LIU, LILIAN, KAO;LUO, FEN-TAIR;SHIA, SEE-YING, J. CHIN. CHEM. SOC., 1982, 29, N 1, 21-27
作者:LIU, LILIAN, KAO、LUO, FEN-TAIR、SHIA, SEE-YING
DOI:——
日期:——
Decatungstate as Direct Hydrogen Atom Transfer Photocatalyst for SOMOphilic Alkynylation
作者:Luca Capaldo、Davide Ravelli
DOI:10.1021/acs.orglett.1c00381
日期:2021.3.19
A versatile approach for the alkynylation of a variety of aliphatic hydrogen donors, including alkanes, is reported. We used tetrabutylammonium decatungstate as photocatalyst to generate organoradicals from C–H/Si–H bondsvia hydrogen atom transfer. The latter intermediates underwent SOMOphilic alkynylation by methanesulfonyl alkynes to afford internal alkynes upon loss of a sulfonyl radical. The effect