Ethyl 4-bromo-5-(4-fluorophenyl)furan-2-carboxylate → Ethyl 4-(3-chlorophenyl)-5-(4-fluorophenyl)furan-2-carboxylate
反応式
[Cl:1][C:2]1[CH:3]=[C:4]([C:9]2[CH:10]=[C:11]([C:22]([O:24][CH2:25][CH3:26])=[O:23])[O:12][C:13]=2[C:14]2[CH:19]=[CH:18][CH:17]=[C:16](C#N)[CH:15]=2)[CH:5]=[C:6](F)[CH:7]=1.BrC1C=C(C(OCC)=O)OC=1C1C=CC([F:39])=CC=1>>[Cl:1][C:2]1[CH:3]=[C:4]([C:9]2[CH:10]=[C:11]([C:22]([O:24][CH2:25][CH3:26])=[O:23])[O:12][C:13]=2[C:14]2[CH:19]=[CH:18][C:17]([F:39])=[CH:16][CH:15]=2)[CH:5]=[CH:6][CH:7]=1参加物
3
実験手順
The synthesis of the title compound takes place in analogy to the synthesis of the compound from Example 11A starting with the compound from Example 7A. Extraction is carried out with dichloromethane and purification with the mobile phase cyclohexane/ethyl acetate (30:1). 4.12 g (41% of theory) of the title compound with a purity of 50% are obtained.
後処理
- extractionExtraction
- customis carried out with dichloromethane and purification with the mobile phase cyclohexane/ethyl acetate (30:1)
出典と根拠
- ORDレコード
- ord-a1905e68fcb840e5a4eebf8afbb13c80
- 出典データセット
- uspto-grants-2012_12
- 特許番号
- US08324268B2
反応ノート
読み込み中…