Copper-Catalyzed Defluorinative Borylation and Silylation of gem-Difluoroallyl Groups.
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DOI: 10.1021/acs.orglett.0c02321
Abstract: Stereodefined (Z)-fluoroalkenes are bioisosteres of amides and synthetic precursors to value-added fluorinated compounds, but their stereoselective synthesis remains challenging. Herein, we report a copper-catalyzed formal SN2' defluorinative borylation of 3-substituted 3,3-difluoropropenes to form 3-fluoroallylboronic esters… read more here.
Keywords: borylation silylation; catalyzed defluorinative; silylation gem; defluorinative borylation ... See more keywords
Copper-Catalyzed Borylation and Silylation of Dichlorocyclobutenones.
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DOI: 10.1021/acs.orglett.3c00765
Abstract: We report copper-catalyzed borylation and silylation of dichlorocyclobutenones, which furnish the boron-substituted and silicon-substituted polyfunctionalized cyclobutenones in high yields. The reactions proceed under mild reaction conditions, show broad substrate scope, and display high chemoselectivity. In… read more here.
Keywords: copper catalyzed; silylation dichlorocyclobutenones; borylation silylation; catalyzed borylation ... See more keywords
Borylation, silylation and selenation of C–H bonds in metal sandwich compounds by applying a directing group strategy
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DOI: 10.1039/c7nj02388j
Abstract: Palladium-mediated borylation, silylation, and selenation have been achieved by C–H activation using bidentate directing groups linked on iron and cobalt sandwich compounds. Herein, the first examples of borylation and silylation using pyridine-N-oxide and (2-methylthio)phenyl directing… read more here.
Keywords: borylation silylation; silylation selenation; borylation; sandwich compounds ... See more keywords