반응식
[CH2:1]1[CH:6]([NH:7][CH2:8][C:9]2[C:14]([NH2:15])=[C:13]([Br:16])[CH:12]=[C:11]([Br:17])[CH:10]=2)[CH2:5][CH2:4][CH:3]([OH:18])[CH2:2]1.[N:19]1([C:30](=[O:31])[C:29]2[N:28]([CH2:32][C:33]([OH:35])=[O:34])[CH:27]=[N:26][C:25]=2[N:23]([CH3:24])[C:21]1=[O:22])[CH3:20]>C(Cl)(Cl)(Cl)Cl>[CH3:24][N:23]1[C:21](=[O:22])[N:19]([CH3:20])[C:30](=[O:31])[C:29]2[N:28]([CH2:32][C:33]([OH:35])=[O:34])[CH:27]=[N:26][C:25]1=2.[CH2:5]1[CH:6]([NH:7][CH2:8][C:9]2[C:14]([NH2:15])=[C:13]([Br:16])[CH:12]=[C:11]([Br:17])[CH:10]=2)[CH2:1][CH2:2][CH:3]([OH:18])[CH2:4]1참가 물질
반응 조건
- 온도
- 47.5 °C
실험 절차
The mixture of ambroxol base (20.0 g, 0.052 moles) and carbon tetrachloride (100 ml) was heated at 45-50° C. for 1-2 minutes to prepare a clear solution. Carbon tetrachloride (100 ml) and theophylline-7-acetic acid (12.6 g, 0.052 moles) were charged in a round bottom flask and heated at 60 to 65° C. To this flask, the prepared solution of ambroxol base in carbon tetrachloride was added under stirring while maintaining the temperature between 60-65° C. during 2-3 minutes. The resulting reaction mixture was stirred at 70-75° C. for 30-35 minutes. The reaction mixture was allowed to cool to room temperature. The separated solid product was filtered and washed with carbon tetrachloride and dried. The yield of Acebrophylline obtained was 95.2%.
후처리
- customto prepare a clear solution
- temperatureheated at 60 to 65° C
- temperaturewhile maintaining the temperature between 60-65° C. during 2-3 minutes
- customThe resulting reaction mixture
- stirringwas stirred at 70-75° C. for 30-35 minutes
- temperatureto cool to room temperature
- filtrationThe separated solid product was filtered
- washwashed with carbon tetrachloride
- customdried
출처 및 근거
- ORD 기록
- ord-c0c43a6ca92a4127877a239592006a7d
- 출처 데이터셋
- uspto-grants-2015_09
- 특허 번호
- US09133196B2
연결된 노트
불러오는 중…