Rhodium-Catalyzed Asymmetric Hydroselenation of 1-Alkynylindoles for Atroposelective Synthesis of Vinyl Selenoethers
Yulong Kang,
Fen Wang,
Xingwei Li
Abstract:Catalytic
asymmetric hydrofunctionalization of π-bonds has
been extensively studied, but the asymmetric hydrofunctionalization
of alkynes that affords atropoisometric products remains heavily underexplored.
We herein report [Rh(COD)OAc]2/Mg(NTf2)2-catayzed highly atroposelective hydroselenation of two classes
of 1-alkynylindoles using selenophenols, where the Mg(II) salt both
activates the Rh catalyst and provides a key NTf2 anion
essential for the catalytic activity and enantioselectivity, affording
C–N axial… Show more
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