2-Chloro-6-methylpyridine-4-carbonyl chloride → 1-(2-Chloro-6-methyl-pyridine-4-carbonyl)-3-(3-fluoro-5-methoxy-phenyl)thiourea
反応式
[Cl:1][C:2]1[CH:7]=[C:6]([C:8](Cl)=[O:9])[CH:5]=[C:4]([CH3:11])[N:3]=1.[N-:12]=[C:13]=[S:14].[NH4+].[F:16][C:17]1[CH:18]=[C:19]([NH2:25])[CH:20]=[C:21]([O:23][CH3:24])[CH:22]=1>CC(C)=O>[Cl:1][C:2]1[CH:7]=[C:6]([C:8]([NH:12][C:13]([NH:25][C:19]2[CH:20]=[C:21]([O:23][CH3:24])[CH:22]=[C:17]([F:16])[CH:18]=2)=[S:14])=[O:9])[CH:5]=[C:4]([CH3:11])[N:3]=1参加物
実験手順
2-Chloro-6-methyl-4-pyridinecarbonyl chloride (44.087 g, 0.232 mol) in acetone (1 l) was treated with ammonium isothiocyanate (21.192 g, 0.278 mol) and the mixture was stirred for 1 hour at room temperature. Subsequently, a solution of 3-fluoro-5-methoxybenzenamine (36.02 g, 0.255 mol) in acetone (200 ml) was added dropwise and the reaction mixture was stirred for 4 hours at room temperature. The solvent was evaporated in vacuo and the residue was dissolved in CH2Cl2 (1 l). This organic solution was washed (H2O), dried (MgSO4), filtered and the solvent was evaporated in vacuo to yield a brown solid. The brown solid was triturated in acetonitrile (0.8 l), stirred overnight and the solid was filtered off and dried (vacuum oven, 4 hours at 65° C.). Yield: 59.69 g of intermediate D13 (73%).
後処理
- stirringthe reaction mixture was stirred for 4 hours at room temperature
- customThe solvent was evaporated in vacuo
- dissolutionthe residue was dissolved in CH2Cl2 (1 l)
- washThis organic solution was washed (H2O)
- dry with materialdried (MgSO4)
- filtrationfiltered
- customthe solvent was evaporated in vacuo
- customto yield a brown solid
- customThe brown solid was triturated in acetonitrile (0.8 l)
- stirringstirred overnight
- filtrationthe solid was filtered off
- customdried (vacuum oven, 4 hours at 65° C.)
出典と根拠
- ORDレコード
- ord-c5486371947940ef86f860c85eecbd7a
- 出典データセット
- uspto-grants-2013_05
- 特許番号
- US08440701B2
反応ノート
読み込み中…