Hydrazine hydrate (1:1) → HCID 12582679, compound
Reaction equation
[Br:1][C:2]1[CH:20]=[CH:19][C:5]([C:6]([N:8]2[CH2:18][CH2:17][C:11]3[N:12]=[N:13][C:14](Cl)=[CH:15][C:10]=3[CH2:9]2)=[O:7])=[CH:4][CH:3]=1.O.[NH2:22][NH2:23]>>[Br:1][C:2]1[CH:20]=[CH:19][C:5]([C:6]([N:8]2[CH2:18][CH2:17][C:11]3[N:12]=[N:13][C:14]([NH:22][NH2:23])=[CH:15][C:10]=3[CH2:9]2)=[O:7])=[CH:4][CH:3]=1Participants
3
Procedure
10.2 g of 6-(p-bromobenzoyl)-3-chloro-5,6,7,8-tetrahydropyrido[4,3-c]pyridazine and 55 cc of hydrazine hydrate are stirred at a bath temperature of 100° for 2 hours. The title compound has a M.P. of 192°-195° (decomp., from absolute ethanol/methanol 3:1).
Sources & evidence
- ORD record
- ord-25cf2ed85a034ca280e795ca02562434
- Source dataset
- uspto-grants-1976_05
- Patent number
- US03954754
Reaction notes
Loading…