Publications

(53) Fu, J.; Barra, M. 2012, A computational study of the thermal cis-to-transisomerization of N-(phenylazo)-substituted nitrogen heterocycles, Trends Org. Chem., 16, 1-8.

(52) Barra, M.; VanVeller, B.; Verberne, C. 2011 , Absolute rate constants for 5-deazariboflavin triplet excited state in one-electron transfer processes, J. Photochem. Photobiol. A: Chem., 225, 113-6.

(51) Tabone, R.; Barra, M. 2011, Thermal cis-to-trans isomerization of triazene dyes in doped polymer films, Dyes Pigm., 88, 180-6. 

(50) Lim, H.; Zhang, H.; Barra, M. 2010, Spectrophotometric determination and linear free energy relationship analysis of acidity constants for 1,3-diphenyltriazenes, J. Chem. Eng. Data, 55, 4917-21.

(49) Xu, T.; Vaez-Zadeh Asadi, A.; Barra, M. 2010, Inhibition of acid-induced decomposition of diphenyltriazenes by complexation with cyclodextrins, Int. J. Chem. Kinet., 42, 567-74.

(48) Fu, J.; Lau, K.; Barra, M., 2009, Kinetic studies on the thermal cis-to-transisomerization of 1-phenyltriazenes derived from cyclic amines, J. Org. Chem., 74, 1770-3. / Erratum 

(47) Swartz, A. M.; Patton, V.; Heppleston, M. J.; Barra, M., 2008, On the photoreactivity of vitamin K compounds, Int. J. Chem. Kinet., 40, 389-44.

(46) Barra, M.; Lim, H., 2006, Structure-reactivity correlation study on the restricted rotation of cis-1,3-diphenyltriazenes, Trends Org. Chem., 11, 17-28.

(45) Barra, M.; Panic, O.; Chu, Y.; McGinty, M., 2006, Effect of host substitution on photochemical properties of pyrene/ß-cyclodextrin solid complexes, Supramol. Chem., 18, 615-9.

(44) Zhang, H.; Barra, M., 2005, Multiple-substituent effects on the isomerization of unsymmetrical cis-1,3-diphenyltriazenes, J. Phys. Org. Chem., 18, 498-503.

(43) Swartz, A. M.; Barra, M.; Kuntz, D., 2004, On the alcohol and water-catalyzed tautomerization of vitamins K1 and K2-derived quinone methide intermediates, J. Org. Chem., 69, 3198-201.

(42) Barra, M.; Srivastava, S.; Brockman, E., 2004, Substituent and solvent effects on the N(2)—N(3) hindered rotation of cis-1,3-diphenyltriazenes, J. Phys. Org. Chem., 17, 1057-60.

(41) Barra, M.; Tan, A.; Wong, S., 2004, Hydroxide-catalysed decomposition of benzoquinone-imine dyes, Dyes Pigm., 61, 63-67.

(40) Barra, M.; DeVisser, C.; Swartz, A. M.; Zaharia, C., 2003, Triplet state dynamics within cyclodextrin solid complexes, Arkivoc, 4, 48-58. 

(39) Chen, N.; Barra, M.; Lee, I.; Chahal, N., 2002, Substituent effects on the thermal cis-to-trans isomerization of 1,3-diphenyltriazenes in aqueous solutions, J. Org. Chem., 67, 2271-7.

(38) Barra, M.; Croll, L.M.; Tan, A.; Tao, W., 2002, Kinetic studies of the proton-catalysed hydrolytic decomposition of quinone-imine dyes, Dyes Pigm., 53, 137-42.

(37) Tao, W.; Barra, M., 2001, Inhibition of quinone-imine dye deamination by complexation with p-sulfonated calixarenes, J. Org. Chem., 66, 2158-60.

(36) Barra, M.; Nan, C., 2000, Kinetic studies on the thermal cis-trans isomerization of 1,3-diphenyltriazene in aqueous solution. Effects of acids and bases, J. Org. Chem., 65, 5739-44.

(35) Barra, M.; Smith, K., 2000, π-Complexes as 'modulators' of bromine atom reactivity in solution, J. Org. Chem., 65, 1892-4.

(34) Barra, M.; Harder, E. D.; Balfe, J. P., 1999, Influence of solvent polarity on the photoreactivity of 2-4-ring aromatic ortho-quinones, J. Chem. Soc., Perkin Trans. 2, 7, 1439-41.

(33) Sanchez, A. M., Barra, M.; de Rossi, R. H., 1999, On the mechanism of the acid/base-catalyzed thermal cis-trans isomerization of methyl orange, J. Org. Chem., 64, 1604-9.

(32) Barra, M.; Agha, K. A., 1998, Diffuse reflectance laser-flash photolytic study of aromatic ketones within calixarene solid matrices, Supramol. Chem., 10, 91-5.

(31) Tao, W.; Barra, M., 1998, Thermodynamic study of p-sulfonated calixarene complexes in aqueous solution, J. Chem. Soc., Perkin Trans. 2, 9, 1957-60.

(30) Barra, M.; Agha, K. A., 1997, Application of diffuse reflectance laser flash photolysis to the study of aromatic probes in ß-cyclodextrin solid complexes, J. Photochem. Photobiol., A: Chem., 109, 293-8.

(29) Barra, M., 1997, Deuterium isotope effect on the complexation of ß-cyclodextrin and triplet xanthone in aqueous solution, Supramol. Chem., 8, 263-6.

(28) Scaiano, J. C.; Buchner, G.; Barra, M.; Weldon, D.; Sinta, R., 1996, Photochemical studies of atomic species (F, Br, O) in solution, J. Photochem. Photobiol., A: Chem., 102, 7-11.

(27) Barra, M.; Fernandez M.; de Rossi, R. H., 1996, Erythromycin A as supramolecular receptor: association with dyes, Supramol. Chem., 7, 137-42.

(26) Kessar, V. M.; Mankotia, A. K. S.; Scaiano, J. C.; Barra, M.; Gebicki, J., 1996, Photochemistry of o-vinylbenzaldehyde: formation of a ketene methide intermediate and its trapping with secondary amines, J. Am. Chem. Soc., 118, 4361-5.

(25) Scaiano, J. C.; Barra, M.; Sinta, R., 1996, Chain amplified photoacid generation from vicinal dibromides. A general strategy for the efficient generation of hydrogen bromide across the ultraviolet and visible spectrum, Chem Mat., 8, 161-6.

(24) Barra, M.; Scaiano, J. C., 1995, Photoinduced transient phenomena in cyclodextrin solid complexes: photochemistry of aromatic ketones, Photochem. Photobiol., 62, 60-4.

(23) Weldon, D.; Barra, M.; Sinta, R.; Scaiano, J. C., 1995, Dynamics of the photochemical debromination of silicon-substituted vicinal dibromides, J. Org. Chem., 60, 3921-3.

(22) Scaiano, J. C.; Barra, M.; Krzywinski, M.; Hancock, T.; Calabrese, G.; Sinta, R., 1995, Photoreaction of vicinal dibromides with alcohols: chain-amplified generation of hydrogen bromide, Chem. Mat., 7, 936-40.

(21) Scaiano, J. C.; Buchner, G.; Barra, M.; Sinta, R., 1995, Kinetic studies of atoms (F, Br, O) in solution, Atualidades de Físico Química Orgânica, 187-96.

(20) Barra, M.; Scaiano, J. C.; Calabrese, G.; Sinta, R.; Thackery, J., 1994, Flash photolysis study of melamine cross-linking agents: dual role as cross-linker and photosensitizer, Chem. Mat., 6, 724-6.

(19) Scaiano, J. C.; Barra, M.; Krzywinski, M.; Sinta, R.; Calabrese, G., 1993, Laser flash photolysis determination of absolute rate constants for reactions of bromine atoms in solution, J. Am. Chem. Soc., 115, 8340-4.

(18) Scaiano, J. C.; Barra, M.; Calabrese, G.; Sinta, R., 1992, Photochemistry of 1,2-dibromoethane in solution. A model for deep-UV photoacid generation, J. Chem. Soc., Chem. Commun., 1418-9.

(17) Barra, M.; Bohne, C.; Zanocco, A.; Scaiano, J. C., 1992, Exploratory study of the application of laser techniques in the study of free radical processes in vesicles,Langmuir, 8, 2390-5.

(16) Schuster, D. I.; Woning, J.; Kaprinidis, N. A.; Pan, Y.; Cai, B.; Barra, M.; Rhodes, C. A., 1992, Photochemical and photophysical studies of bicyclo[4.3.0]non-1(6)-en-2-one, J. Am. Chem. Soc., 114, 7029-34.

(15) Barra, M.; de Rossi, R. H., 1992, Inhibition of the hydrolysis of p-nitrophenyl esters by association with an Erythromycin A derivative, J. Chem. Res. (M), 1758-72.

(14) Bohne, C.; Barra, M.; Boch, R.; Abuin, E. B.; Scaiano, J. C., 1992, Excited triplet states as probes in organized systems. An overview of recent results, J. Photochem. Photobiol. A: Chem., 65, 249-65.

(13) Barra, M.; Cernigliaro, G. J.; Sinta, R.; Scaiano, J. C., 1992, On the photodecomposition mechanism of o-diazonaphthoquinones, J. Am. Chem. Soc., 114, 2631-4.

(12) Barra, M.; Redmond, R. W.; Allen, M. T.; Calabrese, G. S.; Sinta, R.; Scaiano, J. C., 1991, Photochemistry of phenothiazine sensitizers in poly-(methylmetracrylate) films, Macromolecules, 24, 4972-7.

(11) Barra, M.; Calabrese, G. S.; Allen, M. T.; Redmond, R. W.; Sinta, R.; Lamola, A. A.; Small, R. D.; Scaiano, J. C., 1991, Photophysical and photochemical studies of phenothiazine and some derivatives: exploratory studies of novel photosensitizers for photoresist technology, Chem. Mat., 3, 610-6.

(10) Barra, M.; Bohne, C.; Scaiano, J. C., 1991, Study of xanthone-cyclodextrin inclusion complexes in the solid state using time-resolved diffuse reflectance-laser flash photolysis, Photochem. Photobiol., 54, 1-5.

(9) Barra, M.; de Rossi, R. H., 1991, Catalysis by ß-cyclodextrin in the reaction ofp-nitrophenylacetate with α-aminoacids, Can. J. Chem., 69, 1124-30.

(8) Barra, M.; Bohne, C.; Scaiano, J. C., 1990, Effect of cyclodextrin complexation on the photochemistry of xanthone. Absolute measurement of the kinetics for triplet state exit, J. Am. Chem. Soc., 112, 8075-9.

(7) Barra, M.; Cosa, J. J.; de Rossi, R. H., 1990, Erythromycin A as a supramolecular catalyst: effect on Rhodamine B lactonization, J. Org. Chem., 55, 5850-3.

(6) Barra, M.; de Rossi, R. H., 1989, Enantiomeric selectivity in the reactions of natural amino acids with 1-fluoro-2,4-dinitrobenzene in the presence of cyclodextrins, J. Org. Chem., 54, 5020-5.

(5) Barra, M.; de Rossi, R. H., 1988, Erythromycin as a supramolecular receptor,Tetrahedron Lett., 29, 1119-21.

(4) Barra, M.; de Rossi, R. H.; de Vargas, E. B., 1987, Catalysis by cyclodextrins in nucleophilic aromatic substitution reactions II. Amines as nucleophiles, J. Org. Chem., 52, 5004-8.

(3) de Rossi, R. H.; Barra, M.; de Vargas, E. B., 1986, Catalysis by cyclodextrins in nucleophilic aromatic substitution reactions, J. Org. Chem., 51, 2157-62.

(2) Barra, M.; de Vargas, E. B.; de Rossi, R. H., 1985, Catalisis por ciclodextrina en reacciones de sustratos aromaticos-activados con aminas, Contrib. Cient. Tec., 75-8.

(1) de Rossi, R. H.; de Vargas, E. B; Barra, M., 1985, Hydrolysis of aromatic substrates catalyzed by ß-cyclodextrin, Atualidades de Físico Química Orgânica, 151-64.