Ring‐opening Polymerization of L‐Lactide by an Anionic Cobalt(II) Aryloxide |
| |
| Authors: | Chunxiang Yuan Xiaoping Xu Yong Zhang Shunjun Ji |
| |
| Institution: | Key Laboratory of Organic Synthesis of Jiangsu Province, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou, Jiangsu 215123, China |
| |
| Abstract: | The reaction of anhydrous CoCl2 with NaOAr (ArO=2,4,6‐tri‐tert‐butylphenoxo) in THF at room temperature in 1:3 molar ratio afforded anionic cobalt aryloxide Na(THF)6]Co(OAr)3] ( 1 ). The definite structure of this complex was characterized by X‐ray single crystal diffraction. It was found that this anionic aryloxo cobalt(II) complex could effectively initiate the ring‐opening polymerization of L‐lactide both in solution and in bulk, leading to high molecular weight poly(L‐lactide). |
| |
| Keywords: | ring‐opening polymerization cobalt(II) aryloxide synthesis L‐lactide |
|
|
