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1. A Tribute to Prof. Edmundo A. Rúveda (RR-477CT)
Manuel González Sierra
DOI: https://doi.org/10.3998/ark.5550190.0004.a01
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pp. 1 - 6
accepted Jan 1 2003; published Jan 1 2003;
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2. A Tribute to Prof. Roberto A. Rossi (RR-478CT)
A. B. Pierini
DOI: https://doi.org/10.3998/ark.5550190.0004.a02
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pp. 7 - 15
accepted Feb 20 2003; published Mar 18 2003;
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3. Easy access to cis-1,3-disubstituted cyclopentane 1,4-diphosphines (RR-626CP)
Pelayo Camps, Gisela Colet and Santiago Vázquez
DOI: https://doi.org/10.3998/ark.5550190.0004.a03
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pp. 16 - 23
received Dec 19 2002; accepted Mar 7 2003; published Mar 24 2003;
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4. Tautomerism of lactones and related compounds. Mass spectrometric data and theoretical calculations (RR-648CP)
Patricia E. Allegretti, M. Susana Cortizo, Celia Guzmán, Eduardo A. Castro and Jorge J. P. Furlong
DOI: https://doi.org/10.3998/ark.5550190.0004.a04
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pp. 24 - 31
received Jan 12 2003; accepted Mar 6 2003; published Apr 11 2003;
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5. Efficient and simple one-pot conversion of resin-bound N-Fmoc amino acids and dipeptides into N-Boc derivatives (RR-691CP)
Ricardo L. E. Furlán and Ernesto G. Mata
DOI: https://doi.org/10.3998/ark.5550190.0004.a05
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pp. 32 - 40
received Feb 15 2003; accepted Apr 10 2003; published Apr 25 2003;
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6. Uronium salts from polymeric N-hydroxysuccinimide (P-HOSu) as new solid-supported peptide coupling reagents (RR-758CP)
Rafael Chinchilla, David J. Dodsworth, Carmen Nájera, José M. Soriano and Miguel Yus
DOI: https://doi.org/10.3998/ark.5550190.0004.a06
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pp. 41 - 47
received May 9 2003; accepted Jun 26 2003; published Jul 13 2003;
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7. Triplet state dynamics within cyclodextrin solid complexes (RR-767CP)
Mónica Barra, Christine DeVisser, Angela M. Swartz and Christiana Zaharia
DOI: https://doi.org/10.3998/ark.5550190.0004.a07
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pp. 48 - 58
received May 23 2003; accepted Jul 9 2003; published Jul 13 2003;
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8. Nitroalkane anomaly: computational study with cluster and continuum modeling (RR-792CP)
Hiroshi Yamataka and Salai Cheettu Ammal
DOI: https://doi.org/10.3998/ark.5550190.0004.a08
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pp. 59 - 68
received Jun 3 2003; accepted Jul 18 2003; published Jul 23 2003;
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9. Cyclocondensation reactions of racemic and prochiral γ-oxo-acid derivatives with (R)-phenylglycinol (RR-801CP)
Mercedes Amat, Viviana Ponzo, Núria Llor, Oriol Bassas, Carmen Escolano and Joan Bosch
DOI: https://doi.org/10.3998/ark.5550190.0004.a09
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pp. 69 - 81
received Jun 6 2003; accepted Jul 22 2003; published Jul 25 2003;
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10. Synthesis of 2,3-di-O-(β-D-Galp)-D-Galp, a synthon for the mucin oligosaccharides of Trypanosoma cruzi (RR-803CP)
Verónica M. Mendoza, Carola Gallo-Rodriguez and Rosa M. de Lederkremer
DOI: https://doi.org/10.3998/ark.5550190.0004.a10
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pp. 82 - 94
received Jun 10 2003; accepted Jul 22 2003; published Jul 25 2003;
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11. Unusual solvent effects in the reactions of 1-halo-2,4-dinitrobenzenes and aniline in aprotic and dipolar-aprotic solvents. Effects of aggregates (RR-812CP)
Cecilia E. Silvana Alvaro and Norma Sbarbati Nudelman
DOI: https://doi.org/10.3998/ark.5550190.0004.a11
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pp. 95 - 106
received Jun 23 2003; accepted Aug 5 2003; published Aug 7 2003;
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12. New polyhydroxylated steroids from the marine pulmonate Trimusculus peruvianus (RR-815CP)
Ana R. Díaz-Marrero, Enrique Dorta, Mercedes Cueto, Juana Rovirosa, Aurelio San-Martín, Alberto Loyola and José Darias
DOI: https://doi.org/10.3998/ark.5550190.0004.a12
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pp. 107 - 117
received Jun 27 2003; accepted Aug 12 2003; published Aug 15 2003;
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13. Enantioselective approach to the asymmetric synthesis of (6R)-hydroxymethyl-5,6-dihydro-2H-pyran-2-one. A formal synthesis of (R)-argentilactone and total synthesis of (R)-goniothalamin (RR-820CP)
Ângelo de Fátima and Ronaldo A. Pilli
DOI: https://doi.org/10.3998/ark.5550190.0004.a13
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pp. 118 - 126
received Jun 30 2003; accepted Aug 14 2003; published Aug 19 2003;
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14. Mechanism of phthalate ester hydrolysis in water and in cyclodextrin mediated reactions (RR-821CP)
Gabriel O. Andrés and Rita H. de Rossi
DOI: https://doi.org/10.3998/ark.5550190.0004.a14
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pp. 127 - 138
received Jul 8 2003; accepted Aug 12 2003; published Aug 19 2003;
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15. The SRN1 reactions of 1,8-diiodonaphthalene (RR-819CP)
Robert K. Norris and James A. McMahon
DOI: https://doi.org/10.3998/ark.5550190.0004.a15
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pp. 139 - 155
received Jul 1 2003; accepted Aug 16 2003; published Aug 19 2003;
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16. Synthesis of new aldehyde derivatives from β-lapachone and nor-β-lapachone (RR-809CP)
Milton N. da Silva, Maria C. B. V. da Souza, Vitor F. Ferreira, Antonio V. Pinto, Maria do Carmo R. F. Pinto, Solange M. S. V. Wardell and James L. Wardell
DOI: https://doi.org/10.3998/ark.5550190.0004.a16
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pp. 156 - 168
received Jun 18 2003; accepted Aug 21 2003; published Aug 22 2003;
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17. Regioselective oxidative fragmentation of drimanic terpene alcohols: a short, easy and efficient access to natural and synthetic 11-nordrimane terpene derivatives (RR-826CP)
Mauricio A. Cuellar, Luis E. Moreno and Marcelo D. Preite
DOI: https://doi.org/10.3998/ark.5550190.0004.a17
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pp. 169 - 177
received Jul 8 2003; accepted Aug 22 2003; published Aug 26 2003;
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18. Synthesis of a tricyclic lactone embodying the ABC-ring system of stephaoxocanidine, by tin(IV) chloride-assisted sulfonamidoacetal cyclization and an aromatization promoted by triethylamine (RR-818CP)
Darío A. Bianchi and Teodoro S. Kaufman
DOI: https://doi.org/10.3998/ark.5550190.0004.a18
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pp. 178 - 188
received Jun 30 2003; accepted Aug 25 2003; published Aug 26 2003;
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19. Kinetics and mechanism for the reaction of 1-chloro-2,4-dinitrobenzene with n-butylamine and piperidine in AOT/n-hexane/water reverse micelles (RR-824CP)
Lilian Zingaretti, Liliana Boscatto, Stella M. Chiacchiera and Juana J. Silber
DOI: https://doi.org/10.3998/ark.5550190.0004.a19
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pp. 189 - 200
received Jul 8 2003; accepted Sep 2 2003; published Sep 5 2003;
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20. L-Glutamic acid and L-alanine derivatives as building blocks for the synthesis of a chiral monomer precursor of AABB-type polyamide (RR-828CP)
Romina V. Gómez, Hernán A. Orgueira and Oscar Varela
DOI: https://doi.org/10.3998/ark.5550190.0004.a20
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pp. 201 - 208
received Jul 10 2003; accepted Sep 2 2003; published Sep 5 2003;
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21. Structure of 3(5)-[(4-diphenylphosphinoyl)phenyl]pyrazole in the solid state (X-ray and CPMAS NMR) and in solution (NMR): Tautomerism and hydrogen bonds (RR-817CP)
Rosa M. Claramunt, Concepción López, José Elguero, Arnold L. Rheingold, Lev N. Zakharov and Swiatoslaw Trofimenko
DOI: https://doi.org/10.3998/ark.5550190.0004.a21
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pp. 209 - 219
received Jun 30 2003; accepted Sep 3 2003; published Sep 9 2003;
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22. The first example of a highly non-symmetric ozonolysis of a sugar derived norbornene system (RR-854CP)
Sebastián A. Testero, Rolando A. Spanevello and Rakesh Kohli
DOI: https://doi.org/10.3998/ark.5550190.0004.a22
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pp. 220 - 226
received Jul 31 2003; accepted Sep 9 2003; published Sep 24 2003;
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23. Synthesis of meso-substituted cationic porphyrins as potential photodynamic agents (RR-852CP)
Débora Lazzeri and Edgardo N. Durantini
DOI: https://doi.org/10.3998/ark.5550190.0004.a23
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pp. 227 - 239
received Jul 4 2003; accepted Sep 15 2003; published Sep 24 2003;
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24. High 1,4-syn-induction in the addition of chiral allyltrichlorostannanes to chiral aldehydes (RR-863CP)
Luiz C. Dias, Rosana Giacomini, Paulo R. R. Meira, Edílson Ferreira, Andréa A. Ferreira, Gaspar Diaz, Débora R. dos Santos and Leonardo J. Steil
DOI: https://doi.org/10.3998/ark.5550190.0004.a24
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pp. 240 - 261
received Aug 9 2003; accepted Sep 18 2003; published Sep 24 2003;
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25. Flash vacuum pyrolysis of azolyl-malonamates. Synthesis of 5-hydroxy-azolopyrimidin-7-ones (RR-822CP)
Walter J. Pelßez, Ioulia T. Gafarova and Gloria I. Yranzo
DOI: https://doi.org/10.3998/ark.5550190.0004.a25
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pp. 262 - 272
received Jul 9 2003; accepted Sep 9 2003; published Sep 24 2003;
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26. Synthesis of new 6-halogeno-imidazo[1,2-a]pyridines by SRN1 reactions (RR-833CP)
Maxime D. Crozet, Caroline Castera, Mustapha Kaafarani, Michel P. Crozet and Patrice Vanelle
DOI: https://doi.org/10.3998/ark.5550190.0004.a26
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pp. 273 - 282
received Jul 16 2003; accepted Sep 23 2003; published Sep 26 2003;
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27. Synthesis of 1-ethyl-2-methyl-3-arylindanes. Stereochemistry of five-membered ring formation (RR-829CP)
Elba Alesso, Rosario Torviso, Beatriz Lantaño, Magali Erlich, Liliana M. Finkielsztein, Graciela Moltrasio, José M. Aguirre and Ernesto Brunet
DOI: https://doi.org/10.3998/ark.5550190.0004.a27
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pp. 283 - 297
received Jul 14 2003; accepted Sep 23 2003; published Sep 29 2003;
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28. Synthesis and biological evaluation of glutathione-like tripeptides against Trypanosoma cruzi (RR-866CP)
Esteban L. Ravaschino, Roberto Docampo and Juan B. Rodriguez
DOI: https://doi.org/10.3998/ark.5550190.0004.a28
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pp. 298 - 313
received Aug 14 2003; accepted Sep 23 2003; published Sep 29 2003;
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29. Synthesis of ambergris odorant ent-ambrox (RR-838CP)
Rosana A. Giacomini, Paulo C. M. de L. Miranda, Lúcia H. B. Baptistella and Paulo M. Imamura
DOI: https://doi.org/10.3998/ark.5550190.0004.a29
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pp. 314 - 322
received Jul 8 2003; accepted Sep 27 2003; published Sep 29 2003;
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30. Metal carbonyl anions as model metal-centered nucleophiles in aromatic and vinylic substitution reactions (RR-839CP)
Petr K. Sazonov, Vasyli A. Ivushkin, Galina A. Artamkina and Irina P. Beletskaya
DOI: https://doi.org/10.3998/ark.5550190.0004.a30
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pp. 323 - 334
received Jul 21 2003; accepted Sep 27 2003; published Oct 2 2003;
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31. Stereoselective addition of organotin anions to R-(+)-pulegone: a route to 8-triorganostannylmenthols (RR-885CP)
Verónica I. Dodero, Nelda N. Giagante, Sandra D. Mandolesi, Adriana E. Zúñiga and Julio C. Podestá
DOI: https://doi.org/10.3998/ark.5550190.0004.a31
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pp. 335 - 346
received Aug 29 2003; accepted Sep 27 2003; published Oct 2 2003;
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32. Bioactive new bitter-tasting p-hydroxystyrene glycoside and other constituents from the fern Elaphoglossum spathulatum (RR-888CP)
Cecilia Socolsky, Analía Salvatore, Yoshinori Asakawa and Alicia Bardón
DOI: https://doi.org/10.3998/ark.5550190.0004.a32
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pp. 347 - 355
received Aug 29 2003; accepted Sep 27 2003; published Oct 2 2003;
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33. Quantitative chemo-biology: A chemical paradigm to understand biological phenomena (RR-864CP)
Otto R. Gottlieb and Maria Renata de M. B. Borin
DOI: https://doi.org/10.3998/ark.5550190.0004.a33
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pp. 356 - 365
received Aug 9 2003; accepted Sep 30 2003; published Oct 4 2003;
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34. Electrostatic effects on the photoreactions of nitrophenyl ethers with nucleophiles (RR-874CP)
Jordi Marquet and Chiara Tomasi
DOI: https://doi.org/10.3998/ark.5550190.0004.a34
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pp. 366 - 372
received Aug 21 2003; accepted Sep 30 2003; published Oct 4 2003;
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35. Binary solvent mixtures: characterization of molecular environments through multiparametric empirical scales. Concerns about relationships between kinetic data and microscopic solvent properties (RR-831CP)
Pedro M. Mancini, Alexis Bock, Claudia Adam, Adriana del C. Pérez and Leonor R. Vottero
DOI: https://doi.org/10.3998/ark.5550190.0004.a35
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pp. 373 - 381
received Jul 17 2003; accepted Oct 8 2003; published Oct 10 2003;
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36. Elimination vs. substitution in the reaction of 3-stannyl esters and 3-stannyl nitriles with sodium tert-butoxide in DMSO (RR-887CP)
Alicia B. Chopa, Gustavo F. Silbestri, Mercedes A. Badajoz and Ana P. Murray
DOI: https://doi.org/10.3998/ark.5550190.0004.a36
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pp. 382 - 389
received Aug 29 2003; accepted Oct 8 2003; published Oct 10 2003;
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37. Synthesis of aryl pyrrolizidines from endocyclic enecarbamates. Novel applications of the Heck arylation of 3-pyrrolines using diazonium salts (RR-889CP)
Antonio C. B. Montes de Oca and Carlos Roque D. Correia
DOI: https://doi.org/10.3998/ark.5550190.0004.a37
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pp. 390 - 403
received Aug 30 2003; accepted Oct 8 2003; published Oct 12 2003;
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38. Bioreduction of α-haloacetophenones by Rhodotorula glutinis and Geotrichum candidum (RR-896CP)
Lucídio C. Fardelone, J. Augusto R. Rodrigues and Paulo J. S. Moran
DOI: https://doi.org/10.3998/ark.5550190.0004.a38
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pp. 404 - 410
received Aug 28 2003; accepted Oct 6 2003; published Oct 12 2003;
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39. Reactivity of sulfur centered nucleophiles in photoinduced reactions with 1-bromonaphthalene (RR-907CP)
Juan E. Argüello, Luciana C. Schmidt and Alicia B. Peñéñory
DOI: https://doi.org/10.3998/ark.5550190.0004.a39
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pp. 411 - 419
received Sep 6 2003; accepted Oct 10 2003; published Oct 12 2003;
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40. Steric effects in the synthesis of ortho-substituted 1,1'-binaphthalene derivatives by the SRN1 and the Stille reaction (RR-923CP)
María T. Baumgartner, Tomás C. Tempesti and Adriana B. Pierini
DOI: https://doi.org/10.3998/ark.5550190.0004.a40
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pp. 420 - 433
received Sep 17 2003; accepted Oct 12 2003; published Oct 16 2003;
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41. Synthesis of 1H-quinazoline-4-ones using intramolecular aromatic nucleophilic substitution (RR-881CP)
W. Russell Bowman, Harry Heaney and Philip H. G. Smith
DOI: https://doi.org/10.3998/ark.5550190.0004.a41
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pp. 434 - 442
received Aug 29 2003; accepted Oct 14 2003; published Oct 16 2003;
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42. The influence of protecting groups on the diastereoselectivity of catalytic heterogeneous hydrogenation of Baylis-Hillman adducts (RR-890CP)
Fernando Coelho, Wanda, P. Almeida, Cristiano R. Mateus, Leonardo D. Furtado and José Carlos F. Gouveia
DOI: https://doi.org/10.3998/ark.5550190.0004.a42
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pp. 443 - 467
received Aug 30 2003; accepted Oct 15 2003; published Oct 22 2003;
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43. Oxido-bridged neurosteroid analogues. Synthesis of 2,19-oxido-allopregnanolone (RR-895CP)
Silvina L. Eduardo, Alberto A. Ghini and Gerardo Burton
DOI: https://doi.org/10.3998/ark.5550190.0004.a43
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pp. 468 - 476
received Aug 28 2003; accepted Oct 15 2003; published Oct 22 2003;
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44. Electron transfer reactions to 1-adamantyl-, 1-norbornyl chlorides, and their oxo derivatives. A theoretical study (RR-914CP)
Adriana B. Pierini, Ana N. Santiago, Simón G. Allende and D. Mariano A. Vera
DOI: https://doi.org/10.3998/ark.5550190.0004.a44
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pp. 477 - 490
received Sep 10 2003; accepted Oct 21 2003; published Oct 30 2003;
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45. Deprotection of di-O-isopropylidene isocarbonucleosides (RR-842CP)
María F. Martínez Esperón, María I. Errea, Miriam A. Martins Alho and Norma B. D’Accorso
DOI: https://doi.org/10.3998/ark.5550190.0004.a45
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pp. 491 - 499
received Jul 24 2003; accepted Oct 22 2003; published Oct 30 2003;
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46. Regio- and enantioselective reduction of a α-methyleneketone by Rhodotorula glutinis (RR-946CP)
Gelson J. Andrade Conceição, Paulo J. S. Moran and J. Augusto R. Rodrigues
DOI: https://doi.org/10.3998/ark.5550190.0004.a46
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pp. 500 - 506
received Oct 12 2003; accepted Oct 24 2003; published Oct 30 2003;
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47. Mechanistic study of the hydrolysis of nitrocefin mediated by B.cereus metallo-β-lactamase (RR-848CP)
Rodolfo M. Rasia and Alejandro J. Vila
DOI: https://doi.org/10.3998/ark.5550190.0004.a47
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pp. 507 - 516
received Jul 28 2003; accepted Oct 22 2003; published Nov 30 2003;
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48. UV-Matrix-assisted laser desorption/ionization time-of-flight mass spectrometry analysis of synthetic polymers by using nor-harmane as matrix (RR-869CP)
Rosa Erra-Balsells and Hiroshi Nonami
DOI: https://doi.org/10.3998/ark.5550190.0004.a48
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pp. 517 - 537
received Aug 19 2003; accepted Nov 11 2003; published Nov 30 2003;
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49. On the Fenton degradation mechanism. The role of oxalic acid (RR-871CP)
Yamila Alegría, Fernando Liendo and Oswaldo Núñez
DOI: https://doi.org/10.3998/ark.5550190.0004.a49
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pp. 538 - 549
received Aug 19 2003; accepted Nov 12 2003; published Dec 4 2003;
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50. The transition-state acidity and carbonyl stretching frequency in ester hydrolysis. A substituent-effect approach (RR-879CP)
Julio F. Mata-Segreda
DOI: https://doi.org/10.3998/ark.5550190.0004.a50
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pp. 550 - 555
received Aug 27 2003; accepted Nov 12 2003; published Dec 4 2003;
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51. Diels-Alder reactions of vinylboranes: A computational study on the boron substituent effects (RR-903CP)
María A. Silva, Silvina C. Pellegrinet and Jonathan M. Goodman
DOI: https://doi.org/10.3998/ark.5550190.0004.a51
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pp. 556 - 565
received Sep 5 2003; accepted Nov 24 2003; published Dec 9 2003;
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52. Condensation reactions of a first generation of dendritic monomer (RR-909CP)
Alejandra Halabi, Pablo Froimowicz, Marisa Martinelli, Miriam C. Strumia and Bernabé L. Rivas
DOI: https://doi.org/10.3998/ark.5550190.0004.a52
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pp. 566 - 575
received Sep 7 2003; accepted Oct 24 2003; published Dec 21 2003;
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53. Synthesis of new chiral alkenyl Fischer carbene complexes (RR-944CP)
José Barluenga, Narendra Panday, Javier Santamaría, Ana de Prado and Miguel Tomás
DOI: https://doi.org/10.3998/ark.5550190.0004.a53
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pp. 576 - 583
received Oct 12 2003; accepted Dec 17 2003; published Dec 27 2003;
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