Copper-Catalyzed [2 + 2 + 3] Annulation of 1,6-Enynes with α-Bromo-1,3-Dicarbonyl Compounds: Synthesis of Dihydrooxepines
作者:Lan Zheng、Yong-Min Liang
DOI:10.1021/acs.joc.7b00879
日期:2017.7.7
Copper-catalyzed [2 + 2 + 3] annulation of 1,6-enynes with α-bromo-1,3-dicarbonyl compounds is described. This reaction provides facile access to seven-membered dihydrooxepines for epidithiodiketopiperazines with two newly formed C–C bonds and one C–O bond.