Synthesis of Internal Alkynes through the Pd-Catalyzed Coupling of Heteroaryl Halides with Terminal Alkynes
作者:Linhua Lu、Hong Yan、Peng Sun、Yan Zhu、Hailong Yang、Defu Liu、Guangwei Rong、Jincheng Mao
DOI:10.1002/ejoc.201201689
日期:2013.3
Sonogashira-type cross-couplings of functionalized heterocyclic halides with terminalalkynes were performed efficiently at room temperature. The heteroarylhalides were easily prepared from the corresponding heterocyclic compounds. The catalytic system tolerated a very broad scope of substrates; oxazoles, thiazoles, and furans participate in this type of reaction for the first time. This reaction