Latent olefin metathesis catalysts
Ung, thay and hejl, andrew and grubbs, robert h and schrodi, yann (2004) latent ruthenium olefin metathesis catalysts that contain an n-heterocyclic carbene ligand. Olefin metathesis is an organic reaction that entails the redistribution of fragments of alkenes (olefins) by the scission and regeneration of carbon-carbon double bonds. Acid- and photo-activated ruthenium metathesis catalysts of a highly active metathesis catalyst that was effective in latent olefin metathesis catalysts 1. Title: initiation at snails pace: design and applications of latent olefin metathesis catalysts featuring chelating alkylidene ligands volume: 12 issue: 18.
Read latent sulfur chelated ruthenium catalysts: steric acceleration effects on olefin metathesis, journal of organometallic chemistry on deepdyve, the largest. Read latent ruthenium olefin metathesis catalysts featuring a phosphine or an n-heterocyclic carbene ligand, journal of organometallic chemistry on deepdyve, the. The invention provides novel organometallic complexes useful as olefin metathesis catalysts the complexes have an n-heterocyclic carbene ligand and a.
In catalyst and monomer structure on the olefin metathesis of latent olefin metathesis catalysts with through catalyst and monomer design. Amidobenzylidene ruthenium chelates - latent catalysts of olefin metathesis can be easily activated by the addition of brønsted or lewis acids their activation in. Click here click here click here click here click here thermally stable latent olefin metathesis catalysts thermally stable, latent olefin metathesis. Gered several latent olefin metathesis catalysts have been reported,[13–15] but their disadvantage is that their synthesis re. A series of sulfur chelated dormant ruthenium olefin metathesis catalysts is presented the catalysts prepared were shown to possess the uncommon cis-dichloro a.
Full text abstract: highly thermally stable n-aryl,n-alkyl n-heterocyclic carbene (nhc) ruthenium catalysts were designed and synthesized for latent olefin. Activating catalysts with complex with appended polymer chains results in catalysis of olefin metathesis latent catalysts. Enhanced catalyst performance through activity control - latent ruthenium catalysts in ring-opening metathesis polymerisation reactions stijn monsaert ugent, renata. Introduction olefin metathesis is widely used as a method of constructing carbon-carbon double bonds 1 toward this end, highly efficient metathesis catalysts have.
Latent initiator, but some of the earliest commercial applications of ru-based olefin metathesis catalysts were in the field of ring-opening metathesis. Olefin metathesis is a versatile synthetic tool for the redistribution of alkylidene fragments at carbon–carbon double bonds this field, and more specifically the. 1 latent ruthenium based olefin metathesis catalyst with a sterically demanding nhc ligand anita leitgeb,a mudassar abbas,a roland c fischer,b albert poater,c,d. Highly thermally stable n-aryl, n-alkyl n-heterocyclic carbene (nhc) ruthenium catalysts were designed and synthesized for latent olefin metathesis these catalysts.
Latent oleﬁn metathesis catalysts stijn monsaert, ana lozano vila, renata drozdzak, pascal van der voort and francis verpoort received 20th february 2009. Consequences of the electronic tuning of latent ruthenium-based olefin metathesis catalysts on their reactivity. Design and application of latent olefin metathesis catalysts featuring s-chelating alkylidene ligands anna szadkowska and karol grela institute of organic. Olefin metathesis is a versatile synthetic tool for the redistribution of alkylidene fragments at carbon-carbon double bonds this field, and more specifically the.