Cobalt(ii)-catalyzed oxidative esterification of aldehydes: a cooperative effect between cobalt and iodide ions

Literature Information

Publication Date 2015-11-16
DOI 10.1039/C5QO00293A
Impact Factor 5.281
Authors

Ya-Fei Guo, Bao-Hua Xu, Ting Li, Lei Wang, Suo-Jiang Zhang


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Abstract

The efficient cobalt(II) catalyzed oxidative alkoxylation of aldehydes, a method directly leading to the corresponding esters, is presented. Mechanism studies provide extensive insights into the cobalt mediated decomposition of TBHP in the presence of the iodide ion. The in situ generated hypoiodites (IOβˆ’/IO2βˆ’) mainly from conversion of I3βˆ’ to IO3βˆ’ account for a cooperative effect with the oxygen centered radical species to make the important hydrogen abstraction of hemiacetal intermediates more selective, thereby offering high efficiency.

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Organic Chemistry Frontiers

Organic Chemistry Frontiers
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Organic Chemistry Frontiers publishes high-quality research from across organic chemistry. Emphases are placed on studies that make significant contributions to the field of organic chemistry by reporting either new or significantly improved protocols or methodologies. Topics include, but are not limited to the following: Organic synthesis Development of synthetic methodologies Catalysis Natural products Functional organic materials Supramolecular and macromolecular chemistry Physical and computational organic chemistry

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