反応式
[F:1][C:2]1[CH:10]=[CH:9][CH:8]=[C:7]([F:11])[C:3]=1[C:4]([OH:6])=O.[CH2:12]([O:14][C:15]([C:17]1[C:21]([NH2:22])=[CH:20][NH:19][N:18]=1)=[O:16])[CH3:13].C(Cl)CCl.C1C=CC2N(O)N=NC=2C=1>CN(C=O)C.O>[CH2:12]([O:14][C:15]([C:17]1[C:21]([NH:22][C:4](=[O:6])[C:3]2[C:7]([F:11])=[CH:8][CH:9]=[CH:10][C:2]=2[F:1])=[CH:20][NH:19][N:18]=1)=[O:16])[CH3:13]参加物
7
実験手順
A mixture of 2,6-difluorobenzoic acid (6.32 g, 40.0 mmol), 4-amino-1H-pyrazole-3-carboxylic acid ethyl ester (5.96 g, 38.4 mmol), EDC (8.83 g, 46.1 mmol) and HOBt (6.23 g, 46.1 mmol) in DMF (100 ml) was stirred at ambient temperature for 6 h. The mixture was reduced in vacuo, water added and the solid formed collected by filtration and air-dried to give 4-(2,6-difluoro-benzoylamino)-1H-pyrazole-3-carboxylic acid ethyl ester as the major component of a mixture (15.3 g). (LC/MS: Rt 3.11, [M+H]+295.99).
後処理
- additionadded
- customthe solid formed
- filtrationcollected by filtration
- customair-dried
出典と根拠
- ORDレコード
- ord-fab86eb499d149f49db13fbbf577861d
- 出典データセット
- uspto-grants-2008_06
- 特許番号
- US07385059B2
関連ノート
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