PPh3-catalyzed unexpected alpha-addition reaction of 1-(o-hydroxyaryl)-1,3-diketones to terminal alkynoates: a straightforward synthesis of multifunctional vinylesters.
PPh3-catalyzed alpha-addition reactions of 1-(o-hydroxyaryl)-1,3-diketones to terminal alkynoates involving carbon-carbon bond cleavage to give multifunctional vinylesters are described.
Meng
Ling-Guo
LG
Department of Chemistry, University of Science and Technology of China, Hefei 230026, P. R. China.
Hu
Bin
B
Wu
Quan-Ping
QP
Liang
Mao
M
Xue
Song
S