HCID 57942291、化合物 → 4-chloro-N-[5-chloro-2-(2,3-dihydro-benzo[1,4]oxazine-4-carbonyl)-pyridin-3-yl]-3-trifluoromethyl-benzenesulfonamide
反応式
[Cl:1][C:2]1[CH:7]=[CH:6][C:5]([S:8]([N:11]([C:15]2[C:16]([C:22]([N:24]3[C:29]4[CH:30]=[CH:31][CH:32]=[CH:33][C:28]=4[O:27][CH2:26][CH2:25]3)=[O:23])=[N:17][CH:18]=[C:19]([Cl:21])[CH:20]=2)COC)(=[O:10])=[O:9])=[CH:4][C:3]=1[C:34]([F:37])([F:36])[F:35]>Cl.O>[Cl:1][C:2]1[CH:7]=[CH:6][C:5]([S:8]([NH:11][C:15]2[C:16]([C:22]([N:24]3[C:29]4[CH:30]=[CH:31][CH:32]=[CH:33][C:28]=4[O:27][CH2:26][CH2:25]3)=[O:23])=[N:17][CH:18]=[C:19]([Cl:21])[CH:20]=2)(=[O:9])=[O:10])=[CH:4][C:3]=1[C:34]([F:36])([F:37])[F:35]参加物
4
実験手順
A solution of 4-chloro-N-[5-chloro-2-(2,3-dihydro-benzo[1,4]oxazine-4-carbonyl)-pyridin-3-yl]-N-methoxymethyl-3-trifluoromethyl-benzenesulfonamide (50 mg) in 3 mL HCl (4 M in dioxane) and water (1 mL) was refluxed for 2 h. Upon cooling to room temperature, the mixture was concentrated and the residue was purified via preparative TLC (50% EtOAc in hexane) to afford 4-chloro-N-[5-chloro-2-(2,3-dihydro-benzo[1,4]oxazine-4-carbonyl)-pyridin-3-yl]-3-trifluoromethyl-benzenesulfonamide (27.0 mg) as an off white solid. MS m/z: 532.2 (M+H).
後処理
- concentrationthe mixture was concentrated
- customthe residue was purified via preparative TLC (50% EtOAc in hexane)
出典と根拠
- ORDレコード
- ord-939c2ebd684e41eeb2d034b5d311ffc5
- 出典データセット
- uspto-grants-2012_01
- 特許番号
- US08093247B2
反応ノート
読み込み中…