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. 2021 May 5;14(19):4041–4070. doi: 10.1002/cssc.202100400

Scheme 8.

Scheme 8

A fully recyclable aromatic bio‐based polyester based on the ROP of 2,3‐dihydro‐5H‐1,4‐benzodioxepin‐5‐one (2,3‐DHB) mediated by an AlIII‐salen complex. [317]