@article { ISI:000230389700019,
	title = {Bis(2-[alpha-hydroxyethyl]benzimidazolato)copper(II) anchored onto chloromethylated polystyrene for the biomimetic oxidative coupling of 2-aminophenol to 2-aminophenoxazine-3-one},
	journal = {Journal of Molecular Catalysis A - Chemical},
	volume = {236},
	number = {1-2},
	year = {2005},
	month = {JUL},
	pages = {132-138},
	publisher = {ELSEVIER SCIENCE BV},
	type = {Article},
	address = {PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS},
	abstract = {<p>2-(alpha-Hydroxyethyl)benzimidazole (Hhebmz) has been covalently anchored to chloromethylated polystyrene cross-linked with 5\% divinylbenzene. This polymer-anchored chelating resin reacts with cupric acetate in presence of Hhebmz to give polymer-anchored copper(II) complex PS-[Cu(hebmz)(2)]. Elemental analyses, FT-IR, electronic, scanning electron micrographs (SEM) and TGA-DTA pattern have been used to characterize the complex. Oxidative coupling of 2-aminophenol (OAP) to 2-aminophenoxazine-3-one (APX) catalyzed by PS-[Cu(hebmz)(2)] in presence of air at 70 degrees C in DMF gave 62\% substrate conversion over a period of 8 h. Kinetics of the above reaction indicated that the rate of oxidative coupling of OAP has a first order dependence with respect to substrate, catalyst and air pressure (dissolved O-2) concentrations in the range of conditions evaluated. Based on these observations, a plausible mechanism for the above reaction has been proposed. From, the study on the effect of temperature on the rates of oxidative coupling, an activation energy 34.2 kcal/degree mole was evaluated from Arrhenius plot of -ln rate versus 1/T. Enthalpy, entropy and free energy were calculated using standard thermodynamic equations for the above reaction. (c) 2005 Elsevier B.V. All rights reserved.</p>},
	keywords = {2-aminophenol, 2-aminophenoxazine-3-one, bis(2-[alpha-hydroxyethyl]benzimidazolato)copper(II), chloromethylated polystyrene, oxidative coupling},
	issn = {1381-1169},
	doi = {10.1016/j.molcata.2005.02.034},
	author = {Maurya, Mannar R. and Sikarwar, S. and Joseph, Trissa and Halligudi, Shivappa B.}
}
@article { ISI:000228779100008,
	title = {Synthesis, characterization and catalytic potentials of polymer anchored copper(II), oxovanadium(IV) and dioxomolybdenum(VI) complexes of 2-(alpha-hydroxymethyl)benzimidazole},
	journal = {Reactive \& Functional Polymers},
	volume = {63},
	number = {1},
	year = {2005},
	month = {MAR},
	pages = {71-83},
	publisher = {ELSEVIER SCIENCE BV},
	type = {Article},
	address = {PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS},
	abstract = {<p>{2-(alpha-Hydroxymethyl)benzimidazole (Hhmbmz) has been covalently anchored to chloromethylated polystyrene cross-linked with 5\% divinylbenzene. This chelating resin reacts with cupric acetate, vanadyl sulphate and [MoO(2)-(acac)(2)] (Hacac = acetylacetone) in presence of Hhmbmz to give complexes PS-[Cu(hmbmz)(2)], PS-[VO(hmbmz)(2)] and PS-[MoO(2)(hmbmz)(2)] (where</p>},
	keywords = {2-(alpha-hydroxymethyl)benzimidazole, oxidation of styrene and ethyl benzene, oxidative bromination of salicylaldehyde, polymer anchored-complexes},
	issn = {1381-5148},
	doi = {10.1016/j.reactfunctpolym.2005.02.008},
	author = {Maurya, Mannar R. and Sikarwar, S. and Joseph, Trissa and Manikandan, Palanichamy and Halligudi, Shivappa B.}
}
