[C:1]([O:5][C:6]([N:8]1[CH2:13][CH2:12][CH:11]([NH:14][C:15]2[CH:20]=[CH:19][C:18]([O:21][CH3:22])=[CH:17][CH:16]=2)[CH2:10][CH2:9]1)=[O:7])([CH3:4])([CH3:3])[CH3:2].[CH2:23](Br)[C:24]1[CH:29]=[CH:28][CH:27]=[CH:26][CH:25]=1>>[C:1]([O:5][C:6]([N:8]1[CH2:13][CH2:12][CH:11]([N:14]([CH2:23][C:24]2[CH:29]=[CH:28][CH:27]=[CH:26][CH:25]=2)[C:15]2[CH:20]=[CH:19][C:18]([O:21][CH3:22])=[CH:17][CH:16]=2)[CH2:10][CH2:9]1)=[O:7])([CH3:4])([CH3:3])[CH3:2]Using general procedure H, 4-(4-methoxyphenylamino)-piperidine-1-carboxylic acid tert-butyl ester (see EXAMPLE 77) (612 mg, 2.00 mmol) and benzyl bromide (410 mg, 2.40 mmol) gave 4-[benzyl-(4-methoxyphenyl)-amino]-piperidine-1-carboxylic acid tert-butyl ester as a colorless oil (688 mg, 87%).
読み込み中…