Total Synthesis of (-)-Corynantheidine by Nickel-Catalyzed Carboxylative Cyclization of Enynes
作者:Takashi Mizuno、Yoshihiro Oonishi、Masanori Takimoto、Yoshihiro Sato
DOI:10.1002/ejoc.201100147
日期:2011.5
The total synthesis of (―)-corynantheidine has been achieved through Ni°-mediated carboxylative cyclization as the key reaction step with incorporation of CO 2 , and this cyclization was also successfully expanded to the catalytic reaction by using Et 2 Zn in the presence of an excess amount of DBU.
以Ni°介导的羧化环化反应为关键反应步骤,引入了CO 2 ,实现了(―)-苎烯碱的全合成,并且在Et 2 Zn的存在下,该环化反应也成功地扩展为催化反应。过量的 DBU。