反応式
C(OC(OC(OCC)=O)=O)C.C(OC([N:17]1[C:25]2[C:20](=[CH:21][CH:22]=[C:23]([C:26]([F:29])([F:28])[F:27])[CH:24]=2)[C:19]([NH2:30])=[N:18]1)=O)C>C(O)C>[NH2:30][C:19]1[C:20]2[C:25](=[CH:24][C:23]([C:26]([F:28])([F:27])[F:29])=[CH:22][CH:21]=2)[NH:17][N:18]=1参加物
4
実験手順
Analogously to Example 22, 0.04 mol of 3-amino-6-trifluoromethylindazole and 50 ml of pyrocarbonic acid diethyl ester in 25 ml of ethanol give 3-amino-6-trifluoromethylindazole-1-carboxylic acid ethyl ester (melting point: 168°-169° C; 64% of theory) in 2 hours at 80° C.
出典と根拠
- ORDレコード
- ord-45663ffc510940dfb989d3afcbed9a56
- 出典データセット
- uspto-grants-1977_09
- 特許番号
- US04051252
関連ノート
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