Electron-Transfer Photoredox Catalysis: Development of a Tin-Free Reductive Dehalogenation Reaction
Jagan M. R. Narayanam, Joseph W. Tucker and Corey R. J. Stephenson*
*Department of Chemistry, Boston University, Boston,
Massachusetts 02215, Email: crjsteph
bu.edu
J. M. R. Narayanam, J. W. Tucker, C. R. J. Stephenson, J. Am. Chem. Soc., 2009, 131, 8756-8757.
DOI: 10.1021/ja9033582
Abstract
An operationally simple, tin-free reductive dehalogenation system allows the reduction of activated C-X bonds in good yields with excellent functional-group tolerance and chemoselectivity over aryl and vinyl C-X bonds in the presence of the well-known visible-light-activated photoredox catalyst Ru(bpy)3Cl2 in combination with iPr2NEt and HCO2H or Hantzsch ester as the hydrogen atom donor.
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Key Words
Dehalogenations, Hantzsch Ester, Formic Acid
ID: J48-Y2009-1950
