin Gao, Xiang Sheng Wang. Cobalt-catalyzed photopromoted carbonylation of chloroalkanes in the presence of KI[J]. Chinese Chemical Letters, ;2010, 21(9): 1033-1036. doi: 10.1016/j.cclet.2010.04.027 shu

Cobalt-catalyzed photopromoted carbonylation of chloroalkanes in the presence of KI

a State Key Laboratory of Fine Chemicals, Dalian University of Technology, Dalian 116012, China;
b Liaoning Key Laboratory of Bio-organic Chemistry, Dalian University, Dalian 116622, China

Received Date: 21 December 2009

The photopromoted carbonylation of chloroalkanes with carbon monoxide catalyzed by cobalt compounds[Co(OAc)2, CoCl₂]in the presence of KI was carried out under ambient conditions. The results revealed that the catalytic activity of Co(OAc)₂ was higher than that of CoCl₂. A basic additive NaOAc was beneficial to the reaction. Interestingly, with NaOAc as an additive, Co(OAc)₂ and COCl₂ exhibited similar catalytic activity. Preliminary work showed that the role of iodide ion was initially to form active iodoalkanes via substituting chloride ion in chloroalkanes in situ, and then, the carbonylation of iodoaikanes proceeded under irradiation.
- Photopromoted carbonylation,
- Chloroalkanes,
- Cobalt complexes,
- KI
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