8-fluoro-5-methyl-6-oxo-5,6-dihydro-4H-imidazo[1,5-a][1,4]benzodiazepine-3-carboxylic acid N'-(2,3-dioxo-2,3-dihydro-1H-isoindol-2-ylacetyl) hydrazide 在
sodium carbonate 作用下,
以
(2S)-N-methyl-1-phenylpropan-2-amine hydrate 为溶剂,
以4.9 g (85%)的产率得到2-[5-(8-fluoro-5-methyl-6-oxo-5,6-dihydro-4H-imidazo[1,5-a][1,4 ]benzodiazepin-3-yl)-1,3,4-oxadiazol-2-ylmethyl]-2.3-dihydro-1H-isoindole-1.3-dione