methyl 7-(4-carbamoylphenoxy)-6-cyanochroman-4-carboxylate 、
2-氯-5-三氟甲基吡啶 在
(2R)-1-[(1R)-1-[bis(1,1-dimethylethyl)phosphino]ethyl]-2-(dicyclohexylphosphino)ferrocene 、 palladium diacetate
caesium carbonate 作用下,
以
乙二醇二甲醚 为溶剂,
反应 5.0h,
以11%的产率得到methyl 7-(4-((5-(trifluoromethyl)pyridin-2-yl)carbamoyl)phenoxy)-6-cyanochroman-4-carboxylate