Methanol → Methyl 3-Amino-2(S)-phenylsulfonylaminopropionate hydrochloride
反応式
[NH2:1][CH2:2][C@H:3]([NH:7][S:8]([C:11]1[CH:16]=[CH:15][CH:14]=[CH:13][CH:12]=1)(=[O:10])=[O:9])[C:4]([OH:6])=[O:5].O=S(Cl)[Cl:19].[CH3:21]O>>[ClH:19].[NH2:1][CH2:2][C@H:3]([NH:7][S:8]([C:11]1[CH:16]=[CH:15][CH:14]=[CH:13][CH:12]=1)(=[O:10])=[O:9])[C:4]([O:6][CH3:21])=[O:5]参加物
4
実験手順
To a stirred solution of 2-1b (5.0 g, 21 mmol) in CH3OH (100 mL) at 0° C. was added SOCl2 (7.5 mL, 100 mmol) dropwise. The cooling bath was then removed and the solution stirred at ambient temperature for 20 h. Concentration and trituration with ether gave 2-2 as a white solid.
後処理
- customThe cooling bath was then removed
- concentrationConcentration and trituration with ether
出典と根拠
- ORDレコード
- ord-04a782cfc20949a4b3ec1877f90ac250
- 出典データセット
- uspto-grants-1998_04
- 特許番号
- US05741796
反応ノート
読み込み中…