3-(4-hydroxyphenyl)-4-(3-hydroxyphenyl)furan 、
乙烯磺酸苯酯 反应 18.0h,
生成 6-(3-hydroxyphenyl)-5-(4-hydroxyphenyl)-7-oxabicyclo[2.2.1]hept-5-ene-2-sulfonic acid phenyl ester 、 6-(4-hydroxyphenyl)-5-(3-hydroxyphenyl)-7-oxabicyclo[2.2.1]hept-5-ene-2-sulfonic acid phenyl ester