Intramolecular, Cr(0)-promoted [6Ï+2Ï] cycloaddition of alkynes tethered to cyclic triene ligands affords a variety of tricyclic adducts in good yield.
在 Cr(0)-promoted [6Ï+2Ï] cycloaddition of alkynes tethered to cyclic triene ligands 的分子内、Cr(0)-promoted [6Ï+2Ï] cycloaddition 中,以良好的收率生成了多种三环加合物。
Synthesis of the barbaralone nucleus via photocyclization of an alkynyl tropone
作者:Ken S Feldman、John H Come、Glenn J Fegley、Bradley D Smith、M Parvez
DOI:10.1016/s0040-4039(00)95792-7
日期:1987.1
Cyclopentannulated barbaralones / are formed in fair to good yield upon irradiation of 2-alkynyl tropones .