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Cyclopentadienyliron coordinated chloroarenes were utilized to synthesize novel classes of cationic organoiron methacrylate and styrene monomers via metal-mediated nucleophilic aromatic substitution reactions. These monomers were subsequently polymerized using a radical initiator to produce the corr...
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Osteoarthritis is one of the most common disorders presented to the primary care physician in the over 50 years age group in the Kingdom of Saudi Arabia. The diagnosis is made by history, typical x-ray findings and non-contributory laboratory investigations. The understanding of the pathogenesis of ...
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Reaction of adamantylidene and phenylcarbene with ethylthiol, ethylene dithiol, allylethylsulfide, allylphenylsulfide, and trimethylenesulfide involves the formation of a sulfur ylide intermediate, followed by H-migration, 2,3-sigmatropic shift, or ring opening to give sulfides. The sulfur ylide for...
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A no. of sol. organometallic polymers with pendent cyclopentadienyliron and pentamethylcyclopentadienylruthenium moieties were prepd. under mild exptl. conditions. These polyarom. materials contained ether, thioether and amine bridges. These polymeric materials were characterized using NMR, GPC and ...
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The reactivity of the azidyl radical (N-3(.)) With olefins has been studied in acetonitrile solution using time-resolved UV-vis and infrared (TRIR) laser flash photolysis techniques. Azidyl radicals, formed by electron transfer from azide to excited state ketones, combine with excess azide in aceton...
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A review. This article provides a comprehensive review of the synthesis, properties and applications of organometallic polymers of the transition metals. The different classes of organometallic polymers are described according to their structural make-up, as well as by their methods of synthesis. A ...
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A general approach for the encapsulation of a variety of saturated polymers between the layers of MoS2 giving electrically conductive lamellar compounds is reported.
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A no. of substituted arene cyclopentadienyliron complexes were reacted with phenolphthalein in the presence of potassium carbonate using DMF as a solvent to prep. di-iron complexes as shown in the following scheme. Subsequent reaction with n-butylamine resulted in an unprecedented cleavage of the et...
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The synthesis of novel fully protected guanidinium linked dinucleoside for incorporation into oligonucleotide using solid-phase DNA synthesis methodology was developed. The three different protecting groups selected allow different deprotection conditions. (C) 1998 Elsevier Science Ltd. All rights r...
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Polarographic half-wave potentials for two reduction steps of 49 cyclopentadienyliron complexes of substituted arenes or heterocycles in dimethylformamide were determined. A fast cyclic voltammetry (10–40 V/s) was used to study the electron transfer kinetics of some of these complexes. After corre...
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We recently reported that the biosynthesis of fuscol, a diterpene from the octocoral Eunicea fusca, is inducible by the application of plant signaling factors such as salicylic acid to the coral's algal symbiont. In this study, an mRNA differential display approach has been employed with the di...
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Arom. ether complexes of cyclopentadienyliron contg. pendent carboxylic acid groups were reacted with methacrylate and styrene functionalized mols. These diiron complexes were subsequently polymd. in the presence of AIBN to give the corresponding polymethacrylates and polystyrenes with organoiron fu...
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Solvent effects on the discriminatory properties of the transient [Fe(CN)5]3? intermediate in the dissociative (D) substitution at the complex ions [Fe(CN)5L]3?(L = 3- or 4-cyanopyridine) are described. The solvents employed are methanol?, ethanol?,...
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The organometallic polymers ([Ag(dmb)(2)]BF(4))(n) (dmb = 1,8-diisocyano-p-menthane) and ([Pt(2)(dppm)(2)(CNC(6)Me(4)NC)](BF(4))(2))(n) (dppm = (Ph(2)P)(2)CH(2), CNC(6)Me(4)NC = 1,4-diisocyano-tetramethylbenzene) were reacted with the conjugated organic polymers of the type (-Cz-C(6)H(4)-)(n) and (-...