2,6-dipropamidopyridine-4-tributyltin 、
5-Bromo-2,7-di-tert-butyl-9,9-dimethyl-9H-xanthene-4-carboxylic acid (4-methylsulfanyl-phenyl)-amide 在
bis-triphenylphosphine-palladium(II) chloride 作用下,
以
甲苯 为溶剂,
反应 3.0h,
以27%的产率得到5-(2,6-Bis-propionylamino-pyridin-4-yl)-2,7-di-tert-butyl-9,9-dimethyl-9H-xanthene-4-carboxylic acid (4-methylsulfanyl-phenyl)-amide