[C:1]([O:5][C:6]([N:8]1[CH2:20][C@@H:19]([CH3:21])[N:18]2[C@H:10]([CH2:11][C:12]3[C:17]2=[N:16][C:15]([CH3:22])=[C:14]([OH:23])[CH:13]=3)[CH2:9]1)=[O:7])([CH3:4])([CH3:3])[CH3:2].[H-].[Na+].Br[CH:27]([CH3:29])[CH3:28]>>[C:1]([O:5][C:6]([N:8]1[CH2:20][C@@H:19]([CH3:21])[N:18]2[C@H:10]([CH2:11][C:12]3[C:17]2=[N:16][C:15]([CH3:22])=[C:14]([O:23][CH:27]([CH3:29])[CH3:28])[CH:13]=3)[CH2:9]1)=[O:7])([CH3:3])([CH3:4])[CH3:2]This compound was prepared in analogy to example 1 intermediate d), from (4R,9aR)-7-hydroxy-4,6-dimethyl-3,4,9,9a-tetrahydro-1H-2,4a,5-triaza-fluorene-2-carboxylic acid tert-butyl ester (example 7, intermediate), sodium hydride and 2-bromopropane.
Wird geladen…