Výsledky vyhledávání - "Francieli M. Libero"

4-Trichloroacetyl-1,2,3-triazoles: A versatile building block for rapid assessment of carbohydrazides and rufinamide derivatives

Autor: Melissa B. Rodrigues, Marcos A. P. Martins, Helio G. Bonacorso, Nilo Zanatta, Fábio M. Luz, Maiara C. Moraes, Francieli M. Libero, Susiane Cavinatto, Felipe S. Stefanello

Publikováno v: Tetrahedron Letters. 58:3827-3830

This work reports the synthesis of a series of (1H-1,2,3-triazol-4-yl)carbohydrazides (2), which were obtained from 4-trichloroacetyl-1H-1,2,3-triazoles (1). Triazoles 1 were synthesized by 1,3-dipolar cycloaddition reaction, starting from 4-alkoxy-1

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::43113eba8aba89a9cc5dd8d523ee7138
https://doi.org/10.1016/j.tetlet.2017.08.049

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Streamlined Synthesis of 6-((1H-1,2,3-Triazol-4-yl)methyl)-1H-pyrrolo [3,4-d]pyridazin-1-one System via Sequential N-Alkylation, CuAAC, and [4 + 2] Cyclization Reactions

Autor: Manfredo Hoerner, Francieli M. Libero, Marcos A. P. Martins, Gean M. Dal Forno, Helio G. Bonacorso, Hernane T. Magalhães, Nilo Zanatta, Clarissa P. Frizzo

Publikováno v: Journal of the Brazilian Chemical Society, Volume: 30, Issue: 6, Pages: 1189-1202, Published: 23 MAY 2019
Journal of the Brazilian Chemical Society v.30 n.6 2019
Journal of the Brazilian Chemical Society
Sociedade Brasileira de Química (SBQ)
instacron:SBQ

An efficient sequential three-step reaction methodology for the synthesis of three new series-1-(prop-2-yn-1-yl)-1H-pyrroles, methyl 4-acetyl-1-((1H-1,2,3-triazol-4-yl)methyl)-1H-pyrrole-3-carboxylates and 6-((1H-1,2,3-triazol-4-yl)methyl)-2,6-dihydr

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8222eae75c9577000f02da8fef04f1e3
https://doi.org/10.21577/0103-5053.20190013

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New regioselective synthesis of polyfunctionalized 3-ferrocenyl-1 H -pyrroles under microwave irradiation

Autor: Marcos A. P. Martins, Manfredo Hörner, Francieli M. Libero, Helio G. Bonacorso, Everton P. Pittaluga, Gean M. Dal Forno, Davi F. Back, Nilo Zanatta

Publikováno v: Tetrahedron Letters. 57:4568-4573

A facile and regioselective synthesis of a series of new methyl 3-ferrocenyl-1H-pyrrole-2-carboxylates obtained from methyl ferrocenyl azido acrylate and symmetrical or non-symmetrical 1,3-dicarbonyl compounds under microwave-assisted conditions is r

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::73f75cd58d38bab614405820c81d9ea4
https://doi.org/10.1016/j.tetlet.2016.08.088

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A telescoped protocol for the synthesis of new pyrrolo [3,4-d]pyridazinones by cascade reactions

Autor: Nilo Zanatta, Helio G. Bonacorso, Gean M. Dal Forno, Everton P. Pittaluga, Marcos A. P. Martins, Francieli M. Libero, Liliane M. F. Porte

Publikováno v: Tetrahedron Letters. 56:5190-5195

A new one-pot method, for the synthesis of polysubstituted pyrrolo[3,4- d ]pyridazinones, is presented. The protocol consists in cascade reactions performed in the same media: (i) the thermal in situ pyrrole formation by the reaction of vinyl azides

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::d4f26bbb24d810e8bb0bd94b68c6af36
https://doi.org/10.1016/j.tetlet.2015.07.035

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Unexpected Metal-Free Fluorination and Oxidation at the C-4 Position of Pyrazoles Promoted by Selectfluor

Autor: Liliane M. F. Porte, Andrizia F. Junges, Marcos A. P. Martins, Everton P. Pittaluga, Helio G. Bonacorso, Francieli M. Libero, Nilo Zanatta

Publikováno v: Synlett. 26:2009-2013

Metal-free electrophilic fluorination, promoted by Selectfluor, of pyrazoles with methylene groups (CH2X), in which X = OH, OMe, F, N3, and NHMe at the C-4 position furnished the 4-fluoro-pyrazole products from unexpected C–C bond cleavage, at mode

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::fcb6738b6e3a3b76ec7a3f5d49a5251a
https://doi.org/10.1055/s-0034-1381050

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New 4-fluoroalkyl substituted N-phenylpyrazoles: Synthesis promoted by DAST and multinuclear NMR analysis

Autor: Francieli M. Libero, Andrizia F. Junges, Marcos A. P. Martins, Everton P. Pittaluga, Helio G. Bonacorso, Liliane M. F. Porte, Nilo Zanatta

Publikováno v: Journal of Fluorine Chemistry. 176:44-50

This paper reports a synthetic and NMR spectroscopic studies of two new series of 4-fluorinated 1,3,5-substituted 1H-pyrazoles. Firstly, an efficient synthesis of new series of 3-aryl-4-(di)fluoromethyl-1H-1-phenylpyrazoles, where [aryl = Ph, 4-NO2C6

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::8fdc8386a9a5f3ee1f2b06ac619f7d68
https://doi.org/10.1016/j.jfluchem.2015.05.010

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ChemInform Abstract: Unexpected Metal-Free Fluorination and Oxidation at the C-4 Position of Pyrazoles Promoted by Selectfluor

Autor: Nilo Zanatta, Francieli M. Libero, Liliane M. F. Porte, Helio G. Bonacorso, Andrizia F. Junges, Marcos A. P. Martins, Everton P. Pittaluga

Publikováno v: ChemInform. 47

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::7dd58f18c56c6cec91ed48f651dfdad5
https://doi.org/10.1002/chin.201603123

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ChemInform Abstract: A Telescoped Protocol for the Synthesis of New Pyrrolo[3,4-d]pyridazinones by Cascade Reactions

Autor: Liliane M. F. Porte, Francieli M. Libero, Nilo Zanatta, Helio G. Bonacorso, Marcos A. P. Martins, Gean M. Dal Forno, Everton P. Pittaluga

Publikováno v: ChemInform. 47

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::2ad6111545733f9be65907961e5a6370
https://doi.org/10.1002/chin.201601166

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Synthesis of novel selenium and tellurium-containing tetrazoles: a class of chalcogen compounds with antifungal activity

Autor: Diego Alves, Gelson Perin, Francieli M. Libero, Maurício C. D. F. Xavier, Patrícia da Silva Nascente, Francine N. Victoria, Lucielli Savegnago

Publikováno v: Tetrahedron Letters. 53:3091-3094

We describe herein the synthesis and antifungal activity of new 5-arylchalcogenoalkyl-1H-tetrazoles 4. Arylchalcogenoalkyl-1H-tetrazoles 4 have been synthesized in high yields by reaction of arylchalcogenolate anions with chloronitriles 2, and subseq

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::252a77cdf0444f89c4a0ece1448c8a8f
https://doi.org/10.1016/j.tetlet.2012.04.040

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Glycerin and CeCl3·7H2O: a new and efficient recyclable medium for the synthesis of bis(indolyl)methanes

Autor: Claudio C. Silveira, Francieli M. Libero, Eder J. Lenardão, Gelson Perin, Samuel R. Mendes

Publikováno v: Tetrahedron Letters. 50:6060-6063

Glycerin and CeCl 3 ·7H 2 O were successfully used in recyclable catalytic system for the synthesis of several bis(indolyl)methanes in good to excellent yields through the reaction of indoles with aldehydes. The method is applicable to aliphatic and

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::de3514bafa053f3cdd23c2cb4b346724
https://doi.org/10.1016/j.tetlet.2009.08.062

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