1-Methylpiperazine → Rac-6-chloro-3-(3-chloro-benzyl)-3-[3-(4-methyl-piperazine-1-carbonyl)-phenylamino]-1,3-dihydro-indol-2-one
Reaction equation
[Cl:1][C:2]1[CH:10]=[C:9]2[C:5]([C:6]([NH:20][C:21]3[CH:22]=[C:23]([CH:27]=[CH:28][CH:29]=3)[C:24](O)=[O:25])([CH2:12][C:13]3[CH:18]=[CH:17][CH:16]=[C:15]([Cl:19])[CH:14]=3)[C:7](=[O:11])[NH:8]2)=[CH:4][CH:3]=1.[CH3:30][N:31]1[CH2:36][CH2:35][NH:34][CH2:33][CH2:32]1.CCN=C=NCCCN(C)C.Cl>>[Cl:1][C:2]1[CH:10]=[C:9]2[C:5]([C:6]([CH2:12][C:13]3[CH:18]=[CH:17][CH:16]=[C:15]([Cl:19])[CH:14]=3)([NH:20][C:21]3[CH:29]=[CH:28][CH:27]=[C:23]([C:24]([N:34]4[CH2:35][CH2:36][N:31]([CH3:30])[CH2:32][CH2:33]4)=[O:25])[CH:22]=3)[C:7](=[O:11])[NH:8]2)=[CH:4][CH:3]=1Participants
4
Reactant 3
Product 1
Procedure
The mixture of rac-3-[6-chloro-3-(3-chloro-benzyl)-2-oxo-2,3-dihydro-1H-indol-3-ylamino]-benzoic acid (60 mg, 0.14 mmol), 1-methyl-piperazine (56 mg, 0.56 mmol) and EDCl (54 mg, 0.28 mmol) in dichlorometahne (2 mL) was stirred at room temperature for overnight. The reaction mixture was purified by preparative HPLC to give rac-6-chloro-3-(3-chloro-benzyl)-3-[3-(4-methyl-piperazine-1-carbonyl)-phenylamino]-1,3-dihydro-indol-2-one as a powder. 1H NMR (CDCl3, 400 MHz): δ 7.21-6.74 (m, 9H), 6.49 (d, 1H), 6.17 (s, 1H), 4.70 (s, 1H), 3.80-3.45 (br, 8H), 3.28-3.15 (q, 2H), 2.66 (s, 3H). MS: [M+H]+=509
Workup
- customThe reaction mixture was purified by preparative HPLC
Sources & evidence
- ORD record
- ord-593edf92791c41799641945720bc1555
- Source dataset
- uspto-grants-2011_11
- Patent number
- US08058269B2
Reaction notes
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