tert-butyl (2S)-5-(3-azidopropylamino)-2-[[4-[(2,4-diaminopteridin-6-yl)methyl-methylamino]benzoyl]amino]-5-oxopentanoate 在
氢氟酸 作用下,
反应 1.5h,
以67%的产率得到(3R)-N-[(2S)-1-amino-3-hydroxy-1-oxopropan-2-yl]-1,1-dioxo-8-(trifluoromethyl)-3,4-dihydro-2H-1lambda6,5,2-benzodithiazepine-3-carboxamide