Search Results - "FLORES, Alex F. C"

Efficient sonochemical synthesis of novel 3,5-diaryl-4,5-dihydro-1H-pyrazole-1-carboximidamides by PIZZUTI, Lucas, MARTINS, Paula L. G, RIBEIRO, Bruna A, QUINA, Frank H, PINTO, Ernani, FLORES, Alex F. C, VENZKE, Dalila, PEREIRA, Claudio M. P

“…An ultrasound-assisted preparation of a series of novel 3,5-diaryl-4,5-dihydro-1H-pyrazole-1-carboximidamides that proceeds via the efficient reaction of…”
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Ultrasound promoted synthesis of thioesters from 2-mercaptobenzoxa(thia)zoles by Duarte, Anaí, Cunico, Wilson, Pereira, Claudio M.P., Flores, Alex F.C., Freitag, Rogério A., Siqueira, Geonir M.

“…An ultrasound-enhanced method has been developed for the synthesis of a variety of thioesters from benzoyl chlorides and 2-mercaptobenzoxa(thia)zoles. Applying…”
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Environmentally friendly sonocatalysis promoted preparation of 1-thiocarbamoyl-3,5-diaryl-4,5-dihydro-1H-pyrazoles by PIZZUTI, Lucas, PIOVESAN, Luciana A, FLORES, Alex F. C, QUINA, Frank H, PEREIRA, Claudio M. P

“…An efficient and green synthesis of thiocarbamoyl-3,5-diaryl-4,5-dihydro-1H-pyrazoles via the condensation of chalcones with thiosemicarbazide in ethanol and…”
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Ultrasound promoted greener synthesis of 2-(3,5-diaryl-4,5-dihydro-1 H-pyrazol-1-yl)-4-phenylthiazoles by Venzke, Dalila, Flores, Alex F.C., Quina, Frank H., Pizzuti, Lucas, Pereira, Claudio M.P.

“…A rapid and cleaner procedure for the synthesis of a series of 2-(3,5-diaryl-4,5-dihydro-1 H-pyrazol-1-yl)-4-phenylthiazoles under ultrasonic irradiation in…”
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Ultrasound assisted efficient conversion of aromatic aldehydes from oximes by Ribeiro, Dian M.B., Ritter, Marina, Souza, Alexander O., Freitag, Rogério A., Farias, Marília D., Flores, Alex F.C., Souto, Alynne A., Lencina, Claiton L., Pereira, Claudio M.P.

“…This work describes the ultrasound-assisted regeneration of aldehydes from oximes in ethanol and phosphoric acid as mediator of the reaction. The large scale…”
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Synthesis in Water and Antimicrobial Activity of 5-Trichloromethyl-4,5-dihydroisoxazoles by Flores, Alex F. C., Piovesan, Luciana A., Souto, Alynne A., Pereira, Mariano A., Martins, Marcos A. P., Balliano, Tatiane L., da Silva, Givanildo S.

“…Two series of 5-trichloromethylisoxazoles were synthesized from the cyclocondensation of 1,1,1-trichloro-4-methoxy-3-alken-2-ones [Cl 3 CC(O)C(R 2 ) = C(R 1…”
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Physico-chemical characterization of asolectin–genistein liposomal system: An approach to analyze its in vitro antioxidant potential and effect in glioma cells viability by Lopes de Azambuja, Carla Roberta, dos Santos, Lurdiane Gomes, Rodrigues, Marisa Raquel, Rodrigues, Renan Ferreira Meneses, da Silveira, Elita Ferreira, Azambuja, Juliana Hofstatter, Flores, Alex F.C., Horn, Ana Paula, Dora, Cristiana Lima, Muccillo-Baisch, Ana Luisa, Braganhol, Elizandra, da Silva Pinto, Luciano, Parize, Alexandre Luís, de Lima, Vânia Rodrigues

“…[Display omitted] •Genistein–asolectin liposomes interaction was studied by several techniques.•Genistein effects on liposomes were correlated with its…”
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Ultrasound-Promoted Environmentally Friendly Synthesis of 5-(3,3,3-Trifluoro-2-oxopropylidene)pyrrolidin-2-ones by Franco, Márcia S. F., Casagrande, Gleison A., Raminelli, Cristiano, Moura, Sidnei, Rossatto, Marcelo, Quina, Frank H., Pereira, Claudio M. P., Flores, Alex F. C., Pizzuti, Lucas

“…A facile, one-pot, ultrasound-promoted synthesis of N-substituted 5-(3,3,3-trifluoro-2-oxopropylidene)pyrrolidin-2-ones from methyl…”
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Cyclocondensation between fatty acid hydrazides and 1,1,1-trifluoro-4-alkoxy-3-alken-2-ones: Introducing a trifluoromethylated head onto fatty acid moieties by Teixeira, Wystan K. O., Gonçalves, Helena A., de Mello, Débora L., Moura, Sidnei, Flores, Darlene C., Flores, Alex F. C.

“…This paper reports the regioselective synthesis of new trifluoromethylated lipid derivatives, namely,…”
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From Levulinic Acid to Biheterocycles: Synthesis of 1-[(5-Hydroxy-5-trifluoromethyl-3-substituted-4,5-dihydro-1H-pyrazol-1-yl)-3-(5-trifluoromethyl-1H-pyrazol-3-yl)propan-1-ones by Flores, Alex F. C., Malavolta, Juliana L., Frigo, Leandro M., Doneda, Morgana, Flores, Darlene C.

“…We develop an efficient method to synthesize novel propionyl-spaced bisheterocyclic compounds. It entails cyclocondensation of…”
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Synthesis of diverse N-acyl-pyrazoles via cyclocondensation of hydrazides with α-oxeketene dithioacetal by Pereira, Bruna Á., de Bastos, Alcione V., Teixeira, Wystan K. O., e Silva, Sidnei Moura, Flores, Alex F. C., Flores, Darlene C.

“…An elegant, efficient, and highly regioselective approach for the synthesis of novel methyl 5-amino-3-(methylthio)-1-differently substituted-1 H…”
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From Renewable Levulinic Acid to a Diversity of 3-(Azol-3-yl)Propanoates by Flores, Alex F. C., Piovesan, Luciana A., Pizzuti, Lucas, Flores, Darlene C., Malavolta, Juliana L., Martins, Marcos A. P.

“…Efficient heterocyclization of methyl 7,7,7‐trifluoro‐4‐methoxy‐6‐oxo‐4‐heptenoate and methyl 7,7,7‐trichloro‐4‐methoxy‐6‐oxo‐4‐heptenoate into isoxazole and…”
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Cycloaromatization Reaction of 4-Alkoxy-1,1,1-trifluoroalk-3-en-2-ones with 2,6-Diaminotoluene: The Unexpected Regioselective Synthesis of 2,4,7,8-Tetrasubstituted Quinolines by Bonacorso, Helio G., Andrighetto, Rosália, Krüger, Nícolas, Navarini, Jussara, Flores, Alex F. C., Martins, Marcos A. P., Zanatta, Nilo

“…This article reports a convenient and general method for the regioselective synthesis of a new series of…”
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Synthesis, Structure, and Cyclocondensation of the 4,4,4-Trifluoro-3,3-dihydroxy-2-methyl-1-(thien-2-yl)-1-butanone with Hydroxylamine and Hydrazine by Balliano, Tatiane L., Pereira, Mariano A., Flores, Darlene C., Kuhn, Bruna P., Flores, Alex F. C., da Silva, Givanildo S.

“…The synthesis of 4,4,4-trifluoro-3,3-dihydroxy-2-methyl-1-(thien-2-yl)butan-1-one (3) through acylation of 1,1-dimethoxy-1-(thien-2-yl)propane (1) with…”
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Highly Chemoselective Synthesis of 6-Alkoxy-1-alkyl(aryl)-3-trifluoroacetyl-1,4,5,6-tetrahydropyridines and 1-Alkyl(aryl)-6-amino-3-trifluoroacetyl-1,4,5,6-tetrahydropyridines by Zanatta, Nilo, da S. Fernandes, Liana, Nachtigall, Fabiane M., Coelho, Helena S., Amaral, Simone S., Flores, Alex F. C., Bonacorso, Helio G., P. Martins, Marcos A.

“…A simple and highly chemoselective method for the synthesis of a large series of novel 6‐alkoxy‐1‐alkyl(aryl)‐3‐trifluoroacetyl‐1,4,5,6‐tetrahydropyridines and…”
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Synthesis and Structure of Novel 1-Aryl-4,4,4-trichloro-1,3-butanediones by Flores, Alex F. C., Martins, Mauro J., Frigo, Leandro M., Machado, Pablo, Campos, Patrick T., Malavolta, Juliana L.

“…Novel 1-aryl-4,4,4-trichloro-1,3-butanediones in good yields (80-97%) were synthesized in one pot through acetal acylation with trichloroacetyl chloride…”
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Convergent procedure for the synthesis of trifluoromethyl-containing N-(pyridinyl-triazolyl)pyrimidin-2-amines by Bonacorso, Helio G, Bortolotto, Guilherme P, Navarini, Jussara, Porte, Liliane MF, Wiethan, Carson W, Zanatta, Nilo, Martins, Marcos AP, Flores, Alex FC

“…This study describes a simple and efficient procedure to synthesize a novel series of fourteen 4-substituted…”
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Experimental and calculated structural parameters of 5-trihalomethyl-4,5-dihydro-1H-pyrazole derivatives, novel analgesic agents by Machado, Pablo, Campos, Patrick T., Lima, Glauber R., Rosa, Fernanda A., Flores, Alex F.C., Bonacorso, Helio G., Zanatta, Nilo, Martins, Marcos A.P.

“…The crystal structures of four novel analgesic agents, methyl 5-hydroxy-3- or 4-methyl-5-trichloro[trifluoro]methyl-4,5-dihydro-1H-pyrazole-1-ca r boxylate,…”
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Microwave-assisted synthesis of novel 5-trichloromethyl-4,5-dihydro-1H-1-pyrazole methyl esters under solvent free conditions by Martins, Marcos A. P., Beck, Paulo, Machado, Pablo, Brondani, Sergio, Moura, Sidnei, Zanatta, Nilo, Bonacorso, Helio G., Flores, Alex F. C.

“…Twelve novel 5-trichloromethyl-4,5-dihydro-1H-1-pyrazole ethyl esters have been synthesized in good yields (70-98%) by using environmentally benign microwave…”
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Synthesis of the omega-brominated alpha-trifluoroacetylcycloalkanones and their isoxazole derivatives by Flores, Alex F. C., Peres, Rodrigo L., Piovesan, Luciana A., Flores, Darlene C., Bonacorso, Helio G., Martins, Marcos A. P.

“…The reactions of a serie of the 2-trifluoroacetyl-1-methoxy-1-cycloalkenes (1a-1e) and 2-trifluoroacetylcycloalkanones (2a-2e) with molecular bromine to obtain…”
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