6533b7d1fe1ef96bd125c16b
RESEARCH PRODUCT
Polymerization of ε-caprolactone using heterobimetallic lanthanocene complexes
Kai C. HultzschJun Okudasubject
chemistry.chemical_classificationReaction mechanismPolymers and PlasticsStereochemistryOrganic ChemistryDispersitySolution polymerizationPolymerMedicinal chemistryRing-opening polymerizationchemistry.chemical_compoundMonomerchemistryPolymerizationMaterials ChemistryCaprolactonedescription
The chiral heterobimetallic complexes Li[Ln(η 5 :η 1 -C 5 R 4 1 SiMe 2 NCH 2 CH 2 R 2 ) 2 ] (ln= Y, Lu; C 5 R 4 1 = C 5 Me 4 , C 5 H 4 , 3-C 5 H 3 tBu; R 2 = OMe, NMe 2 ) have been found to polymerize e-caprolactone to give a polymer of high molecular weight (M n > 20000) and moderate polydispersity (M w /M n < 2). Failure to observe a correlation between monomer/initiator ratio and molecular weight suggest a polymerization mechanism different from a pseudo-anionic mechanism
| year | journal | country | edition | language |
|---|---|---|---|---|
| 1997-09-01 | Macromolecular Rapid Communications |