نتایج جستجو برای: ring opening metathesis polymerization
تعداد نتایج: 197458 فیلتر نتایج به سال:
Ring-opening metathesis catalysis has received little attention as a means to functionalize or crosslink biopolymers in water since the required catalysts are not usually stable under these conditions. However, biopolymer solubility suggests such a procedure. We show that Grubbs 1 and 2 generation catalysts (in emulsion) as well as a water-soluble Hoveyda-Grubbs catalyst can be applied to cross...
In this paper, Grubbs- and Hoveyda–Grubbs-type olefin metathesis catalysts featuring N-cyclopentyl/N’-mesityl backbone-substituted N-heterocyclic carbene (NHC) ligands were synthesized. Their propensity to promote the alternating ring-opening copolymerization (ROMP) of norbornene (NBE) with cyclooctene (COE) or cyclopentene (CPE) was evaluated compared that shown by analogous N-cyclohexyl compl...
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