Hydrochloric Acid → 4-Cyano-4'-trifluoromethylbutyrophenone O-(2-aminoethyl) oxime hydrochloride
反応式
[C:1]([CH2:3][CH2:4][CH2:5][C:6]([C:8]1[CH:13]=[CH:12][C:11]([C:14]([F:17])([F:16])[F:15])=[CH:10][CH:9]=1)=O)#[N:2].[ClH:18].Cl.[NH2:20][O:21][CH2:22][CH2:23][NH2:24].N1C=CC=CC=1.Cl>C(O)C>[ClH:18].[NH2:24][CH2:23][CH2:22][O:21][N:20]=[C:6]([C:8]1[CH:13]=[CH:12][C:11]([C:14]([F:17])([F:16])[F:15])=[CH:10][CH:9]=1)[CH2:5][CH2:4][CH2:3][C:1]#[N:2]参加物
6
実験手順
5.6 Mmol (1.35 g) of 4-cyano-4'-trifluoromethylbutyrophenone, 5.6 mmol (0.84 g) of 2 aminooxyethylamine dihydrochloride and 0.8 ml of pyridine were refluxed in 20 ml of absolute ethanol for 2.5 hours. The processing was equal to that of example 1. The resulting free base was dissolved in absolute ethanol and an equivalent quantity of 2N alcoholic hydrochloric acid was added. The ethanol was then removed in vacuo and the residue was crystallized twice from ethanol/ether (1:5). The melting point of the resulting title compound was 136°-136.5° C.
後処理
- customThe ethanol was then removed in vacuo
- customthe residue was crystallized twice from ethanol/ether (1:5)
- customwas 136°-136.5° C.
出典と根拠
- ORDレコード
- ord-cd98fd0404eb4f61809f5482a0c88104
- 出典データセット
- uspto-grants-1978_04
- 特許番号
- US04085225
反応ノート
読み込み中…