19-t-Butyldimethylsiloxy-4-androstene-3,17-dione → 19-t-Butyldimethylsiloxy-6alpha-methyl-4-androstene-3,17-dione
反応式
[OH:1][CH2:2][C@@:3]12[C@@H:20]3[C@H:11]([C@H:12]4[C@@:16]([CH2:18][CH2:19]3)([CH3:17])[C:15](=[O:21])[CH2:14][CH2:13]4)[CH2:10][C@H:9]([CH3:22])[C:8]1=[CH:7][C:6](=[O:23])[CH2:5][CH2:4]2.O(C[C@@]12[C@@H]3[C@H]([C@H]4[C@@](CC3)(C)C(=O)CC4)CCC1=CC(=O)CC2)[Si:25]([C:28]([CH3:31])([CH3:30])[CH3:29])([CH3:27])[CH3:26]>>[O:1]([CH2:2][C@@:3]12[C@@H:20]3[C@H:11]([C@H:12]4[C@@:16]([CH2:18][CH2:19]3)([CH3:17])[C:15](=[O:21])[CH2:14][CH2:13]4)[CH2:10][C@H:9]([CH3:22])[C:8]1=[CH:7][C:6](=[O:23])[CH2:5][CH2:4]2)[Si:25]([C:28]([CH3:31])([CH3:30])[CH3:29])([CH3:27])[CH3:26]参加物
3
実験手順
Following essentially the same procedure and substituting 19-hydroxy-6α-methyl-4-androstene-3,17-dione for the 19-hydroxy-4-androstene-3,17-dione above results in the preparation of 19-t-butyldimethylsiloxy-6α-methyl-4-androstene-3,17-dione.
出典と根拠
- ORDレコード
- ord-50e2b1a6baa940aabbaf3d3364703efc
- 出典データセット
- uspto-grants-1978_05