Piperazine → HCID 22725085, compound
Reaction equation
[NH:1]1[CH2:6][CH2:5][NH:4][CH2:3][CH2:2]1.[Cl:7][C:8]1[CH:13]=[CH:12][CH:11]=[CH:10][C:9]=1[CH:14]([C:31]1[CH:36]=[CH:35][CH:34]=[CH:33][C:32]=1[Cl:37])[N:15]1[CH:20]2[CH2:21][CH2:22][CH:16]1[CH2:17][C:18]([C:24]1[N:29]=[C:28](Cl)[CH:27]=[CH:26][N:25]=1)([OH:23])[CH2:19]2>CCO>[Cl:37][C:32]1[CH:33]=[CH:34][CH:35]=[CH:36][C:31]=1[CH:14]([C:9]1[CH:10]=[CH:11][CH:12]=[CH:13][C:8]=1[Cl:7])[N:15]1[CH:20]2[CH2:21][CH2:22][CH:16]1[CH2:17][C:18]([C:24]1[N:25]=[C:26]([N:1]3[CH2:6][CH2:5][NH:4][CH2:3][CH2:2]3)[CH:27]=[CH:28][N:29]=1)([OH:23])[CH2:19]2Participants
4
Reactant 2
Product 1
Reagents, catalysts & solvents 1
Conditions
- Temperature
- 80 °C
Procedure
Add piperazine (20 mg, 0.23 mmol) to a solution of the product of Step 2 (25 mg, 0.05 mmol) in EtOH (4 ml) at RT. Stir the reaction mixture at 80° C. overnight. Extract and purify to produce the title compound (20 mg). 1H NMR (CDCl3) δ8.24 (d, 1H), 7.93 (d, 2H), 7.26 (d, 2H), 7.22 (t, 2H), 7.10 (t, 2H), 6.33 (d, 1H), 5.64 (s, 1H), 3.67 (s, br, 4H), 3.15 (s, br, 2H), 2.95 (m, 4H), 2.59 (dd, 2H), 2.34 (m, 2H), 2.17 (m, 2H), 1.57 (d, br, 2H).
Workup
- extractionExtract
- custompurify
Sources & evidence
- ORD record
- ord-658d4231f3bb4b2dafd2d598dcd0692f
- Source dataset
- uspto-grants-2004_04
- Patent number
- US06727254B2
Reaction notes
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