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Materials based on aliphatic polyesters attract much attention due to their biodegradation and biocompatibility. The ring opening polymerization using metal complexes as catalysts is the most used method for synthesis of such materials due to reproducibility and reaction control. Development of new catalysts of such process is the actual problem for modern organometallic chemistry. In our work we synthesized mixed aluminium complexes containing salen ligands and fragments of functionalized unsaturated alcohols. These compounds were used as catalysts in ring opening polymerization of cyclic lactones. The fragment of unsaturated alcohol is transferred to the end of polymer chain. This synthetic strategy allows us to obtain macromonomers based on biodegradable materials with high degree of functionalization.