Journal
ORGANIC LETTERS
Volume 22, Issue 17, Pages 6897-6902Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acs.orglett.0c02429
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Funding
- National Natural Science Foundation of China [21871151, 21672108]
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The transition-metal-catalyzed direct carboxylation of an unactivated C-H bond is rarely reported, and no example of catalysis using abundant and cheap nickel has been reported. In this work, the first Ni-catalyzed direct carboxylation of an unactivated C-H bond under an atmospheric pressure of CO2 is reported. This method affords moderate to high carboxylation yields of various methyl carboxylates under mild conditions. Preliminary mechanistic studies reveal that a Ni(0)-Ni(II)-Ni(I) catalytic cycle may be involved in this reaction.
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