Chlorosuccinimide → 4-(2-Chloro-1,2-diphenylethenyl)phenol
反応式
[OH:1][C:2]1[CH:7]=[CH:6][C:5]([C:8]([C:16]2[CH:21]=[CH:20][CH:19]=[CH:18][CH:17]=2)=[CH:9][C:10]2[CH:15]=[CH:14][CH:13]=[CH:12][CH:11]=2)=[CH:4][CH:3]=1.[Cl:22]N1C(=O)CCC1=O>C(Cl)(Cl)Cl>[OH:1][C:2]1[CH:3]=[CH:4][C:5]([C:8]([C:16]2[CH:17]=[CH:18][CH:19]=[CH:20][CH:21]=2)=[C:9]([C:10]2[CH:15]=[CH:14][CH:13]=[CH:12][CH:11]=2)[Cl:22])=[CH:6][CH:7]=1参加物
4
実験手順
Combine (E and Z)-1-[(4-hydroxy)phenyl]-1,2-diphenyl-ethylene [Cacchi et al, Tet. Lets. 25, 3137-3140 (1984)] (0.90 g, 3.31 mmol) and N-chlorosuccinimide (0.486 g, 3.64 mmol) in chloroform (20 mL). Heat to reflux and allow to stir at reflux for 48 hours. Evaporate in vacuo. Chromatograph on silica gel eluting with 20% ethyl acetate/hexane to give the title compound as a solid: mp; 127°-129° C.
後処理
- temperatureHeat
- temperatureto reflux
- temperatureat reflux for 48 hours
- customEvaporate in vacuo
出典と根拠
- ORDレコード
- ord-5b8a016ac8c54a3ebe026d4090661c33
- 出典データセット
- uspto-grants-1997_11
- 特許番号
- US05684004
反応ノート
読み込み中…