Piperidine → 5-[[5-amino-7-(cyclopropylamino)pyrazolo[1,5-a]pyrimidin-3-yl]methylidene]imidazolidine-2,4-dione
反応式
[NH2:1][C:2]1[CH:7]=[C:6]([NH:8][CH:9]2[CH2:11][CH2:10]2)[N:5]2[N:12]=[CH:13][C:14]([CH:15]=O)=[C:4]2[N:3]=1.[NH:17]1[CH2:23][C:21](=[O:22])[NH:20][C:18]1=[O:19].N1CCCCC1>C(O)C>[NH2:1][C:2]1[CH:7]=[C:6]([NH:8][CH:9]2[CH2:10][CH2:11]2)[N:5]2[N:12]=[CH:13][C:14]([CH:15]=[C:23]3[NH:17][C:18](=[O:19])[NH:20][C:21]3=[O:22])=[C:4]2[N:3]=1参加物
5
反応条件
- 温度
- 80 °C
実験手順
To 5-amino-7-(cyclopropylamino)pyrazolo[1,5-a]pyrimidine-3-carbaldehyde (75 mg, 0.34 mmol) in 1.0 mL ethanol was added hydantoin (34 mg, 0.34 mmol) and piperidine (33 ul). The reaction was heated at 80° C. overnight. The reaction mixture was cooled to room temperature and yellow precipitate was filtered, washed with ethanol to yield 45 mg (44% yield) Z)-5-((5-amino-7-(cyclopropylamino)pyrazolo[1,5-a]pyrimidin-3-yl)methylene)imidazolidine-2,4-dione. LCMS (M+1=300)
後処理
- temperatureThe reaction mixture was cooled to room temperature
- filtrationyellow precipitate was filtered
- washwashed with ethanol
出典と根拠
- ORDレコード
- ord-80a932f491634fb8ac3dd959dd629ea2
- 出典データセット
- uspto-grants-2016_04
- 特許番号
- US09303033B2
反応ノート
読み込み中…