Hydrazine hydrate (1:1) → 8-bromo-6-(2-pyridyl)-4H-s-triazolo[4,3-a][1,4]benzodiazepine
Reaction equation
O.NN.[Br:4][C:5]1[CH:6]=[CH:7][C:8]2[N:14]3[C:15](CON4C(=O)C5=CC=CC=C5C4=O)=[N:16][N:17]=[C:13]3[CH2:12][N:11]=[C:10]([C:31]3[CH:36]=[CH:35][CH:34]=[CH:33][N:32]=3)[C:9]=2[CH:37]=1>C(O)C>[Br:4][C:5]1[CH:6]=[CH:7][C:8]2[N:14]3[CH:15]=[N:16][N:17]=[C:13]3[CH2:12][N:11]=[C:10]([C:31]3[CH:36]=[CH:35][CH:34]=[CH:33][N:32]=3)[C:9]=2[CH:37]=1Participants
4
Procedure
In the manner given in Example 2, a solution of hydrazine hydrate in ethanol is reated at 65° C. with 8-bromo-1-[(phthalimidooxy)methyl]-6-(2-pyridyl)-4H-s-triazolo[4,3-a][1,4]benzodiazepine to give 1-(aminooxy)methyl]-8-bromo-6-(2pyridyl)-4H-s-triazolo[4,3-a][1,4]benzodiazepine.