[NH2:1][CH2:2][CH2:3][CH2:4][CH2:5][CH2:6][CH2:7][CH2:8][NH2:9].[C:10](Cl)(=[O:17])[C:11]1[CH:16]=[CH:15][CH:14]=[CH:13][CH:12]=1>N1C=CC=CC=1>[C:10]([NH:1][CH2:2][CH2:3][CH2:4][CH2:5][CH2:6][CH2:7][CH2:8][NH:9][C:10](=[O:17])[C:11]1[CH:16]=[CH:15][CH:14]=[CH:13][CH:12]=1)(=[O:17])[C:11]1[CH:16]=[CH:15][CH:14]=[CH:13][CH:12]=1Dissolve 1,9-diazanonane (13 g, 0.1 mol) in pyridine (200 mL) and cool to 0° C. Add, by dropwise addition, benzoyl chloride (31 g, 0.22 mol) and stir overnight. Extract into chloroform, wash with water, 5% hydrochloric acid, 5% sodium hydroxide, water and dry (MgSO4). Evaporate the solvent in vacuo and purify by silica gel chromatography to give 1,9-bis(benzoyl)-1,9-diazanonane.
Wird geladen…