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Journal of the Brazilian Chemical Society
On-line version ISSN 1678-4790


Table of contents
J. Braz. Chem. Soc. vol.16 no.4 São Paulo July/Aug. 2005

Pinto, Angelo C.; Andrade, Jailson B. de

 ·  Isobutane/2-butene alkylation with zeolite Y without BrÆnsted acidity
Rosenbach Jr, Nilton; Mota, Claudio J. A.

 ·  Trichloroisocyanuric acid in H2SO4: an efficient superelectrophilic reagent for chlorination of isatin and benzene derivatives
Mendonça, Gabriela Fonseca; Magalhães, Rejane Ramos; Mattos, Marcio C. S. de; Esteves, Pierre M.

 ·  Antioxidant therapy: myth or reality?
Núñez-Sellés, Alberto J.

 ·  Electrochemical and spectroscopic study of 4-(Phenyldiazenyl)-2-{[tris-(hydroxymethyl)methyl] aminomethylene}cyclohexa-3,5-dien-1(2H)-one: mechanism of the azo and imine electroreduction
Çakir, Semiha; Biçer, Ender; Odabasoglu, Mustafa; Albayrak, Çigdem

 ·  Four new metal complexes with the amino acid deoxyalliin
Massabni, Antonio C.; Corbi, Pedro P.; Melnikov, Petr; Zacharias, Marisa A.; Rechenberg, Hercílio R.

 ·  HPLC method to assay total saponins in Ilex paraguariensis aqueous extract
Gnoatto, Simone C.B.; Schenkel, Eloir P.; Bassani, Valquiria L.

 ·  Field sampling system for determination of cadmium and nickel in fresh water by flame atomic absorption spectrometry
Santos, Walter N. L. dos; Santos, Carla M. dos; Ferreira, Sérgio L. C.

 ·  Electrochemical and electrochromic properties of poly(4,4" dimethoxy 3'-methyl 2,2':5',2" terthiophene)
Dias, Bruna L.; Girotto, Emerson M.; Matos, Roberto de; Santos, Marcos J. L.; De Paoli, Marco-A.; Gazotti, Wilson A.

 ·  Synthesis of (±)-kigelin
Saeed, Aamer; Ehsan, Somia

 ·  Determination of fenitrothion in commercial formulations by square wave voltammetry and UV-Vis spectroscopy
Zelayaran Melgar, L.; Machado, S. A. S.

 ·  Chemical transformations of eremanthine: synthesis of micheliolide and 1(R),10(R)-dihydromicheliolide
Alves, José C. F.; Fantini, Edna C.

 ·  Evaluation of the anticorrosive properties of environmental friendly inorganic corrosion inhibitors pigments
Leite, Adriana O. S.; Araújo, Walney S.; Margarit, Isabel C.P.; Correia, Adriana N.; Lima-Neto, Pedro de

 ·  Preparation and evaluation of a coumarin library towards the inhibitory activity of the enzyme gGAPDH from Trypanosoma cruzi
Alvim Jr., Joel; Dias, Ricardo L. A.; Castilho, Marcelo S.; Oliva, Glaucius; Corrêa, Arlene G.

 ·  Voltammetric behavior of nitrofurazone and its hydroxymethyl prodrug with potential anti-Chagas activity
La-Scalea, Mauro Aquiles; Menezes, Carla Maria de Souza; Julião, Murilo Sérgio da Silva; Chung, Man Chin; Serrano, Sílvia Helena Pires; Ferreira, Elizabeth Igne

 ·  Synthesis, characterization and biological activity of symmetric dinuclear complexes derived from a novel macrocyclic compartmental ligand
Mruthyunjayaswamy, B.H.M.; Ijare, Omkar B.; Jadegoud, Y.

 ·  Structural impact of hydroxyvalerate in polyhydroxyalkanoates (PHAscl) dense film monitored by XPS and photothermal methods
Silva, Marcelo G. da; Vargas, Helion; Poley, Luiz H.; Rodriguez, Ruben S.; Baptista, Gilson B.

 ·  Synthesis, X-ray crystal structure and thermal decomposition mechanism of [Zn(MCZ)3](NO3)2·H2O (MCZ=Methyl Carbazate)
Ma, Guixia; Zhang, Tonglai; Yu, Kaibei

 ·  Determination of Cd, Pb and Ni by square wave stripping voltammetry in particulate matter collected in workplace atmosphere of some Brazilian industrial foundries
Felix, Fabiana S.; Lichtig, Jaim; Santos, Luciana B.O. dos; Masini, Jorge C.

 ·  Solid-Phase purification of deoxyguanosine-benzo[a]pyrene diol epoxide adducts from genomic DNA adduct synthesis
Formenton-Catai, Ana Paula; Machado, Rosecler Pereira; Lanças, Fernando M.; Carrilho, Emanuel

 ·  Adsorption of phosphoric acid on niobium oxide coated cellulose fiber: preparation, characterization and ion exchange property
Pavan, Flávio A.; Francisco, Maria Suzana P.; Landers, Richard; Gushikem, Yoshitaka

 ·  Simple and practicable methods for the determination of astemizole in pharmaceuticals using bromate-bromide and two dyes
Nagegowda, Paregowda; Basavaiah, Kanakapura

 ·  Comparative study of structure: activity relationship of di and triorganotin (IV) complexes of monomethyl glutarate
Rehman, Wajid; Baloch, Musa Kaleem; Badshah, Amin

 ·  Catalytic activity of halogenated iron porphyrins in alkene and alkane oxidations by iodosylbenzene and hydrogen peroxide
Guedes, André Aparecido; Smith, John R. L.; Nascimento, Otaciro R.; Guedes, Débora F. Costa; Assis, Marilda das Dores

 ·  Hydrogen bonds between pyrazine and HX linear acids (X = F, NC, CN and CCH): a theoretical study
Silva, João Bosco P. da; Silva Junior, Mário R.; Ramos, Mozart N.

 ·  Microwave accelerated solvent-free synthesis of flavanones
Sagrera, Gabriel J.; Seoane, Gustavo A.

 Short Reports
 ·  Clean and atom-economic synthesis of a-phenylselenoacrylonitriles and a-phenylseleno- a,b-unsaturated esters by knoevenagel reaction under solvent-free conditions
Perin, Gelson; Jacob, Raquel G.; Botteselle, Giancarlo V.; Kublik, Emerson L.; Lenardão, Eder J.; Cella, Rodrigo; Santos, Paulo César Silva dos

 ·  Lanostane triterpenes from the fungus Pisolithus tinctorius
Zamuner, M. Lucília M.; Cortez, Diógenes A. G.; Dias Filho, Benedito P.; Lima, M. Inês S.; Rodrigues-Filho, Edson

 ·  Regiospecific synthesis of new non-condensed heteropolycyclic systems from b-heteroaryl-b-methoxyvinyl trihalomethyl ketones
Bonacorso, Helio G.; Oliveira, Marlí R.; Costa, Michelle B.; Silva, Letícia B. da; Zanatta, Nilo; Martins, Marcos A. P.; Flores, Alex F. C.

 ·  Facile regeneration of carbonyl compounds from oximes under microwave irradiations using N-bromophthalimide
Khazaei, Ardeshir; Manesh, Abbas Amini

 ·  Al(HSO4)3 as an efficient catalyst for acetalization of carbonyl compounds under heterogeneous or solvent -free conditions
Mirjalili, BiBi Fatemeh; Zolfigol, Mohammad Ali; Bamoniri, Abdolhamid; Hazar, Azizeh

 ·  Short synthesis of new 13,16-diazaestrone and 13,16-diazaequilenin analogs
Parihar, J. A.; Ramana, M. M. V.

 ·  Studies on the dehydroiodination of cyclic b-iodo-enol ethers
Ferraz, Helena M. C.; Sano, Myrian K.; Bombonato, Fernanda I.; Nunes, Marta R. S.