(S)-3-amino-5-methyl-2,3-dihydrobenzo[b][1,4]oxazepin-4(5H)-one hydrochloride 、 5-(1-phenylethyl)-4H-1,2,4-triazole-3-carboxylic acid hydrochloride 以to yield N—((S)-5-methyl-4-oxo-2,3,4,5-tetrahydrobenzo[b][1,4]oxazepin-3-yl)-5-(1-phenylethyl)-4H-1,2,4-triazole-3-carboxamide (330 mg, 89% yield)的产率得到N-((S)-5-methyl-4-oxo-2,3,4,5-tetrahydrobenzo[b][1,4]oxazepin-3-yl)-5-(1-phenylethyl)-4H-1,2,4-triazole-3-carboxamide