(R)-3-tert-Butoxycarbonylamino-4-(2-tert-butoxycarbonylamino-ethanesulfonyl)-butyric acid 在
盐酸 、
N,N-二异丙基乙胺 、 N-[(dimethylamino)-3-oxo-1H-1,2,3-triazolo[4,5-b]pyridin-1-yl-methylene]-N-methylmethanaminium hexafluorophosphate 作用下,
以
1,4-二氧六环 、
N,N-二甲基甲酰胺 为溶剂,
生成 (R)-3-Amino-4-(2-amino-ethanesulfonyl)-N-methyl-N-(4-oxo-2-ureido-1,4,5,6-tetrahydro-pyrimidin-5-yl)-butyramide; compound with GENERIC INORGANIC NEUTRAL COMPONENT