The preparation of [small alpha],[small omega]-hydroxy-telechelic poly(cyclohexene carbonate) from a dizinc catalyst is reported. The telechelic polymer, with an yttrium initiator, can be used to polymerize lactide, yielding new triblock copolymers, substantially derived from renewable resources.
Kember, M. R., Copley, J., Buchard, A., & Williams, C. K. (2012). Triblock copolymers from lactide and telechelic poly(cyclohexene carbonate). Polymer Chemistry, 3(5), 1196-1201. https://doi.org/10.1039/C2PY00543C