Ethyl Acetate → (2-Isopropoxy-5-methanesulfonyl-phenyl)-(4-quinoxalin-2-yl-piperazin-1-yl)-methanone
Reaction equation
Cl.[N:2]1([C:8]2[CH:17]=[N:16][C:15]3[C:10](=[CH:11][CH:12]=[CH:13][CH:14]=3)[N:9]=2)[CH2:7][CH2:6][NH:5][CH2:4][CH2:3]1.[CH:18]([O:21][C:22]1[CH:30]=[CH:29][C:28]([S:31]([CH3:34])(=[O:33])=[O:32])=[CH:27][C:23]=1[C:24](O)=[O:25])([CH3:20])[CH3:19].C(OCC)(=O)C>C(#N)C>[CH:18]([O:21][C:22]1[CH:30]=[CH:29][C:28]([S:31]([CH3:34])(=[O:33])=[O:32])=[CH:27][C:23]=1[C:24]([N:5]1[CH2:4][CH2:3][N:2]([C:8]2[CH:17]=[N:16][C:15]3[C:10](=[CH:11][CH:12]=[CH:13][CH:14]=3)[N:9]=2)[CH2:7][CH2:6]1)=[O:25])([CH3:20])[CH3:19]Participants
5
Reactant 3
Product 1
Reagents, catalysts & solvents 1
Procedure
Prepared in analogy to example 1.1 (b) from 2-piperazin-1-yl-quinoxaline hydrochloride and 2-isopropoxy-5-methanesulfonyl-benzoic acid (example 2.2) in acetonitrile. Chromatography (SiO2; ethyl acetate) yields the title compound as a yellowish foam.
Sources & evidence
- ORD record
- ord-3a9cf3cb3a8846f1bcb39119a79c3ece
- Source dataset
- uspto-grants-2007_07
- Patent number
- US07241761B2
Reaction notes
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