三乙胺 、
2-(6-[N,N-bis(tert-butoxycarbonyl)amino]-5-methylpyridin-3-ylmethyl)acrylic acid ethyl ester 、
乙酸乙酯 、
硫代乙酸 在
水 、
碳酸氢钠 、 Brine 、 crude product 、
toluene-ethyl acetate 、
2-acetylsulfanylmethyl-3-(6-[N,N-bis(tert-butoxycarbonyl)amino]-5-methylpyridin-3-yl)propionic acid ethyl ester 作用下,
反应 16.0h,
以to give pure 2-acetylsulfanylmethyl-3-(6-[N,N-bis(tert-butoxycarbonyl)amino]-5-methyl-pyridin-3-yl)-propionic acid ethyl ester (489 mg, 61%) and slightly impure 2-acetylsulfanylmethyl-3-(6-[N,N-bis(tert-butoxycarbonyl)amino]-5-methyl-pyridin-3-yl)-propionic acid ethyl ester (0.34 g, 43%)的产率得到2-acetylsulfanylmethyl-3-(6-[N,N-bis(tert-butoxycarbonyl)amino]-5-methylpyridin-3-yl)propionic acid ethyl ester