Search Results - "Campos, Patrick T"

Regiochemistry of cyclocondensation reactions in the synthesis of polyazaheterocycles by Campos, Patrick T, Rodrigues, Leticia V, Belladona, Andrei L, Bender, Caroline R, Bitencurt, Juliana S, Rosa, Fernanda A, Back, Davi F, Bonacorso, Helio G, Zanatta, Nilo, Frizzo, Clarissa P, Martins, Marcos A P

“…The syntheses of several polyazaheterocycles are demonstrated. The cyclocondensation reactions between β-enaminodiketones [CCl C(O)C(=CNMe )C(O)-CO Et] and…”
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Structural Investigation, UV–Vis Analysis and Crystal Packing of Spiro[chromeno[4,3-b]quinoline-6,1′-cycloalkan]-7-amine: Novel Tacrine Hybrids by Single Crystal X-Ray Diffraction by Bonacorso, Helio G., Campos, Patrick T., Silva, Letícia B., Iglesias, Bernardo A., Zanatta, Nilo, Hörner, Manfredo

“…The structure of four spiro[chromeno[4,3- b ]quinoline-6,1′-cycloalkan]-7-amine ( 1 – 4 ) was determined by X-ray diffraction methods. The quinoline rings were…”
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Evaluation of the Antioxidant Activity of Copper(II) Complexes containing Tris-(hydroxymethyl)aminomethane (TRIS) Units by Canabarro, Cibele M., Ceolin, Joice, Siqueira, Josiéli D., Iglesias, Bernardo A., Manzoni de Oliveira, Gelson, Back, Davi F., Campos, Patrick T.

“…The structural analysis and the SOD‐like activity of CuII complexes [(Cu)(C16H18N3O5)]ClO4 (1) and [(Cu)4(C36H52N8O12)] (2) are described with ligands obtained…”
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2-Methyl-5-(4-tol-yl)-7-(trifluoro-meth-yl)pyrazolo[1,5-a]pyrimidine by Frizzo, Clarissa P, Campos, Patrick T, Marzari, Mara R B, Machado, Pablo, Martins, Marcos A P

“…In the title compound, C(15)H(12)F(3)N(3), the pyrazolo[1,5-a]pyrimidine system ring is essentially planar with a maximum deviation from the mean plane of…”
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Ultrasound promoted the synthesis of N-propargylic β-enaminones by Martins, Marcos A.P., Rossatto, Marcelo, Prola, Liziê D.T., Pizzuti, Lucas, Moreira, Dayse N., Campos, Patrick T., Frizzo, Clarissa P., Zanatta, Nilo, Bonacorso, Helio G.

“…► Synthesis of novel N-propargylic β-enaminones. ► Comparison among different methodologies. ► Ultrasound irradiation efficiently leads to the desired…”
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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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Molecular structure of pyrazolo[1,5- a]pyrimidines: X-ray diffractometry and theoretical study by Frizzo, Clarissa P., Scapin, Elisandra, Campos, Patrick T., Moreira, Dayse N., Martins, Marcos A.P.

“…The structure of 7-trichloromethyl-2-methylpyrazolo[1,5- a]pyrimidine ( 1) and 3-bromo-2-methyl-7-(thien-2-yl)pyrazolo[1,5- a]pyrimidine ( 2) was determined by…”
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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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Structural investigations of 5-hydroxy-4,5-dihydroisoxazoles by Campos, Patrick T., Machado, Pablo, Frizzo, Clarissa P., Moreira, Dayse N., Meyer, Alexandre R., Bonacorso, Helio G., Zanatta, Nilo, Ducati, Lucas C., Rittner, Roberto, Tormena, Cláudio F., Martins, Marcos A.P.

“…► 4,5-Dihydroisoxazoles were characterized and compared with similar structures. ► A robust supramolecular synthon O-H⋅⋅⋅N,O in 4,5-dihydroisoxazole were…”
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Supramolecular structure of enaminones in solid-state by Frizzo, Clarissa P., Marzari, Mara R.B., Moreira, Dayse N., Campos, Patrick T., Zanatta, Nilo, Bonacorso, Helio G., Martins, Marcos A.P.

“…The crystalline structure of four enaminones [R 1C(O)CH C(Me)NR 2R 3, where R 1 = CCl 3, R 2 = H, R 3 = Bn ( 1); R 1 = CHCl 2, R 2 = H, R 3 = Bn ( 2); R 1 =…”
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Influence of bulky and halogen substituents on crystal packing of pyrazolo[1,5- a]pyrimidines by Frizzo, Clarissa P., Meyer, Alexandre R., Caleffi, Guilherme S., Rodrigues, Letícia V., Marzari, Mara R.B., Campos, Patrick T., Moreira, Dayse N., Bonacorso, Helio G., Zanatta, Nilo, Martins, Marcos A.P.

“…► Molecular and packing structures were determined by X-ray crystallography. ► Cl⋯Cl, Cl⋯Br and Cl⋯N were found as main intermolecular interactions. ►…”
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Efficient preparation of novel N-propargylic β-enaminones from the reaction of β-alkoxyvinyltrihalomethyl[carboxy]ketones and propargylamines by Martins, Marcos A.P., Rossatto, Marcelo, Prola, Liziê D. T., Moreira, Dayse N., Campos, Patrick T., Zanatta, Nilo, Bonacorso, Helio G.

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Design, synthesis, and structure of alkyl 1H-pyrazolecarboxylates from a raspberry ketone methyl ether by Goulart, Taís B., Neves, Adriana M., Soares, Mayara S. P., Stefanello, Francieli M., Campos, Patrick T., Moura, Sidnei, Cargnelutti, Roberta, Flores, Alex F. C.

“…This paper reports a one-pot synthesis of 5-[2-(4-methoxyphenyl)ethyl]-1 H -pyrazole-3-carboxylates via cyclocondensation of…”
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New trifluoromethyl-containing (E)-N′-arylidene-[3-alkyl(aryl/heteroaryl)-4,5-dihydro-1H-pyrazol-1-yl]carbohydrazides: Synthesis, crystal structure and antimicrobial/antioxidant activity by Bonacorso, Helio G., Cavinatto, Susiane, Campos, Patrick T., Porte, Liliane M.F., Navarini, Jussara, Paim, Gisele R., Martins, Marcos A.P., Zanatta, Nilo, Stuker, Caroline Z.

“…The regioselective synthesis and structural study via X-ray diffraction of a series of twenty-seven new…”
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Structural studies of 2-methyl-7-substituted pyrazolo[1,5-a]pyrimidines by Frizzo, Clarissa P., Martins, Marcos A.P., Marzari, Mara R. B., Campos, Patrick T., Claramunt, Rosa M., García, M. Ángeles, Sanz, Dionisia, Alkorta, Ibon, Elguero, José

“…Six pyrazolo[1,5‐a]pyrimidines bearing a 7‐trifluoromethyl (three compounds), a 7‐trichloromethyl (two compounds), and a 7‐ethoxycarbonyl (one compound) have…”
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X-ray structure, semi-empirical MO calculations and π-electron delocalization of 1-cyanoacetyl-5-trifluoromethyl-5-hydroxy-4,5-dihydro-1H-pyrazoles by Martins, Marcos A.P., Moreira, Dayse N., Frizzo, Clarissa P., Campos, Patrick T., Longhi, Kelvis, Marzari, Mara R.B., Zanatta, Nilo, Bonacorso, Helio G.

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X-ray structure, semi-empirical MO calculations and [pi]-electron delocalization of 1-cyanoacetyl-5-trifluoromethyl-5-hydroxy-4,5-dihydro-1H-pyrazo les by Martins, Marcos AP, Moreira, Dayse N, Frizzo, Clarissa P, Campos, Patrick T, Longhi, Kelvis, Marzari, Mara RB, Zanatta, Nilo, Bonacorso, Helio G

“…The structure of three 1-cyanoacetyl-3-alkyl[aryl]-5-trifluoromethyl-5-hydroxy-4,5-dihydr o -1H-pyrazoles ( 1- 3) has been determined by X-ray diffractometry…”
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Synthesis and Structural Analysis of Trichloroacetamidoxime by Bretanha, Lizandra C., Freitag, Rogério A., Siqueira, Geonir M., Ritter, Marina, Campos, Patrick T., Martins, Marcos A. P.

“…The trichloroacetoamidoxime was synthesized following the principles of green chemistry in excellent yield (90 %). This compound crystallizes in the…”
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X-ray structure, semi-empirical MO calculations and π-electron delocalization of 1-cyanoacetyl-5-trifluoromethyl-5-hydroxy-4,5-dihydro-1 H-pyrazoles by Martins, Marcos A.P., Moreira, Dayse N., Frizzo, Clarissa P., Campos, Patrick T., Longhi, Kelvis, Marzari, Mara R.B., Zanatta, Nilo, Bonacorso, Helio G.

“…The structure of three 1-cyanoacetyl-3-alkyl[aryl]-5-trifluoromethyl-5-hydroxy-4,5-dihydro-1 H-pyrazoles ( 1– 3) has been determined by X-ray diffractometry…”
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Experimental and calculated structural parameters of 5-trihalomethyl-4,5-dihydro-1 H-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-1 H-pyrazole-1-carboxylate,…”
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