Thionyl Chloride → 5,6-Dihydro-4H-cyclopenta[b]thiophene-2-carbonyl chloride
反応式
[S:1]1[C:5]([C:6](O)=[O:7])=[CH:4][C:3]2[CH2:9][CH2:10][CH2:11][C:2]1=2.S(Cl)([Cl:14])=O>>[S:1]1[C:5]([C:6]([Cl:14])=[O:7])=[CH:4][C:3]2[CH2:9][CH2:10][CH2:11][C:2]1=2参加物
3
実験手順
1.0 g of 5,6-dihydro-4H-cyclopenta[b]thiophene-2-carboxylic acid was reacted with 4 ml of thionyl chloride for 3.5 hours under reflux. Then, excess thionyl chloride was distilled off under reduced pressure to obtain 5,6-dihydro-4H-cyclopenta[b]thiophene-2-carbonyl chloride.
後処理
- temperatureunder reflux
- distillationThen, excess thionyl chloride was distilled off under reduced pressure
出典と根拠
- ORDレコード
- ord-c9cecca69b4e49e7a0992b094561e098
- 出典データセット
- uspto-grants-1994_04
- 特許番号
- US05304657
反応ノート
読み込み中…