Sodium Hydroxide → 2-(4-Fluorophenyl)-2-(4-piperidyl)1,3-dioxolane
反応式
C([N:4]1[CH2:9][CH2:8][CH:7]([C:10]2([C:15]3[CH:20]=[CH:19][C:18]([F:21])=[CH:17][CH:16]=3)[O:14][CH2:13][CH2:12][O:11]2)[CH2:6][CH2:5]1)(=O)C.[OH-].[Na+]>>[F:21][C:18]1[CH:19]=[CH:20][C:15]([C:10]2([CH:7]3[CH2:8][CH2:9][NH:4][CH2:5][CH2:6]3)[O:14][CH2:13][CH2:12][O:11]2)=[CH:16][CH:17]=1参加物
3
実験手順
A mixture of 5 parts of 1-acetyl-4-[2-(4-fluorophenyl)-1,3-dioxolan-2-yl]piperidine and 100 parts of sodium hydroxide solution 10% is stirred and refluxed overnight. The reaction mixture is cooled and the product is extracted with trichloromethane. The extract is dried, filtered and evaporated. The solid residue is stirred in 2,2'-oxybispropane. The product is filtered off and dried in vacuo at 40° C, yielding 3.5 parts (82%) of 4-[2(4-fluorophenyl)-1,3-dioxolan-2-yl]-piperidine.
後処理
- temperaturerefluxed overnight
- temperatureThe reaction mixture is cooled
- extractionthe product is extracted with trichloromethane
- customThe extract is dried
- filtrationfiltered
- customevaporated
- stirringThe solid residue is stirred in 2,2'-oxybispropane
- filtrationThe product is filtered off
- customdried in vacuo at 40° C
出典と根拠
- ORDレコード
- ord-6b6cfb5e52ce43b9b3dc739b52463ad8
- 出典データセット
- uspto-grants-1977_07
- 特許番号
- US04035369
反応ノート
読み込み中…