Hydrazinecarboxylic acid, ethyl ester → HCID 13424603、化合物
反応式
Cl[C:2]1[N:3]=[N:4][C:5]([C:8]2[CH:13]=[CH:12][C:11]([O:14][CH3:15])=[C:10]([F:16])[CH:9]=2)=[CH:6][CH:7]=1.[C:17](OCC)(=[O:20])[NH:18][NH2:19]>C(O)CCC>[F:16][C:10]1[CH:9]=[C:8]([C:5]2[CH:6]=[CH:7][C:2]3[N:3]([C:17](=[O:20])[NH:18][N:19]=3)[N:4]=2)[CH:13]=[CH:12][C:11]=1[O:14][CH3:15]参加物
4
実験手順
A mixture comprising 4.0 g. of 3-chloro-6-(3-fluoro-4-methoxyphenyl)-pyridazine (U.S. Pat. No. 4,092,311), 3.54 g. of ethyl carbazate and 100 ml. of butanol is stirred at reflux for 3 days and then cooled in an ice bath. The resulting solid is collected by filtration and dried, giving 2.4 g. of the desired product as a tan solid, m.p. 289°-290° C.
後処理
- temperatureat reflux for 3 days
- temperaturecooled in an ice bath
- filtrationThe resulting solid is collected by filtration
- customdried
- customgiving 2.4 g
出典と根拠
- ORDレコード
- ord-29a49613a3bc47d8bec0d2974de3a5f3
- 出典データセット
- uspto-grants-1985_05
- 特許番号
- US04515791
反応ノート
読み込み中…