4-Bromobutyronitrile → HCID 20153795, compound
Reaction equation
[NH2:1][C:2]1[N:3]=[N:4][C:5]([C:14]2[CH:19]=[CH:18][CH:17]=[CH:16][CH:15]=2)=[CH:6][C:7]=1[C:8]1[CH:13]=[CH:12][CH:11]=[CH:10][CH:9]=1.[Br:20][CH2:21][CH2:22][CH2:23][C:24]#[N:25]>CN(C)C=O>[Br-:20].[NH2:1][C:2]1[N:3]([CH2:21][CH2:22][CH2:23][C:24]#[N:25])[NH2+:4][C:5]([C:14]2[CH:15]=[CH:16][CH:17]=[CH:18][CH:19]=2)=[CH:6][C:7]=1[C:8]1[CH:13]=[CH:12][CH:11]=[CH:10][CH:9]=1Participants
4
Reactant 2
Product 1
Reagents, catalysts & solvents 1
Conditions
- Temperature
- 60 °C
Procedure
2.47 g of 3-amino-4,6-diphenylpyridazine are dissolved in 5 ml of dimethylformamide, and 1.63 g of 4-bromobutyronitrile are added. The mixture is heated at 60° C. for 2 hours and left to cool. The crystals formed are filtered off and recrystallised from isopropanol. Melting point=202°-204° C.
Workup
- waitleft
- temperatureto cool
- customThe crystals formed
- filtrationare filtered off
- customrecrystallised from isopropanol
Sources & evidence
- ORD record
- ord-db14b143d50a4b56b89754337be87ff3
- Source dataset
- uspto-grants-1988_01
- Patent number
- US04721711
Reaction notes
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