Catalytic Synthesis of Alkene-Carbon Monoxide Copolymers and Cooligomers

217 2. COPOLYMERIZATION OF PROPENE OR HIGHER I-ALKENES WITH 218 CARBON MONOXIDE 2. Ligands and polymerization conditions 218 2. Spiroketal formation 221 2. INTRODUCTION 237 2. INTRODUCTION 265 2. COPOLYMERIZATION OF CARBON MONOXIDE WITH ETHYLENE 267 2. The productive cycle 270 2. C2H4 misinsertion into an ethylene terminated polyketone 275 chain 2.