[C@H:1]12[N:8](C(OC(C)(C)C)=O)[C@H:5]([CH2:6][CH2:7]1)[CH2:4][CH2:3][CH:2]2[C:16]([O:18][CH3:19])=[O:17].Cl>CCO.O1CCOCC1>[C@H:1]12[NH:8][C@H:5]([CH2:6][CH2:7]1)[CH2:4][CH2:3][CH:2]2[C:16]([O:18][CH3:19])=[O:17]To (1S,5S)-8-tert-butyl 2-methyl 8-azabicyclo[3.2.1]octane-2,8-dicarboxylate (5.49 g) in EtOH (1 mL) was added 4M HCl in dioxane (5 mL). The reaction mixture was stirred at room temperature for 2 hours. Concentrated to give crude product (3.45 g).
読み込み中…