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Our research interests have been focused on the design of new monomeric and polymeric materials using organoiron complexes as precursors. Cyclopentadienyliron chloroarene complexes were used to mediate the synthesis of sulfide contg. compds. These compds. were designed with various arom. and aliph. ...
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Potassium fluoride - Celite has been found to be an effective heterogeneous catalyst in arylation of 1,3-dicarbonyl compounds with substituted arenes activated by π-complexation with the ironcyclopentadienyl moiety.
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Abstract: Laser flash photolysis with time-resolved infrared detection of transients (LFP-TRIR) has been used to study the IR spectroscopy and reactivity of a number of substituted ketenes, prepared by the 308-nm photolysis of -diazocarbonyl precursors in acetonitrile solution at room temperature. T...
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The synthesis of cationic organoiron polymers with azobenzene moieties in their side chains has been accomplished via nucleophilic aromatic substitution and ring-opening metathesis polymerization (ROMP) reactions. Polyaromatic ethers and thioethers with azobenzene moieties in their side chains were ...
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A series of star-shaped macromolecules bearing distinct symmetrical branches with alternating organoiron complexes and azobenzene moieties were synthesized using both convergent and divergent approaches. The various azo dye and organoiron-containing branches were reacted with multifunctional cores v...
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There has been tremendous interest in organoiron macromols. This interest stems from their application as chem. sensors, electrocatalysts, modified electrodes and photo-active mol. devices. Herein, we report the synthesis and characterization of a no. of different classes of organoiron macromols. co...
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A review. This chapter discusses the synthesis, structures, selected properties, and uses of polymers that have metal-metal bonds incorporated into their backbone chains. These materials are of interest for a no. of reasons. The primary reason is the promise of new and unusual properties. In particu...
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A novel series of functionalized thiophenes incorporating coumarin, pyrene and naphthalene pendants were synthesized by Steglich esterification in the presence of DCC/DMAP (dicyclohexylcarbodiimide/N,N-dimethylaminopyridine) and the synthesized monomers were electrochemically deposited onto glassy c...
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The sterols of Bugula neritina have been isolated and characterized spectroscopically. Cholesterol was found to be the predominant sterol with C28, C29, and C30 sterols recovered as minor components. In vivo biosynthetic experiments revealed that cholesterol is the only sterol produced by de novo bi...
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Marine diterpene glycosides (MDGs) respresent a small but highly significant group of the much larger class of marine diterpenes. The three well-studied examples of MDGs are eleutherobins, pseudopterosins and fuscosides, all of which exhibit extremely promising biological activity. The eleutherobins...
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Abstract: The molecular-recognition properties of the cucurbit[6]uril analogue (1) in aqueous buffer (sodium acetate, 50 mM, pH 4.74, 25 C) toward a variety of guests including alkanediamines (6-12), aromatics (14-32), amino acids (33-36), and nucleobases (37-42) were studied by fluorescence spectro...
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