2-甲基-2-羟基丙酸   、                                                                                      
N,N',N''-[2,4,6-boroxintriyltris[[(1R)-3-methylbutylidene]imino(2-oxo-2,1-ethanediyl)]]tris(2,5-dichlorobenzamide)                                                                                                                                                                                              以
                                                                                         
乙酸乙酯                                                                                  为溶剂,
                                                                                                                                                                                        以to yield 2,5-dichloro-N-(2-{[(1R)-1-(4,4-dimethyl-5-oxo-1,3,2-dioxaborolan-2-yl)-3-methylbutyl]amino}-2-oxoethyl)benzamide as a white solid (0.225 g, 96%)的产率得到2,5-dichloro-N-(2-([(1R)-1-(4,4-dimethyl-5-oxo-1,3,2-dioxaborolan-2-yl)-3-methylbutyl]amino)-2-oxoethyl)benzamide