The Ni-catalysed reaction of triallylindium with internal alkynes underwent bis-allylation to afford octa-1,4,7-trienes in high yield.
在镍催化下,三烯丙基铟与内部炔烃发生双烯丙基化反应,以高产率获得辛-1,4,7-三烯。
Zirconium mediated or catalysed highly stereoselective cyclization of 1,4,7-trienes
作者:Tamotsu Takahashi、Martin Kotora、Kayoko Kasai
DOI:10.1039/c39940002693
日期:——
Cyclization of 1,4,7-trienes, which are easily prepared by double allylation reaction of alkynes, proceeded in the presence of a stoichiometric or catalytic amount of zirconocene compounds to give only cis isomers (>98% stereoselectivity).