[CH2:1]([O:8][C:9]1[C:18]2[C:13](=[CH:14][CH:15]=[CH:16][CH:17]=2)[N:12]=[C:11]([CH2:19][OH:20])[C:10]=1[CH3:21])[C:2]1[CH:7]=[CH:6][CH:5]=[CH:4][CH:3]=1.[CH2:22]([N:27]=[C:28]=[O:29])[CH2:23][CH2:24][CH2:25][CH3:26].CO>C1COCC1>[CH2:1]([O:8][C:9]1[C:18]2[C:13](=[CH:14][CH:15]=[CH:16][CH:17]=2)[N:12]=[C:11]([CH2:19][O:20][C:28](=[O:29])[NH:27][CH2:22][CH2:23][CH2:24][CH2:25][CH3:26])[C:10]=1[CH3:21])[C:2]1[CH:3]=[CH:4][CH:5]=[CH:6][CH:7]=1To a solution of [4-(benzyloxy)-3-methylquinolin-2-yl]methanol (105 mg) in THF (3 mL) was added pentylisocyanate (45 mg), followed by stirring at room temperature for 1 hour. Pentylisocyanate (20 mg) was further added to the reaction mixture, followed by stirring at room temperature for 16 hours. Methanol (2 mL) was added to the reaction mixture, and then the solvent was evaporated under reduced pressure. The residue was purified by silica gel column chromatography (eluent: chloroform) to obtain [4-(benzyloxy)-3-methylquinolin-2-yl]methylpentylcarbamate (150 mg).
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