m-Chloroperbenzoic acid → 2-[2-(6,7-Dimethoxy-1-isoquinolinyl)phenylsulphinyl]-1H-benzimidazole
Reaction equation
[CH3:1][O:2][C:3]1[CH:4]=[C:5]2[C:10](=[CH:11][C:12]=1[O:13][CH3:14])[C:9]([C:15]1[CH:20]=[CH:19][CH:18]=[CH:17][C:16]=1[S:21][C:22]1[NH:26][C:25]3[CH:27]=[CH:28][CH:29]=[CH:30][C:24]=3[N:23]=1)=[N:8][CH:7]=[CH:6]2.ClC1C=CC=C(C(OO)=[O:39])C=1>C(Cl)Cl.C(Cl)(Cl)Cl.C([O-])(O)=O.[Na+]>[CH3:1][O:2][C:3]1[CH:4]=[C:5]2[C:10](=[CH:11][C:12]=1[O:13][CH3:14])[C:9]([C:15]1[CH:20]=[CH:19][CH:18]=[CH:17][C:16]=1[S:21]([C:22]1[NH:23][C:24]3[CH:30]=[CH:29][CH:28]=[CH:27][C:25]=3[N:26]=1)=[O:39])=[N:8][CH:7]=[CH:6]2Participants
5
Reactant 2
Product 1
Reagents, catalysts & solvents 2
Procedure
The product of step (f) above was dissolved in 1:1 CH2Cl2 -CHCl3 (10 ml), treated with 85%m-Chloroperbenzoic acid (24 mg) at -5°, and worked up in aqueous NaHCO3 to give the title compound. NMR (CDCl3)d, 8.5 (d,1H), 8.35 (dd,1H), 7.26 (1H,s), 7.21 (1H,s), 7.7-7.2 (complex,8H), 4.30 (s,3H), 3.85 (s,3H)ppm, mp 250° (d).
Sources & evidence
- ORD record
- ord-6a337853a57b44b2948d9c56aa4860ed
- Source dataset
- uspto-grants-1990_02
- Patent number
- US04900751
Reaction notes
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