上游原料
benzenesulfonyl chloride4,4'-bipiperidine4,4'-bipiperidine-1-carboxylic acid tert-butyl ester1-[(isothiocyanatocarbonyl)oxy]ethaneN-[1'-(Tert-butoxycarbonyl)-4,4'-bipiperidin-1-yl-thiocarbonyl]carbamic acid ethyl ester1'-(Tert-butoxycarbonyl)-4,4'-bipiperidine-1-carbothioamideethyl 2-chloro-4-methyl-3-oxopentanoate2-[1'-(Tert-butoxycarbonyl)-4,4'-bipiperidin-1-yl]-4-isopropylthiazole-5-carboxylic acid ethyl ester2-[1'-(Tert-butoxycarbonyl)-4,4'-bipiperidin-1-yl]-4-isopropylthiazole-5-carboxylic acidmethyl (2S)-3-amino-2-[(phenylsulfonyl)amino]propanoate(2(S)-(Benzenesulfonamido)-3-[2-[4-[1-tert-butoxycarbonyl)piperidin-4-yl]piperidin-4-yl]-4-isopropylthiazol-5-ylcarboxamido]propionic acid methyl ester; (2(S)-(Benzenesulfonamido)-3-[2-[4-[1-tert-butoxycarbonyl)piperidin-4-yl]piperidin-4-yl]-4-isopropylthiazol-5-ylcarboxamido]propionic acid methyl esterS-(+)-Asparagine; S-(+)-2-Aminosuccinamic acid; L-Asparagine(2S)-4-amino-4-oxo-2-[(phenylsulfonyl)amino]butyric acid