Search Results - "Nagem, Tanus J"

Antifungal Activity of Coumarin Mammeisin Isolated from Species of the Kielmeyera Genre (Family: Clusiaceae or Guttiferae) by Nagem, Tanus J., do Leonel Neto, Arman, Hamoy, Moisés, Taylor, Jason G., de Oliveira, Tânia T., Marcondes, Helcio Cassemiro, de Mello, Vanessa Joia

“…Coumarin mammeisin isolated from Kielmeyera elata was evaluated for its toxicity and antifungal activities. The toxicity of mammeisin was investigated by…”
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7-epiclusianone, the natural prenylated benzophenone, inhibits superoxide anions in the neutrophil respiratory burst by Santa-Cecília, Flávia V, Santos, Gérsika B, Fuzissaki, Carolina N, Derogis, Priscilla B M C, Freitas, Lissara A S, Gontijo, Vanessa S, Stringheta, Paulo C, Nagem, Tanus J, Brigagão, Maísa R P L, Santos, Marcelo H Dos

“…Despite defenses by polymorphonuclear neutrophils in the host against invading agents, overproduction of oxidant species by phagocytes can lead to damage in…”
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2,2′,4-Trihydroxybenzophenone: Crystal Structure, and Anti-Inflammatory and Antioxidant Activities by Doriguetto, Antônio C., Martins, Felipe T., Ellena, Javier, Salloum, Rogério, dos Santos, Marcelo H., Moreira, Maria E. C., Schneedorf, José M., Nagem, Tanus J.

“…The crystal structure of ‘2,2′,4‐trihydroxybenzophenone’ (=(2,4‐dihydroxyphenyl)(2‐hydroxyphenyl)methanone; 1) was determined, and its molecular structure,…”
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Mechanism of the vasodilator effect of mono-oxygenated xanthones: a structure-activity relationship study by Diniz, Thiago F, Pereira, Aline C, Capettini, Luciano S A, Santos, Marcelo H, Nagem, Tanus J, Lemos, Virginia S, Cortes, Steyner F

“…The present study characterized the mechanisms involved in the vasodilator effect of two mono-oxygenated xanthones, 4-hydroxyxanthone and 4-methoxyxanthone…”
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Synthesis of Indolines via a SmI2 Promoted Domino Nitro Reduction-Intramolecular aza-Michael Reaction by Ferreira Ramos, Josierika A., Araújo, Carolina S., Nagem, Tanus J., Taylor, Jason G.

“…A simple and straightforward synthesis of substituted indolines based on a domino nitro reduction intramolecular aza‐Michael reaction is described. The…”
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Antioxidant, cytotoxic and antimutagenic activities of 7-epi-clusianone obtained from pericarp of Garcinia brasiliensis by Carvalho-Silva, Luciano Bruno, Oliveira, Maysa do Vale, Gontijo, Vanessa Silva, Oliveira, Williana F., Derogis, Priscilla B.M.C., Stringheta, Paulo C., Nagem, Tanus J., Brigagão, Maísa R.P.L., dos Santos, Marcelo H.

“…This paper describes the investigation of the cytotoxic and antioxidant activities and in vivo mutagenic/antimutagenic potential of different concentrations of…”
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Synthesis of an Alkylidene 2-Oxazolidinone via Gold-Catalyzed Cyclization of a N-Boc-Allenylaniline by De Sousa Fonseca, Flavia C., Araujo, Flavia M., Nagem, Tanus J., de Oliveira, Tânia T., Roque D. Correia, Carlos, Taylor, Jason G.

“…N-Boc-allenylaniline undergoes cyclization in the presence of a catalytic amount of a cationic gold complex to exclusively form 2-oxazolidinones, whereas the…”
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Vasodilator and antioxidant effect of xanthones isolated from Brazilian medicinal plants by Capettini, Luciano S, Campos, Lucas Vicente A, Dos Santos, Marcelo H, Nagem, Tanus J, Lemos, Virgínia S, Cortes, Steyner F

“…Vasorelaxant and antioxidant activities are important in the therapy for cardiovascular diseases. We aimed at investigating the vasorelaxant and antioxidant…”
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Mammeigin by Doriguetto, Antônio C., Ellena, Javier, Dos Santos, Marcelo H., Moreira, Maria E. C., Nagem, Tanus J.

“…Single crystals of the phenyl­coumarin named mammeigin (or mammea A/AA cycle D) [systematic name:…”
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6-Deoxyjacareubin by DORIGUETTO, Antonio C, SANTOS, Marcelo H, ELLENA, Javier A, NAGEM, Tanus J

“…The natural compound 5,10-dihydroxy-2,2-dimethylpyrano[3,2-b]xanthen-6(2H)-one (6-deoxyjacareubin), C(18)H(14)O(5), was isolated from leaves of Vismia…”
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Phenylcoumarins from Kielmeyera elata by Gramacho, R.da S, Nagem, Tanus J, de Oliveira, Tânia Toledo, de Queiroz, Maria Eliana L.R, Neves, Antonio A, Saddi, Nagib

“…Friedelin, the 4-phenylcoumarins mammeisin, 4-phenyl-5-hydroxy-6-(3-methyl-1-oxobutyl)-2′-(1-hydroxy-1-methylethyl)-3′,4′-dihydro(5′,4′:7,8) furancoumarin, and…”
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Xanthones from Vismia latifolia by Santos, Marcelo H. dos, Nagem, Tanus J., Silva, Marilda C. da, Silva, Luiz G. F. e

“…A new xanthone,1,4,8-trihydroxyxanthone (1,4,8-trihydroxy-9H-xanthen-9-one), was isolated from the roots of Vismia latifolia (Guttiferae). Four other known…”
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Synthesis of Indolines via a SmI 2 Promoted Domino Nitro Reduction–Intramolecular aza ‐Michael Reaction by Ferreira Ramos, Josierika A., Araújo, Carolina S., Nagem, Tanus J., Taylor, Jason G.

“…A simple and straightforward synthesis of substituted indolines based on a domino nitro reduction intramolecular aza ‐Michael reaction is described. The…”
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Host–guest interactions between xanthones and water: the role of O–H···O, C–H···O, and π···π contacts in the channel- and cage-type frameworks by Corrêa, Rodrigo S., dos Santos, Marcelo H., Nagem, Tanus J., Ellena, Javier

“…In this article were studied two xanthone derivatives known as 1,5-dihydroxy-8-methoxyxanthone (I) and 1,3,7-trihydroxy-8-methoxyxanthone (II), which show one…”
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On the relationships between molecular conformations and intermolecular contacts toward crystal self-assembly of mono-, di-, tri-, and tetra-oxygenated xanthone derivatives by Corrêa, Rodrigo S., dos Santos, Marcelo H., Nagem, Tanus J., Ellena, Javier

“…Oxygenated xanthones have been extensively investigated over the years, but there are few reports concerning their crystal structure. Our chemical…”
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Efeito de flavonóides no metabolismo do ácido araquidônico by Silva, Rosimar R. da, Oliveira, Tânia T. de, Nagem, Tanus J., Leão, Maria A.

“…Os produtos da ação das enzimas ciclooxigenase e lipoxigenase sobre o ácido araquidônico são prostaglandinas, tromboxanos e leucotrienos, também denominados…”
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Expedient access to an N-phenylpyrrolidin-2-yl heterocycle via a base-induced intramolecular aza-Michael reaction : research article by Nagem, Tanus J., Ferreira Ramos, Josierika A., Taylor, Jason G.

“…Ethyl 2-(1-phenylpiperidin-2-yl) acetate was formed in a spontaneous cyclization from (E)-ethyl 7-oxohept-2-enoate whereas ethyl…”
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Aterosclerose experimental em coelhos by Dornas, Waleska C., Oliveira, Tânia T. de, Augusto, Luis E. Franklin, Nagem, Tanus J.

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Aterosclerose experimental em coelhos Experimental atherosclerosis in rabbits by Waleska C. Dornas, Tânia T. de Oliveira, Luis E. Franklin Augusto, Tanus J. Nagem

“…Numerosas pesquisas têm sido realizadas utilizando modelos experimentais para estudar o desenvolvimento da aterosclerose com dieta induzindo hiperlipidemia…”
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Antidiabetic effects of the medicinal plants by Dornas, Waleska C., Oliveira, Tânia T. de, Dores, Rosana G. R., Fabres, Mary Helen A., Nagem, Tanus J.

“…Diabetes mellitus (DM) is a chronic metabolic disease characterized by hyperglycemy that has a significant impact for their patients. Its incidence is raising…”
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