[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]([CH2:22][CH3:23])=[C:14]([CH2:24][OH:25])[CH:13]=3)[CH2:9]1)=[O:7])([CH3:4])([CH3:3])[CH3:2].[H-].[Na+].[CH3:28]I>>[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]([CH2:22][CH3:23])=[C:14]([CH2:24][O:25][CH3:28])[CH:13]=3)[CH2:9]1)=[O:7])([CH3:2])([CH3:3])[CH3:4]This compound was prepared in analogy to example 1, intermediate d) from (4R,9aR)-6-ethyl-7-hydroxymethyl-4-methyl-3,4,9,9a-tetrahydro-1H-2,4a,5-triaza-fluorene-2-carboxylic acid tert-butyl ester, sodium hydride and methyl iodide.
読み込み中…