Ni-catalyzed intramolecular cycloaddition of methylenecyclopropanes to alkynes.
Ni-catalyzed intramolecular cycloaddition of methylenecyclopropanes (MCPs) to arkylalkynes via proximal bond cleavage is reported. The reaction provides a facile route for the preparation of cyclopenta[a]indene derivatives.
Department of Chemistry, Zhejiang University, Hangzhou 310027, P. R. China.
Bangben
B
Yao
Yong
Y
Li
Zunjun
Z
Liang
Yuhong
Y
Zhang