xanthone

Xanthone was efficiently synthesized from o-chlorobenzoic acid first by etherization and then by Friedel-Crafts reaction in the presence of aluminium trichloride.

以邻氯苯甲酸为原料,先醚化,再在三氯化铝的作用傅-反,洁、高效的合成呫吨酮。