Journal
CHEMSUSCHEM
Volume 11, Issue 20, Pages 3672-3678Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/cssc.201801287
Keywords
amidation; C-H activation; directing groups; ionic liquids; rhodium
Funding
- National Natural Science Foundation of China (NSFC) [81573286, 81773577, 81602954]
- Fundamental Research Funds for the Central Universities [YJ201561]
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A [Cp*Rh-III]-catalyzed direct C-H amidation is carried out in ionic liquid. Both C(sp(2))-H bonds of (hetero)arenes and alkenes and unactivated C(sp(3))-H bonds can be easily amidated with high functional-group tolerance and excellent yields under these conditions. Notably, using [Cp*Rh-III]/[BMIM]BF4 (BMIM = 1-butyl-3-methylimidazolium) as the green and recyclable medium is environmentally benign, in light of characteristics such as the reusability of the expensive rhodium catalyst, avoidance of highly toxic organic solvents, and mild reaction conditions, as well as a short reaction time.
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