(3S)-3-Ethyl-6-fluoro-3,4-dihydroquinoxalin-2(1H)-one → (3S)-3-ethyl-6-fluoro-4-(4-methoxybenzoyl)-3,4-dihydroquinoxalin-2(1H)-one
反応式
[CH2:1]([C@@H:3]1[NH:12][C:11]2[C:6](=[CH:7][CH:8]=[C:9]([F:13])[CH:10]=2)[NH:5][C:4]1=[O:14])[CH3:2].C([C@H]1N([C:27](=[O:36])[C:28]2[CH:33]=[CH:32][C:31]([O:34][CH3:35])=[CH:30][CH:29]=2)C2C(=CC(F)=CC=2)NC1=O)C>CCOCC>[CH2:1]([C@@H:3]1[N:12]([C:27](=[O:36])[C:28]2[CH:33]=[CH:32][C:31]([O:34][CH3:35])=[CH:30][CH:29]=2)[C:11]2[C:6](=[CH:7][CH:8]=[C:9]([F:13])[CH:10]=2)[NH:5][C:4]1=[O:14])[CH3:2]参加物
4
実験手順
(3S)-3-Ethyl-6-fluoro-3,4-dihydroquinoxalin-2(1H)-one in ether was treated according to the procedure for the preparation of (3R)-3-ethyl-7-fluoro-4-(4-methoxybenzoyl)-3,4-dihydroquinoxalin-2(1H)-one (see Example 1) to yield (3S)-3-ethyl-6-fluoro-4-(4-methoxybenzoyl)-3,4-dihydroquinoxalin-2(1H)-one (82%). MS (ESI) m/z 329 ([M+H]+); MS (ESI) m/z 327 ([M−H]−).