(4Z)-3-(1-methylethylidene)-4-[1-(2-methylthieno[3,2-b]-[1]benzothiophen-3-yl)ethylidene]dihydrofuran-2,5-dione 以
toluene-d6 为溶剂,
生成 4,10a,11,11-tetramethyl-10a,11-dihydro[1]benzothiopheno[2',3':4,5]thieno[2,3-f][2]benzofuran-1,3-dione 、
(4E)-3-(1-methylethylidene)-4-[1-(2-methylthieno[3,2-b]-[1]benzothiophen-3-yl)ethylidene]dihydrofuran-2,5-dione