[O:1]1[C:7]2[CH:8]=[CH:9][CH:10]=[CH:11][C:6]=2[NH:5][CH2:4][CH2:3][CH2:2]1.[Br:12][CH2:13][C:14](Br)=[O:15]>>[Br:12][CH2:13][C:14]([N:5]1[C:6]2[CH:11]=[CH:10][CH:9]=[CH:8][C:7]=2[O:1][CH2:2][CH2:3][CH2:4]1)=[O:15]2,3,4,5-tetrahydro-1,5-benzoxazepine [E. K. Orlova et al.; Kim. Geterotsikl. Soedin.,9, 1296 (1975): Chem. abstra., 84, 59411] and bromoacetyl bromide were used to produce the above compound in the same way as Reference Example 8.
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