N -Heterocyclic Carbene-Catalyzed Trifluoromethylation of Aromatic N -Tosylaldimines
Topics in Catalysis(2018)
摘要
Nucleophilic trifluoromethylation of aromatic N -tosylaldimines has been achieved using trifluoromethyltrimethylsilane (TMSCF 3 ) in the presence of the in situ generated N -heterocyclic carbene catalysts. Aromatic N -tosylaldimines with electron-withdrawing as well as electron-donating groups on the aryl ring afforded the corresponding trifluoromethylated sulfonamides in moderate to good yields. Graphical Abstract
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关键词
N -Heterocyclic carbene,TMSCF 3
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