Unexpected substituent's effects on catalytic activity in the ring-opening polymerization of ε-CL and δ-VL catalyzed by β-pyridyl-enamino Al complexes

Engineering & Materials Science

• Ring opening polymerization 100%
• Catalyst activity 69%
• Polymerization 62%
• Ligands 49%
• Nuclear magnetic resonance spectroscopy 28%
• Single crystals 21%
• Esters 20%
• Alcohols 20%
• X ray diffraction 18%
• Catalysts 15%
• Aluminum 14%

Physics & Astronomy

• catalytic activity 71%
• polymerization 52%
• rings 38%
• ligands 28%
• insertion 27%
• initiators 17%
• esters 15%
• alcohols 14%
• catalysts 12%
• nuclear magnetic resonance 11%
• aluminum 9%
• single crystals 8%
• kinetics 8%
• diffraction 7%
• spectroscopy 7%
• electronics 7%
• x rays 6%

Chemical Compounds

• Substituent Effect 56%
• Ring Opening Polymerisation 56%
• Polymerization Reaction 33%
• Benzyl Alcohol 20%
• Steric Effect 18%
• Ligand 16%
• Single Crystal X-Ray Diffraction 13%
• NMR Spectroscopy 12%
• Ester 11%
• Catalyst 7%