期刊
ORGANIC LETTERS
卷 23, 期 2, 页码 346-350出版社
AMER CHEMICAL SOC
DOI: 10.1021/acs.orglett.0c03855
关键词
-
资金
- National Natural Science Foundation of China [21421002, 21991211]
- Strategic Priority Research Program of the Chinese Academy of Sciences [XDB20000000]
The first copper and zinc copromoted trifluoromethylation using trifluoromethanesulfonic anhydride (Tf2O) as a trifluoromethylating reagent has been developed, affording bromo(chloro)trifluoromethylated products in good yields. CuX2 plays a dual role as the catalyst and halide source, whereas 2,2'-bipyridine acts as both the activation reagent and ligand.
The first copper and zinc copromoted trifluoromethylation using trifluoromethanesulfonic anhydride (Tf2O) as a trifluoromethylating reagent has been developed. The reaction of alkenes or alkynes with Tf2O in the presence of CuX2 (X = Br, Cl), Zn powder, and 2,2'-bipyridine affords bromo(chloro)trifluoromethylated products in good yields. CuX2 plays a dual role as the catalyst and halide source, whereas 2,2'-bipyridine acts as both the activation reagent and ligand.
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