Ring‐Opening Metathesis Polymerization

Abstract The sections in this article are Introduction to Ring‐Opening Metathesis Polymerization ( ROMP ) Well‐Defined Transition Metal‐Based Initiators for ROMP M ( NR )( CHCR ′)( OR ′′) 2 ‐Type S chrock Initiators ( M = Mo , W ) M ( NR )( CHCR ′)( OR )( X )‐Type S chrock Initiators ( X = Pyrrolide, 2,5‐Me‐Pyrrolide) G rubbs‐ and G rubbs– H oveyda‐Type Initiators Variations in the N ‐Heterocyclic Carbene Pseudo‐Halide Derivatives of G rubbs‐ and G rubbs– H oveyda Initiators Latent Initiators for ROMP Thermal Activation Photochemical Activation “Living” ROMP ROMP with M ( NR )( CHCR ′)( OR ′′) 2 ‐Type S chrock Initiators ROMP with G rubbs and G rubbs– H oveyda‐Type Initiators Special Features of Selected Ru‐Based Initiators ROMP of High‐ and Low‐Ring‐Strain Monomers Stereoselective and Regioselective ROMP Mechanistic Investigations Alternating Copolymerizations Changes in Polymerization Mechanism ROMP in Water ROMP in Ionic Liquids Applications of ROMP in Material Science Summary and Outlook