Ring opening metathesis polymerisations of norbornene and norbornadiene derivatives containing oxygen: a study on the regeneration of Grubbs catalyst

Metal catalysts for the vinyl/addition polymerization of norbornene

“…While the industrial catalysts are usually heterogenous, academic ROMP research has focused on molecular single-component catalysts with metal-carbene complexes featuring prominently. Examples are tungsten-(carbene) complexes [3][4][5][6][7][8][9][10], molybdenum-(carbene) complexes [11][12][13][14][15][16][17] and ruthenium-(carbene) complexes [18][19][20][21][22][23][24]. The possibility of a ring-opening metathesis polymerization of norbornene with catalyst systems based on titanium [25], zirconium and hafnium [26], vanadium [27,28], niobium [29], tantalum [29][30][31][32], osmium [33] and rhenium [34] has been reported.…”

Ring-Closing Metathesis Synthesis of Medium and Large Rings: Challenges and Implications for Sustainable Synthesis

“…The Grubbs-class ruthenium metathesis catalysts, while less sensitive to oxygen or water than the group 6 systems, are nevertheless susceptible to deactivation through chelation of (e.g.) carbonyl functionalities [76][77][78][79]. Instances of sensitivity to alcohol or amine functionalities have also been reported [80,81] (see also Section 4.1.2).…”

Polymerization of hydroxyacetylenes by ruthenium alkylidene complexes

“…Although analysis of the 1 H NMR spectra for the kinetic studies of the ROMP reactions initiated by well-defined ruthenium catalysts was extensively discussed in many publications [28][29][30][31][32], there are only few reports concerning analogous research of alkyne polymerization reactions [19][20][21]. Investigation of polymerization of 1,6-heptadiynes containing hydroxymethyl and ester groups with well-defined Ru-based initiators, i.e.…”