1-(3-Aminopropyl)-4-methylpiperazine → HCID 68647897, compound
Reaction equation
[Br:1][C:2]1[N:6]2[N:7]=[C:8](Cl)[CH:9]=[CH:10][C:5]2=[N:4][CH:3]=1.[CH3:12][N:13]1[CH2:18][CH2:17][N:16]([CH2:19][CH2:20][CH2:21][NH2:22])[CH2:15][CH2:14]1.C(Cl)Cl.CO.[NH4+].[OH-]>>[Br:1][C:2]1[N:6]2[N:7]=[C:8]([NH:22][CH2:21][CH2:20][CH2:19][N:16]3[CH2:15][CH2:14][N:13]([CH3:12])[CH2:18][CH2:17]3)[CH:9]=[CH:10][C:5]2=[N:4][CH:3]=1Participants
4
Procedure
Prepared from 3-bromo-6-chloroimidazo[1,2-b]pyridazine and 3-(4-methylpiperazin-1-yl)propan-1-amine according to general procedure 1 providing the intermediate (200 mg, 85%) as a clear oil: Rf=0.25 (CH2Cl2/MeOH/NH4OH, 160:18:2); 1H NMR (500 MHz, CD3OD) δ 7.54 (d, J=9.6 Hz, 1H), 7.39 (s, 1H), 6.67 (d, J=9.7 Hz, 1H), 3.42 (t, J=7.0 Hz, 2H), 2.53-2.50 (m, 10H), 2.29 (s, 3H), 1.91 (quin, J=6.6 Hz, 2H)
Sources & evidence
- ORD record
- ord-f2e141ddfc924de0a05521ee96881cc5
- Source dataset
- uspto-grants-2010_10
- Patent number
- US07820670B2
Reaction notes
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