Formaldehyde → HCID 22709656、化合物
反応式
Cl.[Cl:2][C:3]1[CH:4]=[C:5]2[C:10](=[CH:11][CH:12]=1)[CH:9]=[C:8]([S:13]([N:16]1[CH2:21][CH2:20][N:19]([C:22]([C:24]3[S:25][C:26]4[CH2:27][NH:28][CH2:29][CH2:30][C:31]=4[N:32]=3)=[O:23])[CH2:18][CH2:17]1)(=[O:15])=[O:14])[CH:7]=[CH:6]2.[CH2:33](N(CC)CC)C.C=O.C(O[BH-](OC(=O)C)OC(=O)C)(=O)C.[Na+]>ClCCl.C(O)(=O)C>[ClH:2].[Cl:2][C:3]1[CH:4]=[C:5]2[C:10](=[CH:11][CH:12]=1)[CH:9]=[C:8]([S:13]([N:16]1[CH2:17][CH2:18][N:19]([C:22]([C:24]3[S:25][C:26]4[CH2:27][NH:28][CH:29]([CH3:33])[CH2:30][C:31]=4[N:32]=3)=[O:23])[CH2:20][CH2:21]1)(=[O:14])=[O:15])[CH:7]=[CH:6]2参加物
実験手順
In dichloromethane (10 ml), 1-[(6-chloronaphthalen-2-yl)sulfonyl]-4-[(4,5,6,7-tetrahydrothiazolo[5,4-c]pyridin-2-yl)carbonyl]piperazine hydrochloride (400 mg) was suspended, followed by the addition of triethylamine (0.22 ml) and acetic acid (0.05 ml). The resulting mixture was stirred at room temperature for 5 minutes. To the reaction mixture, a 30% aqueous formaldehyde solution (0.08 ml) and sodium triacetoxyborohydride (264 mg) were added, followed by stirring at room temperature for 10 minutes. After the reaction mixture was concentrated under reduced pressure, the residue was added with ethyl acetate. The resulting mixture was washed with water and saturated saline and then dried over anhydrous sodium sulfate. The solvent was then distilled off under reduced pressure The residue was dissolved in a saturated ethanol hydrochloride solution (1 ml) and then the resulting solution was concentrated under reduced pressure. The residue was crystallized from hexane and ethyl acetate, whereby the title compound (298 mg, 71%) was obtained.
後処理
- stirringby stirring at room temperature for 10 minutes
- concentrationAfter the reaction mixture was concentrated under reduced pressure
- additionthe residue was added with ethyl acetate
- washThe resulting mixture was washed with water and saturated saline
- dry with materialdried over anhydrous sodium sulfate
- distillationThe solvent was then distilled off under reduced pressure The residue
- dissolutionwas dissolved in a saturated ethanol hydrochloride solution (1 ml)
- concentrationthe resulting solution was concentrated under reduced pressure
- customThe residue was crystallized from hexane and ethyl acetate, whereby the title compound (298 mg, 71%)
- customwas obtained
出典と根拠
- ORDレコード
- ord-1ec0c2e8e6804df7afc86815aaa9deab
- 出典データセット
- uspto-grants-2003_02
- 特許番号
- US06525042B1
反応ノート
読み込み中…