Copper-catalyzed trifluoromethylation of alkenes: synthesis of trifluoromethylated benzoxazines
A simple base and ligand free copper catalyzed method for the construction of
trifluoromethylated benzoxazines has been developed by using Umemoto's reagent. It
involves the oxidative difunctionalization of alkenes through tandem C–O and C–CF3 bond
formations. Furthermore, synthesized benzoxazines were selectively converted into
trifluoromethylated allylic and (E)-vinylic benzamides by the treatment of KOtBu and CH3Li,
respectively.
trifluoromethylated benzoxazines has been developed by using Umemoto's reagent. It
involves the oxidative difunctionalization of alkenes through tandem C–O and C–CF3 bond
formations. Furthermore, synthesized benzoxazines were selectively converted into
trifluoromethylated allylic and (E)-vinylic benzamides by the treatment of KOtBu and CH3Li,
respectively.
A simple base and ligand free copper catalyzed method for the construction of trifluoromethylated benzoxazines has been developed by using Umemoto's reagent. It involves the oxidative difunctionalization of alkenes through tandem C–O and C–CF3 bond formations. Furthermore, synthesized benzoxazines were selectively converted into trifluoromethylated allylic and (E)-vinylic benzamides by the treatment of KOtBu and CH3Li, respectively.
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