3,3'-(2-acetoxy-14,34-dimethyl-31H-1,3,5(2,5)-tripyrrola-7(2,5)-thiophena-cyclooctaphane-1(2),4,6,7(8)-tetraene-13,33-diyl)-bis-propionic acid diethyl ester 在
aluminum oxide 作用下,
以
氯仿 为溶剂,
生成 3,3'-(2-hydroxy-1
4,3
4-dimethyl-3
1H-1,3,5(2,5)-tripyrrola-7(2,5)-thiophena-cyclooctaphane-1(2),4,6,7(8)-tetraene-1
3,3
3-diyl)-bis-propionic acid diethyl ester