反応式
[NH2:1][C:2]1[C:3]([C:8]#[N:9])=[N:4][CH:5]=[CH:6][N:7]=1.[Cl:10][C:11]1[CH:21]=[CH:20][C:14]([O:15][CH2:16][C:17](N)=[NH:18])=[CH:13][CH:12]=1.CN(C)C=O>C(O)C>[NH2:9][C:8]1[C:3]2[C:2](=[N:7][CH:6]=[CH:5][N:4]=2)[N:1]=[C:17]([CH2:16][O:15][C:14]2[CH:20]=[CH:21][C:11]([Cl:10])=[CH:12][CH:13]=2)[N:18]=1参加物
5
実験手順
Obtained using the procedure described in section c of Example 2, starting with 10.7 g (0.089 mole) of 3-amino-2-pyrazinecarbonitrile and 24.5 g (0.133 mole) of 2-(4-chlorophenoxy)acetamidine [prepared according to C. Djerassi and C. R. Scholz, U.S. Pat. No. 2,517,468; C.A. 1951, 45, 661f] in 320 ml of absolute ethanol. Refluxing time: 7 hours. Yld: 21.5 g (84%), m.p. 246°-248° C. (N,N-dimethylformamide).
後処理
- customObtained
- customprepared
- temperatureRefluxing time
- custom7 hours
出典と根拠
- ORDレコード
- ord-80961a04363848518e55b6a7f3125464
- 出典データセット
- uspto-grants-1993_12
- 特許番号
- US05270465
関連ノート
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