A new route to 1-phenylnaphthalenes by cycloaddition: a simple and selective synthesis of some naphthalene lignan lactones
作者:Seiichi Takano、Shizuo Otaki、Kunio Ogasawara
DOI:10.1016/s0040-4039(00)98577-0
日期:1985.1
2-(2-Dithianyl)benzhydrols ( a-c) undergo facile cycloaddition reaction with maleic anhydride under thermal conditions to give 1-phenyl-naphthalenes ( a-c) in one step. The naphthalenes ( a-c) have been converted into the naphthalene lignan lactones, ( a-c) and ( a-c).