3,3-dimethyl-9-hydroxy-8-methoxy-3,4-dihydroanthracen-1(2H)-one 、
lead(II) thiocyanate 在
(二氯碘)-苯 作用下,
生成 (10-Hydroxy-4-methoxy-7,7-dimethyl-5-oxo-6,8-dihydroanthracen-1-yl) thiocyanate 、 (10-Hydroxy-5-methoxy-2,2-dimethyl-4-oxo-1,3-dihydroanthracen-9-yl) thiocyanate