5-(2-((2-(2-Ethoxyphenoxy)ethyl)amino)propyl)-2-methoxybenzenesulfonamide → Hydrochloric Acid
반응식
[CH2:1]([O:3][C:4]1[CH:28]=[CH:27][CH:26]=[CH:25][C:5]=1[O:6][CH2:7][CH2:8][NH:9][CH:10]([CH3:24])[CH2:11][C:12]1[CH:13]=[CH:14][C:15]([O:22][CH3:23])=[C:16]([S:18]([NH2:21])(=[O:20])=[O:19])[CH:17]=1)[CH3:2].C(OC1C=CC=CC=1OCCBr)C.[ClH:42].C(O)C>C(O)C>[ClH:42].[CH2:1]([O:3][C:4]1[CH:28]=[CH:27][CH:26]=[CH:25][C:5]=1[O:6][CH2:7][CH2:8][NH:9][CH:10]([CH3:24])[CH2:11][C:12]1[CH:13]=[CH:14][C:15]([O:22][CH3:23])=[C:16]([S:18]([NH2:21])(=[O:19])=[O:20])[CH:17]=1)[CH3:2]참가 물질
반응물 3
생성물 2
시약·촉매·용매 1
실험 절차
In 120 ml of ethanol were dissolved 2.4 g of (R) (-)5[(2-amino-2-methyl)ethyl]-2-methoxybenzenesulfonamide and 1.2 g of 2-(o-ethoxyphenoxy)ethyl bromide, and the mixture was refluxed for 16 hours under heating. The solvent was distilled away, and after alkalifing the residue by the addition of 10% sodium hydroxide, and the oily material precipitated was extracted with ethyl acetate. The extract solution was washed with a saturated aqueous sodium chloride, and dried over anhydrous magnesium sulfate. The solvent was distilled away, and the residue was subjected to silica-gel column chromatography. The product was eluted with CHCl3 -methanol (9:5) to provide 1.5 g of the crude crystals of (R) (-)-5-[2-[[2-(o-ethoxyphenoxy)ethyl]amino]-2-methylethyl]-2-methoxybenzenesulfonamide, which was treated with HCl-ethanol to give a hydrochloric acid salt of (R) (-)-5-[2-[[2-(o-ethoxyphenoxy)ethyl]amino]-2-methylethyl]-2-methoxybenzenesulfonamide.
후처리
- temperaturethe mixture was refluxed for 16 hours
- temperatureunder heating
- distillationThe solvent was distilled away
- additionby the addition of 10% sodium hydroxide
- customthe oily material precipitated
- extractionwas extracted with ethyl acetate
- washThe extract solution was washed with a saturated aqueous sodium chloride
- dry with materialdried over anhydrous magnesium sulfate
- distillationThe solvent was distilled away
- washThe product was eluted with CHCl3 -methanol (9:5)
- customto provide 1.5 g of the crude crystals of (R) (-)-5-[2-[[2-(o-ethoxyphenoxy)ethyl]amino]-2-methylethyl]-2-methoxybenzenesulfonamide, which
출처 및 근거
- ORD 기록
- ord-24626da66d414e5690a165dbcbc61d79
- 출처 데이터셋
- uspto-grants-1995_02
- 특허 번호
- US05391825
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