N,N',N''-[2,4,6-boroxintriyltris[[(1R)-3-methylbutylidene]imino(2-oxo-2,1-ethanediyl)]]tris(2,5-dichlorobenzamide) 、
二苯基羟基乙酸 以
乙酸乙酯 为溶剂,
以to yield 2,5-dichloro-N-(2-{[(1R)-3-methyl-1-(5-oxo-4,4-diphenyl-1,3,2-dioxaborolan-2-yl)butyl]amino}-2-oxoethyl)benzamide as a white solid (0.291 g, 95%)的产率得到2,5-dichloro-N-(2-{[(1R)-3-methyl-1-(5-oxo-4,4-diphenyl-1,3,2-dioxaborolan-2-yl)butyl]amino}-2-oxoethyl)benzamide