Ir(iii)-catalyzed thioether directed arene C–H alkenylation
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چکیده
منابع مشابه
Palladium(II)-catalyzed direct alkenylation of dihydropyranones.
A palladium(II)-catalyzed direct alkenylation reaction of dihydropyranones was developed. Various substituted dihydropyranones could afford the desired products in reasonable yields. And different acrylates were found to be good coupling partners in this coupling reaction. A Pd(0)/Pd(II) catalytic pathway was proposed to be involved in this coupling reaction.
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A cobalt–N-heterocyclic carbene (NHC) catalyst efficiently promotes an ortho C–H alkenylation reaction of pivalophenone N–H imine with an alkenyl phosphate. The reaction tolerates various substituted pivalophenone N–H imines as well as cyclic and acyclic alkenyl phosphates. Introduction Transition-metal-catalyzed, directing group-assisted arene C–H activation reactions have been extensively stu...
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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: RSC Advances
سال: 2019
ISSN: 2046-2069
DOI: 10.1039/c9ra06811b