废止
催化作用
化学
异步通信
铜
组合化学
四级碳
计算机科学
有机化学
电信
对映选择合成
作者
Kuiyong Dong,Chao Pei,Qian Zeng,Lihua Qiu,Wenhao Hu,Yu Qian,Xinfang Xu
摘要
A copper-catalyzed [4+1]-annulation of 2-vinylindoles with diazoacetates has been developed that provides a straightforward access to the dihydrocyclopenta[b]indoles bearing two contiguous all-carbon quaternary centers in good yields. Mechanistic studies indicate that the reaction goes through a concerted and asynchronous annulation process via the key zwitterionic intermediate.
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