1: 2-(2-tert-butoxycarbonylamino-pyridin-4-yl)-1-(3-methylphenyl)ethanone With bromine 2: 4-(methylsulfanyl)benzenecarbothioamide 3: With hydrogenchloride
参考文献
Takeda Chemical Industries, Ltd.
Patent: EP1180518 A1, 2002 ;
Location in patent: Referential example 18 ;