反応式
CO[C:3]([C:5]1[C:14]([C:15]([O:17]C)=O)=[C:13]([OH:19])[C:12]2[C:7](=[CH:8][C:9]([Cl:20])=[CH:10][CH:11]=2)[N:6]=1)=[O:4].Cl.Cl.[CH2:23]([NH:30][NH2:31])[C:24]1[CH:29]=[CH:28][CH:27]=[CH:26][CH:25]=1.C(N(CC)CC)C>C(O)C>[CH2:23]([N:30]1[C:15](=[O:17])[C:14]2[C:13](=[O:19])[C:12]3[CH:11]=[CH:10][C:9]([Cl:20])=[CH:8][C:7]=3[NH:6][C:5]=2[C:3]([OH:4])=[N:31]1)[C:24]1[CH:29]=[CH:28][CH:27]=[CH:26][CH:25]=1参加物
5
実験手順
To a stirred suspension of dimethyl-7-chloro-4-hydroxyquinoline-2,3-dicarboxylate (5.00 g, 16.90 mM) and benzylhydrazine dihydrochloride (46.15 g, 236.50 mM) in ethanol (100 mL) was added triethylamine (75.8 mL, 541.0 mM). The mixture was heated to give a brown solution which was refluxed for 40 hours during which time a precipitate formed. The suspension was cooled to room temperature and filtered to give the benzylhydrazine salt of the title compound as an impure yellow solid. Multiple crystallizations from ethanolic hydrogen chloride and methanol gave the title compound (0.370 g, 6%) as a white powder, mp 347-350° C.; MS(CI): 354 (M+H).
後処理
- temperatureThe mixture was heated
- customto give a brown solution which
- temperaturewas refluxed for 40 hours during which time a precipitate
- customformed
- filtrationfiltered
出典と根拠
- ORDレコード
- ord-f8c16bbecf424a2f81a68afe47b94588
- 出典データセット
- uspto-grants-2001_04
- 特許番号
- US06214826B1
関連ノート
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