Figure 9.

(a) Concept of hydroesterificative polymerization to linear polyesters^90,91 and competitive alkene copolymerization.⁹⁴ (b) Formation of branched polyketoesters by combining compatible pathways of linear hydroesterificative and carbonylative alkene polymerization.⁹⁶ (c) Catalytic cycles of hydroesterificative and carbonylative alkene polymerization with common acyl intermediate, which allows for switching of the polymerization pathways (Figure 9c: Reprinted with permission from ACS Catal. 2022, 12, 14629–14636. Copyright © 2022, American Chemical Society).⁹⁶