Browsing by Subject "Chemical reactions"
Now showing items 1-13 of 13
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1,3-diphenylbenzo[e][1,2,4]triazin-7(1H)-one: Selected chemistry at the C-6, C-7 and C-8 positions
(2011)1,3-Diphenylbenzo[e][1,2,4]triazin-7(1H)-one (6) reacts with tetracyanoethylene (TCNE) or tetracyanoethylene oxide (TCNEO) to give the deep green 2-[1,3-diphenylbenzo[e][1,2,4]triazin-7(1H)-ylidene]propanedinitrile (11) ...
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Article
Diol-type ligands as central 'players' in the chemistry of high-spin molecules and single-molecule magnets
(2008)The combination of diol-type ligands with paramagnetic transition metal ions has led to the isolation of a host of new homometallic and heterometallic clusters, high-spin molecules and single molecule magnets ranging in ...
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Hydrophilic, cationic large-core star polymers and polymer networks: Synthesis and physicochemical characterization
(2008)Group transfer polymerization was used to prepare hydrophilic, cationic large-core star polymers (LCSPs) and networks of 2-(dimethylamino)ethyl methacrylate (DMAEMA) and ethylene glycol dimethacrylate (EGDMA) in a two-step ...
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In situ observation of rapid reactions in nanoscale Ni-Al multilayer foils using synchrotron radiation
(2010)The observation of rapid reactions in nanoscale multilayers present challenges that require sophisticated analysis methods. We present high-resolution in situ x-ray diffraction analysis of reactions in nanoscale foils of ...
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Article
Monolayers, bilayers and micelles of zwitterionic lipids as model systems for the study of specific anion effects
(2007)This work is a review of the effect of different monovalent anions (belonging to the Hofmeister series) on a single model amphiphile, phosphatidylcholine molecules in contact with water, in three different geometries, ...
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Article
Numerical modeling of self-propagating reactions in Ru/Al nanoscale multilayer foils
(2015)The Ru/Al system integrates high energy density and high product ductility and serves as an alternative for utilization as nanoscale reactive multilayer. We present a modeling study that relates the Ru-Al phase transformations ...
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Poly(ethylene glycol)-based amphiphilic model conetworks: Synthesis by RAFT polymerization and characterization
(2008)Polyethylene glycol) (PEG)-containing quasi-model amphiphilic polymer conetworks (APCNs) were prepared by reversible addition fragmentation chain transfer (RAFT) polymerization using α,ω-bis(2-cyanoprop-2-yl dithiobenzoate)-PEG ...
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Synthesis and characterization of amphiphilic cationic symmetrical ABCBA pentablock terpolymer networks: Effect of hydrophobic content
(2008)Group transfer polymerization was employed for the preparation of six amphiphilic terpolymer networks comprising the hydrophilic, pH-responsive 2-(dime-thylamino)ethyl methacrylate (DMAEMA), the neutral hydrophilic methoxy ...
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Synthesis and characterization of polymer networks and star polymers containing a novel, hydrolyzable acetal-based dimethacrylate cross-linker
(2006)An acid-labile dimethacrylate acetal cross-linker, di(methacryloyloxy-1-ethoxy)methane (DMOEM), was synthesized by the reaction of 2-hydroxyethyl methacrylate and paraformaldehyde using p-toluenesulfonic acid and toluene ...
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Synthesis and characterization of shell-cross-linked polymer networks and large-core star polymers: Effect of the volume of the cross-linking mixture
(2009)Group transfer polymerization and sequential addition of monomer and cross-linker were employed for the preparation of two new polymer structures, one of a polymer network and the other of a star polymer. The synthesis was ...
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Article
Synthesis and characterization of well-defined block and statistical copolymers based on lauryl methacrylate and 2-(acetoacetoxy)ethyl methacrylate using RAFT-controlled radical polymerization
(2008)Four well-defined diblock copolymers and one statistical copolymer based on lauryl methacrylate (LauMA) and 2-(acetoacetoxy)ethyl methacrylate (AEMA) were prepared using reversible addition-fragmentation chain transfer ...
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Article
Synthesis of 7-aryl/heteraryl-1,3-diphenyl-1,2,4-benzotriazinyls via palladium catalyzed Stille and Suzuki-Miyaura reactions
(2011)Stille and Suzuki-Miyaura reactions of 7-iodo-1,3-diphenyl-1,4-dihydro-1,2, 4-benzotriazin-4-yl are presented as rare examples of cross-coupling reactions with stable organic radicals. Both the Stille and Suzuki-Miyaura ...
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Well-defined networks with precisely located cleavable sites: Structure optimization and core functionality determination
(2008)A study was conducted to determine the core functionality of well-defined covalent polymer networks with precisely located cleavable sites. Covalent polymer networks consists of chemically interconnected polymer chains ...