二甲基氯化铝 、
2-氨基-5-甲基吡啶 、 5-(2-Chloro-benzyloxy)-2,2-dimethyl-chroman-7-carboxylic acid methyl ester 、 7-(2-Chloro-benzyloxy)-2,2-dimethyl-chroman-5-carboxylic acid methyl ester 在
7-(2-chloro-benzyloxy)-2,2-dimethyl-chroman-5-carboxylic acid (5-methyl-pyridin-2-yl)-amide 作用下,
以gave 5-(2-chloro-benzyloxy)-2,2-dimethyl-chroman-7-carboxylic acid (5-methyl-pyridin-2-yl)-amide (374) (11 mg, 10% yield) and 7-(2-chloro-benzyloxy)-2,2-dimethyl-chroman-5-carboxylic acid (5-methyl-pyridin-2-yl)-amide (375) as a white solid (25 mg, 23% yield)的产率得到5-(2-chloro-benzyloxy)-2,2-dimethyl-chroman-7-carboxylic acid (5-methyl-pyridin-2-yl)-amide