Journal
ORGANIC CHEMISTRY FRONTIERS
Volume 6, Issue 13, Pages 2215-2219Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c9qo00391f
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Funding
- National Natural Science Foundation of China [21772179, 21672192]
- Program for Science & Technology Innovation Talents in Universities of Henan Province [19HASTIT038]
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A method for Cu-mediated direct ortho-C-H sulfonylation of benzoic acid derivatives was developed by employing a PyO-directing group. For the first time, TosMIC could act as a sulfonyl source instead of sulfonyl chlorides or sulfinate salts. This protocol featured cheap metal catalysis, broad functional group compatibility and easy handling nature. Moreover, the PyO-directing group could be efficiently removed in one step.
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