Výsledky vyhledávání - "Fábio Z. Galetto"

Decarboxylative ring-opening of 2-oxazolidinones: a facile and modular synthesis of β-chalcogen amines

Autor: Fábio Z. Galetto, Cleiton da Silva, Ricardo I. M. Beche, Renata A. Balaguez, Marcelo S. Franco, Francisco F. de Assis, Tiago E. A. Frizon, Xiao Su

Publikováno v: RSC advances. 12(53)

This study includes a new protocol for the synthesis of primary and secondary β-chalcogen amines (Se, Te and S) from the ring-opening reaction of non-activated 2-oxazolidinones with chalcogenolate anions.

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a17bb84a679c5392aa387744080b8d7a
https://pubmed.ncbi.nlm.nih.gov/36545628

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A selanylimidazopyridine (3-SePh-IP) reverses the prodepressant- and anxiogenic-like effects of a high-fat/high-fructose diet in mice

Autor: Fábio Z. Galetto, Eslen Delanogare, Sumbal Saba, Jamal Rafique, Izolene Corrêa Veloso, Eduardo Luiz Gasnhar Moreira, Adriano Emanuel Machado, Giovana Karoline Rosa, Sara Pereira Braga, Roberth Nascimento da Trindade, Andreza Fabro de Bem

Publikováno v: Journal of Pharmacy and Pharmacology. 73:673-681

Objective While chronic feeding with high-fat or high-sugar diets is known related to obesity and type 2 diabetes, later data have indicated that it is also related to depression and anxiety appearance. In this regard, multi-target drugs raise consid

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::84da68eb4eaceb8b561d86d04c7394c9
https://doi.org/10.1093/jpp/rgaa070

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Trihaloisocyanuric acids in ethanol: an eco-friendly system for the regioselective halogenation of imidazo-heteroarenes

Autor: Fábio Z. Galetto, Antonio L. Braga, Renata A. Balaguez, Sumbal Saba, José S. S. Neto, Marcelo S. Franco, Jamal Rafique, Victor C. de Sá Machado

Publikováno v: Green Chemistry. 22:3410-3415

Herein, we describe an efficient, rapid and benign protocol for the direct C(sp2)–H bond halogenation (Cl, Br, I) of 2-arylimidazo[1,2-a]pyridines using trihaloisocyanuric acids in ethanol. Furthermore, this sustainable protocol was successfully ex

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::a44d040ac6fe43fc8c2838c107502a3d
https://doi.org/10.1039/d0gc00137f

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ESIPT-based benzazole-pyromellitic diimide derivatives. A thermal, electrochemical, and photochemical investigation

Autor: Tiago E.A. Frizon, Cristian A.M. Salla, Felipe Grillo, Fabiano S. Rodembusch, Viktor S. Câmara, Henrique C. Silva, Eduardo Zapp, Eduardo Junca, Fábio Z. Galetto, Angélica M. de Costa, Gabriela J. Pedroso, Antonio A. Chepluki, Sumbal Saba, Jamal Rafique

Publikováno v: Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy. 288:122050

This study describes the synthesis of new pyromellitic diimide (PMDI) derivatives obtained in good yields from the reaction between pyromellitic dianhydride and aminobenzazoles reactive to proton-transfer in the excited state (ESIPT). In this investi

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b99baf869dc065f7338a5a47a98ceee3
https://doi.org/10.1016/j.saa.2022.122050

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Solvent- and metal-free selective oxidation of thiols to disulfides using I2/DMSO catalytic system

Autor: Luana Bettanin, Sumbal Saba, Jamal Rafique, Fábio Z. Galetto, Gustavo A. Mike, Antonio L. Braga

Publikováno v: Tetrahedron Letters. 58:4713-4716

We describe herein a simple, fast and inexpensive protocol for the oxidative coupling of thiols employing a stoichiometric amount of DMSO and iodine as the catalyst. Various aromatic disulfides were obtained in good to excellent yields in short react

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::904f10a6674da5669170ae367785a23c
https://doi.org/10.1016/j.tetlet.2017.11.009

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Sulfamic acid: An efficient and recyclable catalyst for the regioselective hydrothiolation of terminal alkenes and alkynes with thiols

Autor: Maura L. Bruckchem Peixoto, Marcelo Gonçalves Montes D'Oca, Fábio Z. Galetto, Gilber R. Rosa, Clarissa H. Rosa, Benhur Godoi, Marcelo Godoi

Publikováno v: Tetrahedron Letters. 58:3777-3781

Herein, we described a new method for the preparation of thioethers through hydrothiolation of alkenes and alkynes, using sulfamic acid as a reusable catalyst. Generally, this new methodology afforded the desired products in very good yields, under m

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::de511b424a22a55a2d14b19c9154a32c
https://doi.org/10.1016/j.tetlet.2017.08.051

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One-pot modular synthesis of β-chalcogen amides via regioselective 2-oxazolines ring-opening reaction promoted by indium chalcogenolates under microwave irradiation

Autor: Roberth Nascimento da Trindade, Cleiton da Silva, Fábio Z. Galetto, Luana Bettanin, Marcelo Godoi, Andrielli Leitemberger, Larissa F. Guimarães

Publikováno v: Tetrahedron Letters. 61:152180

We describe herein a microwave-assisted synthesis of β-chalcogen amides through the regioselective ring-opening reaction of 2-oxazolines promoted by bis(organoylchalcogeno)iodo indium(III) in situ generated. This protocol allows the preparation of s

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::e3196692dec6b512849943ce0f20cac2
https://doi.org/10.1016/j.tetlet.2020.152180

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One-pot organocatalytic/multicomponent approach for the preparation of novel enantioenriched non-natural selenium-based peptoids and peptide-peptoid conjugates

Autor: Márcio W. Paixão, Antonio L. Braga, Alexander F. de la Torre, Fábio Z. Galetto, Akbar Ali, José A C Delgado

Publikováno v: Molecular diversity. 24(1)

A combined organocatalytic and multicomponent synthetic approach was designed for the preparation of selenium-based peptoids and peptide-peptoid conjugates. This single-step synthetic protocol comprises the organocatalytic asymmetric insertion of phe

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9748e7379efd48d89e7393541af2e409
https://pubmed.ncbi.nlm.nih.gov/30778816

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