Stereo‐ and Regioselective Cu‐Catalyzed Hydroboration of Alkynyl Chalcogenoethers
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DOI: 10.1002/cctc.202000395
Abstract: A mild stereo‐ and regioselective Cu‐catalyzed hydroboration method for the synthesis of (Z)‐seleno‐alkenyl boronates and (Z)‐thio‐alkenylboronates from internal alkynes in the presence of commercially available B2pin2 is presented. This highly selective transformation relies on the… read more here.
Keywords: regioselective catalyzed; stereo regioselective; alkynyl chalcogenoethers; hydroboration alkynyl ... See more keywords
Copper-catalyzed stereo- and regioselective hydrophosphorylation of terminal alkynes: scope and mechanistic study
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DOI: 10.1039/d2ra02908a
Abstract: Herein, a protocol for copper-catalyzed highly stereo- and regioselective hydrophosphorylation of terminal alkynes to E-alkenylphosphorus compounds was well developed. It represents a general and practical hydrophosphorylation method, of which diarylphosphine oxide, dialkylphosphine oxide and dialkyl… read more here.
Keywords: regioselective hydrophosphorylation; stereo regioselective; hydrophosphorylation terminal; terminal alkynes ... See more keywords