trans-1-bromo-3-methylbuta-1,3-diene 、
3-Acetoxy-6-methoxy-8-methylnaphthoquinone 生成 (+/-)-2,3,4,5-Tetrahydro-7-methoxy-2,2,3,9-tetramethylnaphtho<1,2-b>furan-4,5-dione <(+/-)-β-Isotrypethelone methyl ether> 、
(+/-)-2,3,4,5-Tetrahydro-7-methoxy-2,3,3,9-tetramethylnaphtho<1,2-b>furan-4,5-dione <(+/-)-Trypethelone Methyl Ether>