Anisole → Ethyl (5-chloro-2-fluoro-4-(3-indazolylcarbonylamino)phenyl)acetate
反応式
C1(OC)C=CC=CC=1.[Cl:9][C:10]1[C:11]([NH:23][C:24]([C:26]2[C:34]3[C:29](=[CH:30][CH:31]=[CH:32][CH:33]=3)[N:28](CC3C=CC(OC)=CC=3)[N:27]=2)=[O:25])=[CH:12][C:13]([F:22])=[C:14]([CH2:16][C:17]([O:19][CH2:20][CH3:21])=[O:18])[CH:15]=1>FC(F)(F)C(O)=O>[Cl:9][C:10]1[C:11]([NH:23][C:24]([C:26]2[C:34]3[C:29](=[CH:30][CH:31]=[CH:32][CH:33]=3)[NH:28][N:27]=2)=[O:25])=[CH:12][C:13]([F:22])=[C:14]([CH2:16][C:17]([O:19][CH2:20][CH3:21])=[O:18])[CH:15]=1参加物
4
実験手順
A mixture of anisole (288 μl, 2.66 mmol), trifluoroacetic acid (10 ml), and ethyl (5-chloro-2-fluoro-4-(1-(4-methoxybenzyl)-3-indazolylcarbonylamino)phenyl)acetate (880 mg, 1.77 mmol) was heated under reflux for 15 hours. After cooling, the reaction mixture was distilled under reduced pressure to remove the solvent. Water (50 ml) was added to the residue. The crystals thus precipitated were collected by filtration under reduced pressure and washed with water. The crude crystals thus obtained were recrystallized from chloroform-methanol, whereby ethyl (5-chloro-2-fluoro-4-(3-indazolylcarbonylamino)phenyl)acetate (531 mg, 80%) was obtained as a colorless crystalline powder.
後処理
- temperaturewas heated
- temperatureunder reflux for 15 hours
- temperatureAfter cooling
- distillationthe reaction mixture was distilled under reduced pressure
- customto remove the solvent
- additionWater (50 ml) was added to the residue
- customThe crystals thus precipitated
- filtrationwere collected by filtration under reduced pressure
- washwashed with water
- customThe crude crystals thus obtained
- customwere recrystallized from chloroform-methanol
出典と根拠
- ORDレコード
- ord-5f3270e639cc4b26889c8b0a1a0a63d7
- 出典データセット
- uspto-grants-2007_01
- 特許番号
- US07157487B2
反応ノート
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