硼替佐米杂质 、
(S)-3-羟基丁酸 以
乙酸乙酯 为溶剂,
以to yield N-[(15)-1-benzyl-2-({(1R)-3-methyl-1-[(4S)-4-methyl-6-oxo-1,3,2-dioxaborinan-2-yl]butyl}amino)-2-oxoethyl]pyrazine-2-carboxamide as a white solid (0.213 g, 96%)的产率得到N-[(1S)-1-benzyl-2-({(1R)-3-methyl-1-[(4S)-4-methyl-6-oxo-1,3,2-dioxaborinan-2-yl]butyl}amino)-2-oxoethyl]pyrazine-2-carboxamide