Trifluoromethylation of a Well-Defined Square-Planar Aryl-NiII Complex involving NiIII /CF3 . and NiIV −CF3 Intermediate Species
نویسندگان
چکیده
منابع مشابه
Copper-catalyzed trifluoromethylation of aryl boronic acids using a CF3+ reagent.
A copper-catalyzed process for trifluoromethylation of aryl, heteroaryl, and vinyl boronic acids has been developed. The reaction is conducted under mild conditions and shows tolerance to moisture and a variety of functional groups.
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Perfluoromalonyl difluoride reacts with TMS-CF3 (1:1) in the presence of KF to give the new diketone CF2(C(O)CF3)2. A large excess (5:1) of TMS-CF3 results in the presumed potassium dialkoxide [(CF3)2COK]2CF2 which yields the 1,3-ditertiarydiol [(CF3)2C(OH)]2CF2 on reaction with H2SO4.
متن کاملGeneration of the CF3 radical from trifluoromethylsulfonium triflate and its trifluoromethylation of styrenes.
The CF(3) radical was generated from the reaction of S-(trifluoromethyl)diphenylsulfonium triflate with Na(2)S(2)O(4) or HOCH(2)SO(2)Na under suitable conditions without further reduction. Based on this, a method for the synthesis of α-trifluoromethylated ketones has been successfully developed.
متن کاملPreparation, crystallographic characterization and theoretical study of C70(CF3)16 and C70(CF3)18.
C70(CF3)16 and C70(CF3)18, the first trifluoromethylated fullerene derivatives to comprise a pair of adjacent CF3 groups, have been isolated from a mixture obtained via reaction of C70 with CF3I, characterized in a single crystal XRD study and theoretically investigated at the DFT level of theory.
متن کاملInvestigations into Transition Metal Catalyzed Arene Trifluoromethylation Reactions.
Trifluoromethyl-substituted arenes and heteroarenes are widely prevalent in pharmaceuticals and agrochemicals. As a result, the development of practical methods for the formation of aryl-CF3 bonds has become an active field of research. Over the past five years, transition metal catalyzed cross-coupling between aryl-X (X = halide, organometallic, or H) and various "CF3" reagents has emerged as ...
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ژورنال
عنوان ژورنال: Chemistry - A European Journal
سال: 2017
ISSN: 0947-6539
DOI: 10.1002/chem.201702168