Ruthenium Olefin Metathesis Catalysts Bearing Carbohydrate-Based N-Heterocyclic Carbenes [PDF]
, 2010 Ru-based olefin metathesis catalysts containing carbohydrate-derived NHCs from glucose and galactose were synthesized and characterized by NMR spectroscopy. 2D-NMR spectroscopy revealed the presence of Ru−C (benzylidene) rotamers at room temperature, and
Grubbs, Robert H., Keitz, Benjamin K.
core +2 more sources
Special Issue “Ring-Opening Polymerization”
Molecules, 2016 n ...
Takeshi Endo, Atsushi Sudo
doaj +1 more source
Synthesis and Membrane Properties of Troger′s Base Polymers
Nantong Daxue xuebao. Ziran kexue ban, 2020 Troger′s base polymers have strong chemical stability, thermal stability and rigidity, V-shaped ladder structure and porous structure. The nitrogen heterocyclic ring is hydrophilic.
HUANG Ronglu; ZHANG Chen; WANG Yuyong; TANG Hai; ZHANG Ze
doaj +1 more source
Si-Imidazole-HSO4 Functionalized Magnetic Fe3O4 Nanoparticles as an Efficient and Reusable Catalyst for the Regioselective Ring Opening of Epoxides in Water [PDF]
Nanochemistry Research, 2016 An efficient and simple method for the preparation of Si-Imidazole-HSO4 functionalized magnetic Fe3O4 nanoparticles (Si-Im-HSO4 MNPs) and used as an efficient and reusable magnetic catalysts for the regioselective ring opening of epoxides under green ...
Eshagh Rezaee Nezhad +1 more
doaj +1 more source
Dual-functional materials via CCTP and selective orthogonal thiol-Michael addition/epoxide ring opening reactions [PDF]
, 2013 Poly(glycidyl methacrylate) (PGMA) has been synthesised by cobalt catalysed chain transfer polymerisation (CCTP) yielding, in one step, polymers with two points for post polymerisation functionalisation; the activated terminal vinyl bond and in chain ...
Haddleton, David M. +3 more
core +1 more source
Organocatalytic activation of cyclopropanes in asymmetric synthesis
Tetrahedron Chem, 2023 Cyclopropanes are strained carbocycles that can undergo ring opening reactions in which one of the C–C bond present in the cycle is broken following a radical or ionic mechanism.
Efraím Reyes +4 more
doaj +1 more source
Ring-opening copolymerization (ROCOP): synthesis and properties of polyesters and polycarbonates [PDF]
, 2015 Controlled routes to prepare polyesters and polycarbonates are of interest due to the widespread application of these materials and the opportunities provided to prepare new copolymers. Furthermore, ring-opening copolymerization may enable new poly(ester–
Brooks, R +5 more
core +1 more source
Flavin-enabled reductive and oxidative epoxide ring opening reactions
Nature Communications, 2022 Epoxide ring opening reactions are important in both biological processes and synthetic applications. Here, the authors show that flavin cofactors can catalyze reductive and oxidative epoxide ring opening reactions and propose the underlying mechanisms.
Bidhan Chandra De +13 more
doaj +1 more source
Conditions to Control Furan Ring Opening during Furfuryl Alcohol Polymerization
Molecules, 2022 The chemistry of biomass-derived furans is particularly sensitive to ring openings. These side reactions occur during furfuryl alcohol polymerization.
Lucie Quinquet +2 more
doaj +1 more source
Oxetanes: Recent Advances in Synthesis, Reactivity and Medicinal Chemistry [PDF]
, 2016 The 4-membered oxetane ring has been increasingly exploited for its behaviors, i.e. influence on physicochemical properties as a stable motif in medicinal chemistry, and propensity to undergo ring opening reactions as a synthetic intermediate.
Bull, JA +4 more
core +1 more source