Journal
ORGANIC LETTERS
Volume 20, Issue 13, Pages 3776-3779Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acs.orglett.8b01363
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Funding
- National Natural Science Foundation of China [21502124, 21372266]
- 973 Project from the MOST of China [2015CB856600]
- 1000-Youth Talents Program
- Fundamental Research Funds for the Central Universities
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The first catalytic lactonization of unactivated aryl C-H bonds with CO2 to afford important phthalides is reported. Notably, this method features high selectivity, excellent functional group tolerance, smooth scalability, and facile product diversification. DFT calculations reveal that a novel insertion of two CO2 into the O-Pd bond of a palladacycle might be the key step, providing great potential and a different perspective for carbonylation with CO2.
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