Regiospecific synthesis of quinizarin derivatives by cycloaddition
作者:Donald W. Cameron、Geoffrey I. Feutrill、Peter G. McKay
DOI:10.1016/s0040-4039(01)92528-6
日期:1981.1
Cycloadditionof ()-1,1,4-trimethaxy-1,3-butadiene (1) to naphthoquinones affords regiospecific syntheses of derivatives of 1,4-dihydroxyanthraquinone including the mould metabolites helminthosporin (21) and cynodontin (22).