21-Chloro-11beta,17-dihydroxy-16alpha-[2-(tetrahydropyran-2-yloxy)ethoxy]-pregna-1,4-diene-3,20-dione → 21-Chloro-11beta,17-dihydroxy-16alpha-(2-hydroxyethoxy)pregna-1,4-diene-3,20-dione
反応式
[Cl:1][CH2:2][C:3](=[O:36])[C@:4]1([OH:35])[C@:21]2([CH3:22])[C@H:7]([C@H:8]3[C@H:18]([C@@H:19]([OH:23])[CH2:20]2)[C@:16]2([CH3:17])[C:11](=[CH:12][C:13](=[O:24])[CH:14]=[CH:15]2)[CH2:10][CH2:9]3)[CH2:6][C@H:5]1[O:25][CH2:26][CH2:27][O:28]C1CCCCO1>C(O)(=O)C.O>[Cl:1][CH2:2][C:3](=[O:36])[C@:4]1([OH:35])[C@:21]2([CH3:22])[C@H:7]([C@H:8]3[C@H:18]([C@@H:19]([OH:23])[CH2:20]2)[C@:16]2([CH3:17])[C:11](=[CH:12][C:13](=[O:24])[CH:14]=[CH:15]2)[CH2:10][CH2:9]3)[CH2:6][C@H:5]1[O:25][CH2:26][CH2:27][OH:28]参加物
4
実験手順
A solution of 21-chloro-11β,17-dihydroxy-16α-[2-(tetrahydropyran-2-yloxy)ethoxy]pregna-1,4-diene-3,20-dione (8.4 mmoles) in 50 ml of acetic acid and 50 ml of water is stirred at room temperature for 6 hours, diluted with cold water, and the resulting solid filtered and dried in vacuo to yield the title compound.
後処理
- filtrationthe resulting solid filtered
- customdried in vacuo
出典と根拠
- ORDレコード
- ord-653cfec4b7934e5faae72f807aa48766
- 出典データセット
- uspto-grants-1976_07
- 特許番号
- US03971773
反応ノート
読み込み中…