Triethylamine → (Z)-5-Fluoro-2-methyl-1-(4-methylthiobenzylidene)-3-(2-hydroximinoethyl)indene
反応式
[F:1][C:2]1[CH:3]=[C:4]2[C:8](=[CH:9][CH:10]=1)/[C:7](=[CH:11]\[C:12]1[CH:17]=[CH:16][C:15]([S:18][CH3:19])=[CH:14][CH:13]=1)/[C:6]([CH3:20])=[C:5]2[CH2:21][CH:22]=O.Cl.[NH2:25][OH:26].C(N(CC)CC)C>C(O)C>[F:1][C:2]1[CH:3]=[C:4]2[C:8](=[CH:9][CH:10]=1)/[C:7](=[CH:11]\[C:12]1[CH:17]=[CH:16][C:15]([S:18][CH3:19])=[CH:14][CH:13]=1)/[C:6]([CH3:20])=[C:5]2[CH2:21][CH:22]=[N:25][OH:26]参加物
5
実験手順
A mixture of the acetaldehyde derivative from Step 2 (3.3 g, 10.18 mmol), hydroxylamine hydrochloride (1.42 g, 20.4 mmol), ethanol (25 mL) and triethylamine (2.06 g, 20.4 mmol) was stirred at room temperature for 30 minutes. The solvent was evaporated away and the residue was partitioned between ethyl acetate and water. The crude product from the organic phase was purified by column chromatography on silica gel using a 1:2 mixture of ethyl acetate:hexane as eluent. The title compound was obtained as a yellow solid, mp: 146°-150° C.
後処理
- customThe solvent was evaporated away
- customthe residue was partitioned between ethyl acetate and water
- customThe crude product from the organic phase was purified by column chromatography on silica gel using
- additiona 1:2 mixture of ethyl acetate
出典と根拠
- ORDレコード
- ord-750b7bae15614a11a7f1766b1ed02b69
- 出典データセット
- uspto-grants-1992_03
- 特許番号
- US05093356
反応ノート
読み込み中…