[C:1](Cl)(=O)[C:2]([Cl:4])=[O:3].[CH3:7][O:8][C:9](=[O:20])[CH2:10][CH2:11][CH2:12][CH2:13][CH2:14][CH2:15]CC(O)=O>C(Cl)(Cl)Cl>[CH3:7][O:8][C:9]([CH2:10][CH2:11][CH2:12][CH2:13][CH2:14][CH2:15][CH2:1][C:2]([Cl:4])=[O:3])=[O:20]In a separate process, 23.9 g of azelaic monomethylester was dissolved in 30 ml chloroform. Oxalylchloride (15 ml) was added, all at once, and the mixture refluxed 2 hours at 50° C. The mixture was cooled; excess solvent and oxalylchloride were evaporated. After distillation, 25.8 g of CH3OCO(CH2)7COCl was obtained.
Wird geladen…