Chun Yu Sung, Ko Young Ok, Shin Hyunik, Lee Sang-gi
Department of Chemistry and Nano Science (BK21), Ewha Womans University, Seoul 120-750, Korea.
Org Lett. 2009 Aug 6;11(15):3414-7. doi: 10.1021/ol901241s.
The in situ generated Blaise reaction intermediate, a zinc bromide complex of beta-enaminoester, reacts with various unactivated terminal alkynes and an internal alkyne under mild conditions to afford alpha-vinylated beta-enaminoesters in good to excellent yields.
原位生成的布莱斯反应中间体,即β-烯胺酯的溴化锌配合物,在温和条件下与各种未活化的端炔和内炔反应,以良好至优异的产率得到α-乙烯基化的β-烯胺酯。