Dichloromethane → HCID 12838040、化合物
反応式
[Cl:1][S:2]([OH:5])(=O)=[O:3].[C:6]([N:9]1[CH2:18][CH2:17][C:16]2[C:11](=[C:12]([Cl:19])[CH:13]=[CH:14][CH:15]=2)[CH2:10]1)(=[O:8])[CH3:7].C(Cl)Cl>C(Cl)(Cl)Cl>[C:6]([N:9]1[CH2:18][CH2:17][C:16]2[C:11](=[C:12]([Cl:19])[CH:13]=[CH:14][C:15]=2[S:2]([Cl:1])(=[O:5])=[O:3])[CH2:10]1)(=[O:8])[CH3:7]参加物
実験手順
51.75 ml. (0.78 mole) of chlorosulfonic acid was added dropwise with stirring to a solution of 20.7 g. (0.099 mole) 2-acetyl-8-chloro-1,2,3,4-tetrahydroisoquinoline in 25 ml. of methylene chloride at -70° C. To effectuate a solution of the reactants 10 ml. of dry chloroform was added and the reaction mixture stirred for one hour at -70° C. The reaction mixture was then refluxed at 40°-45° C. for 2 hours and then stirred at ambient temperature for about 16 hours. The reaction mixture was then cautiously poured onto one liter of ice. The crude reaction product was then extracted into methylene chloride (3×100 ml.), washed with saturated sodium chloride solution, dried over anhydrous sodium sulfate and filtered. The filtrate was concentrated to dryness at reduced pressure to afford 2-acetyl-8-chloro-5-chlorosulfonyl-1,2,3,4-tetrahydroisoquinoline as whitish yellow solid with a melting point of 105°-115° C.
後処理
- customat -70° C
- stirringthe reaction mixture stirred for one hour at -70° C
- temperatureThe reaction mixture was then refluxed at 40°-45° C. for 2 hours
- stirringstirred at ambient temperature for about 16 hours
- customThe crude reaction product
- extractionwas then extracted into methylene chloride (3×100 ml.)
- washwashed with saturated sodium chloride solution
- dry with materialdried over anhydrous sodium sulfate
- filtrationfiltered
- concentrationThe filtrate was concentrated to dryness at reduced pressure
出典と根拠
- ORDレコード
- ord-4770d2cc023d4b8a87042a08acb9c7db
- 出典データセット
- uspto-grants-1982_02
- 特許番号
- US04315935
反応ノート
読み込み中…