HRID2286173
反应详情
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实验过程
From 56.62 g (0.19 mol) of 7-amino-5-(o-fluorophenyl)-1,3-dihydro-3,3-dimethyl-2H-1,4-benzodiazepin-2-one there is obtained in analogy to paragraph (e) of Example 1 5-(o-fluorophenyl)-2,3-dihydro-3,3-dimethyl-2-oxo-1H-1,4-benzodiazepine-7-diazonium tetrafluoroborate of melting point 203°.