methyl 2-[2-methyl-4-(3-trifluoromethylphenyl)-5,6,7,8-tetrahydro[1]benzothieno[2,3-b]pyridin-3-yl]pentanoate 在
三溴化硼 作用下,
以
二氯甲烷 为溶剂,
以8%的产率得到2-[2-methyl-4-(2-hydroxy-4-methylphenyl)-5,6,7,8-tetrahydro[1]benzothieno[2,3-b]pyridin-3-yl]pentanoate ammonium salt