1,3-Dibromo-5,5-dimethylhydantoin → 3beta,24-Bis(tert-butyldimethylsilyloxy)-4,4-dimethylchola-5,7-diene
Reaktionsgleichung
[Si:1]([O:8][C@H:9]1[CH2:38][CH2:37][C@@:36]2([CH3:39])[C:11](=[CH:12][CH2:13][C@@H:14]3[C@@H:35]2[CH2:34][CH2:33][C@@:32]2([CH3:40])[C@H:15]3[CH2:16][CH2:17][C@@H:18]2[C@H:19]([CH3:31])[CH2:20][CH2:21][CH2:22][O:23][Si:24]([C:27]([CH3:30])([CH3:29])[CH3:28])([CH3:26])[CH3:25])[C:10]1([CH3:42])[CH3:41])([C:4]([CH3:7])([CH3:6])[CH3:5])([CH3:3])[CH3:2].BrN1C(C)(C)C(=O)N(Br)C1=O>CCCCCC.C1C=CC=CC=1>[Si:1]([O:8][C@H:9]1[CH2:38][CH2:37][C@@:36]2([CH3:39])[C:11](=[CH:12][CH:13]=[C:14]3[C@@H:35]2[CH2:34][CH2:33][C@@:32]2([CH3:40])[C@H:15]3[CH2:16][CH2:17][C@@H:18]2[C@H:19]([CH3:31])[CH2:20][CH2:21][CH2:22][O:23][Si:24]([C:27]([CH3:28])([CH3:29])[CH3:30])([CH3:26])[CH3:25])[C:10]1([CH3:41])[CH3:42])([C:4]([CH3:5])([CH3:6])[CH3:7])([CH3:3])[CH3:2]Komponenten
5
