Polymer-supported selenium reagents for organic synthesis ... KC Nicolaou,*† Joaquín Pastor, Sofia Barluenga and Nicolas Winssinger Department of Chemistry and The Skaggs Institute for Chemical Biology, The Scripps Research Institute, 10550 North Torrey Pines Road, La Jolla, California 92037, USA Department of Chemistry and Biochemistry, University of California, San Diego, 9500 Gilman Drive, La Jolla, California 92093, USA