[Cl-].[Al+3].[Cl-].[Cl-].[C@@H:5]12[C:13](=[O:14])[O:12][C:10](=[O:11])[C@@H:6]1[CH2:7][CH2:8][CH2:9]2>ClCCCl>[CH3:9][C:5]([CH3:13])=[CH:6][C:10]([C@H:6]1[CH2:7][CH2:8][CH2:9][C@H:5]1[C:13]([OH:12])=[O:14])=[O:11]To a stirred suspension of 4.38 g. (32.86 mmole) of anhydrous aluminum chloride in 100 ml. of 1,2-dichloroethane at room temperature is added 2.30 g. (16.43 mmoles) of cis-1,2-cyclopentanedicarboxylic anhydride. Ethylene is then bubbled through the clear solution with stirring for four hours.
Wird geladen…