(4S,4aR,6R,8aS)-6-cyclopropyl-8a-(2,4-difluorophenyl)-4-(fluoromethyl)-4,4a,5,6,8,8a-hexahydropyrano[3,4-c][1,3]thiazin-2-amine 在
盐酸 作用下,
以
乙醚 、
二氯甲烷 为溶剂,
以28 mg的产率得到(4S,4aR,6R,8aS)-6-cyclopropyl-8a-(2,4-difluorophenyl)-4-(fluoromethyl)-4,4a,5,6,8,8a-hexahydropyrano[3,4-c][1,3]thiazin-2-amine hydrochloride