Triethylamine → (2S)-2,4-Bis[(tert-butoxycarbonyl)amino]butyl methanesulphonate
反応式
[C:1]([O:5][C:6](=[O:21])[NH:7][CH2:8][CH2:9][C@H:10]([NH:13][C:14]([O:16][C:17]([CH3:20])([CH3:19])[CH3:18])=[O:15])[CH2:11][OH:12])([CH3:4])([CH3:3])[CH3:2].[CH3:22][S:23](Cl)(=[O:25])=[O:24].C(N(CC)CC)C>ClCCl>[CH3:22][S:23]([O:12][CH2:11][C@@H:10]([NH:13][C:14]([O:16][C:17]([CH3:20])([CH3:19])[CH3:18])=[O:15])[CH2:9][CH2:8][NH:7][C:6]([O:5][C:1]([CH3:4])([CH3:3])[CH3:2])=[O:21])(=[O:25])=[O:24]参加物
5
実験手順
Preparation takes place in analogy to Example 84A from 250 mg (0.81 mmol) of tert-butyl{(3S)-3-[(tert-butoxycarbonyl)amino]-4-hydroxybutyl}carbamate (Example 89A) in 20 ml of dichloromethane with 110 mg (0.97 mmol) of methanesulfonyl chloride and 0.23 ml (1.6 mmol) of triethylamine. The product is reacted without further purification.
後処理
- customPreparation
- customThe product is reacted without further purification
出典と根拠
- ORDレコード
- ord-66dc4b91028b4aafb09346fd1ff872a6
- 出典データセット
- uspto-grants-2008_11
- 特許番号
- US07446102B2
反応ノート
読み込み中…