https://pubs.rsc.org/en/Content/ArticleLanding/2014/PY/C3PY01380D
One-step synthesis of polylactide macrocycles from sparteine-initiated ROP - Polymer Chemistry (RSC...
The ring-opening polymerization (ROP) of l-lactide in dichloromethane with (+)-sparteine is described. Under aprotic conditions, (+)-sparteine leads to...