Hydrazine hydrate (1:1) → HCID 19600385, 화합물
반응식
[CH2:1]([N:8]1[C:12]2[CH:13]=[C:14]([Cl:17])[CH:15]=[CH:16][C:11]=2[N:10]=[C:9]1[C:18]([NH:20][C:21]1[CH:22]=[C:23]2[C:27](=[CH:28][CH:29]=1)[N:26]([CH2:30][CH2:31][CH2:32][N:33]1C(=O)C3=CC=CC=C3C1=O)[CH:25]=[CH:24]2)=[O:19])[C:2]1[CH:7]=[CH:6][CH:5]=[CH:4][CH:3]=1.O.NN>C(O)C>[CH2:1]([N:8]1[C:12]2[CH:13]=[C:14]([Cl:17])[CH:15]=[CH:16][C:11]=2[N:10]=[C:9]1[C:18]([NH:20][C:21]1[CH:22]=[C:23]2[C:27](=[CH:28][CH:29]=1)[N:26]([CH2:30][CH2:31][CH2:32][NH2:33])[CH:25]=[CH:24]2)=[O:19])[C:2]1[CH:7]=[CH:6][CH:5]=[CH:4][CH:3]=1참가 물질
실험 절차
To 5 g of 1-benzyl-6-chloro-2-[1-(3-phthalimidopropyl)indol-5-ylaminocarbonyl]benzimidazole was added 100 ml of ethanol and stirred, then 0.5 ml of hydrazine hydrate was added thereto, the mixture was refluxed overnight. After cooled the reaction mixture to room temperature, then white crystals were removed by filtration. Water was added to the filtrate, and made alkaline with 10% aqueous solution of potassium hydroxide. This mixture was extracted with dichloromethane, the extract was washed with water, an aqueous solution saturated with sodium chloride then was dried with anhydrous magnesium sulfate. The solvent was removed by distillation under reduced pressure. The residue thus obtained was crystallized from ethyl acetate-n-hexane, there was obtained 3.2 g of 1-benzyl-6-chloro-2-[1-(3-aminopropyl)indol-5-ylaminocarbonyl]-benzimidazole as in the form of yellow granular crystals. Melting point: 106-108° C.
후처리
- temperaturethe mixture was refluxed overnight
- customwhite crystals were removed by filtration
- additionWater was added to the filtrate
- extractionThis mixture was extracted with dichloromethane
- washthe extract was washed with water
- dry with materialan aqueous solution saturated with sodium chloride then was dried with anhydrous magnesium sulfate
- customThe solvent was removed by distillation under reduced pressure
- customThe residue thus obtained
- customwas crystallized from ethyl acetate-n-hexane
출처 및 근거
- ORD 기록
- ord-7916107cf1224db786c3f080c25935af
- 출처 데이터셋
- uspto-grants-1999_12
- 특허 번호
- US05998437
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