5-benzyl-4H-1,2,4-triazole-3-carboxylic acid 、
N-甲基吗啉 、
O-(7-azabenzotriazol-1-yl)-1,1,3,3-tetramethyluronium hexafluorophosphate 、
(S)-3-amino-7-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-4,5-dihydro-1H-benzo[b]azepin-2(3H)-one 在
crude mixture 、
ethyl acetate n-hexane 作用下,
以
二氯甲烷 为溶剂,
反应 16.0h,
以to give the desired product as a yellow solid (65 mg, 65% yield)的产率得到(S)-5-benzyl-N-(2-oxo-7-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-2,3,4,5-tetrahydro-1H-benzo[b]azepin-3-yl)-4H-1,2,4-triazole-3-carboxamide