[CH2:1]([N:3]1[C@H:11]2[C:6]3=[C:7]([CH:20]=[C:21]([CH3:23])[CH:22]=[C:5]3[C@@H:4]1[CH2:24][CH2:25][CH3:26])[C:8]1[C:15]([O:16]C)=[C:14]([O:18]C)[CH:13]=[CH:12][C:9]=1[CH2:10]2)[CH3:2].Cl>CO>[CH2:1]([N:3]1[C@H:11]2[C:6]3=[C:7]([CH:20]=[C:21]([CH3:23])[CH:22]=[C:5]3[C@@H:4]1[CH2:24][CH2:25][CH3:26])[C:8]1[C:15]([OH:16])=[C:14]([OH:18])[CH:13]=[CH:12][C:9]=1[CH2:10]2)[CH3:2]Proceeding as described in Example 1(g), (-)-(4S,5aR)-5-ethyl-4,5,5a,6-tetrahydro-9,10-dihydroxy-2-methyl-4-n-propyl-dibenz[cd,f]indole hydrobromide is obtained from the tartrate obtained above under (a). The corresponding hydrochloride melts at above 160° with decomposition; [α]D20 =-94° (c=0.5 in methanol).
読み込み中…