Search Results - "Silva, Virgínia C."

Probing structural properties and antioxidant activity mechanisms for eleocarpanthraquinone by Santos, José L. F., Kauffmann, Angélica C., da Silva, Sebastião C., Silva, Virgínia C. P., de Souza, Gabriel L. C.

“…In this work, we present a computational investigation on the structure and energetics of eleocarpanthraquinone, a newly isolated polyphenolic…”
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Anti-inflammatory activity of 4′,6,7-trihydroxy-5-methoxyflavone from Fridericia chica (Bonpl.) L.G.Lohmann by Lima, Joaquim C. S., de Oliveira, Ruberlei Godinho, Silva, Virgínia C., de Sousa Jr, Paulo Teixeira, Violante, Ivana M. P., Macho, Antonio, Martins, Domingos Tabajara de Oliveira

“…Fridericia chica, Bignoniaceae, is a tropical tree-creeper used as a traditional remedy for a number of diseases, highlighting inflammation. Our objective was…”
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[1-8-NαC]-Zanriorb A1, a Proapoptotic Orbitide from Leaves of Zanthoxylum riedelianum by dos S. Beirigo, Pâmela J, Torquato, Heron F. V, dos Santos, Carlos H. C, Carvalho, Mário G. de, Castro, Rosane N, Paredes-Gamero, Edgar J, de Sousa, Paulo T, Jacinto, Marcos J, da Silva, Virgínia C

“…A new orbitide named [1-8-NαC]-zanriorb A1 (1) was isolated and characterized from the leaves of Zanthoxylum riedelianum using NMR and mass spectrometry. The…”
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Chemical constituents and antileukemic activity of Eugenia dysenterica by Vitek, Renan, de Novais, Leice M. R., Torquato, Heron F. V., Paredes-Gamero, Edgar J., de Carvalho, Mário G., de Sousa, Paulo T., Jacinto, Marcos J., da Silva, Virgínia C.

“…The study about Eugenia dysenterica led to the isolation of 3-acetyl-urs-12-en-28-oic (1), 3-acetyl-olean-12-en-28-oic acid (2) and isoquercetin (3) from the…”
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New Acetogenins from the Seeds of Annona coriacea by da C. Alves, Thayana, Gonçalves, Mariele R. S., Correia, Francyne C. S., da Silva, Virgínia C., de Sousa Jr, Paulo T., de Carvalho, Mário G., Braz-Filho, Raimundo, Dall'Oglio, Evandro L.

“…From the hexane and MeOH extracts of Annona coriacea Mart. (Annonaceae) seeds, two novel acetogenins, coriapentocins A and B (1 and 2, resp.) were isolated…”
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Eglerisine, a Novel Sesquiterpenoid Tropolone from Dulacia egleri with Antiproliferative Effect against an Acute Myeloid Leukemia Lineage by R de Novais, Leice M, Ferreira, Luiz F, de Sousa, Jr, Paulo T, Ribeiro, Tereza A N, Jacinto, Marcos J, Dos Santos, Carlos H C, de Carvalho, Mário G, Torquato, Heron F V, Paredes-Gamero, Edgar J, Silva, Virgínia C P

“…Chemical investigation of the stems of resulted in the isolation of eglerisine (1: ), a compound with a rare sesquiterpenoid tropolone skeleton. Its structure…”
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Compounds from the Root Bark of Bowdichia virgilioides by Kauffmann, Angelica C., Sousa, Mayara C., Ribeiro, Tereza A. N., Jacinto, Marcos J., Sousa Junior, Paulo T., Silva, Virginia C. P.

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Flavonoids from Combretum lanceolatum Pohl by Araujo, Lais Cobianchi J., da Silva, Virgínia C., Dall'Oglio, Evandro L., Teixeira de Sousa, Paulo

“…This work describes the isolation and characterization of four flavonoids from the methanolic extract of the flowers of Combretum lanceolatum. Their structures…”
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6-acetonyl-N-methyl-dihydrodecarine, a new alkaloid from Zanthoxylum riedelianum by Fernandes, Carromberth C., Vieira, Paulo C., Silva, Virgínia C. da, Dall'Oglio, Evandro L., Silva, Luiz E. da, Sousa Jr, Paulo T. de

“…A new benzophenanthridine alkaloid, 6-acetonyl-N-methyl-dihydrodecarine was isolated from Zanthoxylum riedelianum roots together with lupeol,…”
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New iodine derivatives of flavonol and isoflavone by Carvalho, Mário G. de(Universidade Federal Rural do Rio de Janeiro ICE Departamento de Química), Silva, Virginia C. da(Universidade Federal Rural do Rio de Janeiro ICE Departamento de Química), Silva, Tânia M.S. da(Universidade Federal Rural do Rio de Janeiro ICE Departamento de Química,UFBA CAT IMS), Camara, Celso A.(Núcleo Complexo Produtivo de Saúde Departamento de Química), Braz-Filho, Raimundo(Universidade Federal Rural do Rio de Janeiro ICE Departamento de Química,Universidade Estadual Norte Fluminense Darcy Ribeiro CCT LCQUI)

“…The reaction of the flavonol 3,7,3', 4'-tetra-O-methylquercetin (1) and of the isoflavone 7,4'-di-O-methylgenistein (2) with alkaline iodine in methanol…”
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Atividade anti-helmíntica dos flavonóides isolados das raízes de Andira anthelmia (Leguminosae) by Silva, Virgínia C. da, Carvalho, Mário G. de, Borba, Hélcio R., Silva, Sandra L. C.

“…As cascas e as raízes de A. anthelmia têm sido utilizadas tradicionalmente como vermífugas. Um estudo biomonitorado do extrato metanólico das raízes de A…”
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Isovitexin as marker and bioactive compound in the antinociceptive activity of the Brazilian crude drug extracts of Echinodorus scaber and E. grandiflorus by Strada, Claudia Lea, Lima, Karoline da C., Silva, Virginia C. da, Ribeiro, Reginaldo V., Dores, Eliana F.G. de C., Dall’Oglio, Evandro L., Schmeda-Hirschmann, Guillermo, Carollo, Carlos A., Martins, Domingos T.O., Sousa, Paulo Teixeira de

“…[Display omitted] Echinodorus scaber Rataj and Echinodorus grandiflorus (Cham. & Schltdl.) Micheli, Alismataceae, are popularly used to relieve inflammatory…”
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4′-Hydroxy-6,7-methylenedioxy-3-methoxyflavone: A novel flavonoid from Dulacia egleri with potential inhibitory activity against cathepsins B and L by de Novais, Leice M.R., de Arueira, Cauane C.O., Ferreira, Luiz F., Ribeiro, Tereza A.N., Sousa, Paulo T., Jacinto, Marcos J., de Carvalho, Mário G., Judice, Wagner A.S., Jesus, Larissa O.P., de Souza, Aline A., Torquato, Heron F.V., Paredes-Gamero, Edgar J., Silva, Virginia C.

“…A new flavone, 4′-hydroxy-6,7-methylenedioxy-3-methoxyflavone 1, and two other nucleosides, ribavirin 2 and adenosine 3, were isolated from the leaves of…”
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Atividade anti-helmíntica dos flavonóides isolados das raízes de Andira anthelmia (Leguminosae) by Silva, Virgínia C. da, Carvalho, Mário G. de, Borba, Hélcio R., Silva, Sandra L. C.

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Eleocarpanthraquinone, a novel anthraquinone from Rhamnidium elaeocarpum (Rhamnaceae) by Kauffmann, Angélica C., Oliveira, Rhayssa G.S.P., Dourado, Thainara A., Soares, Iuri N., de Sousa, Paulo T., Ribeiro, Tereza A.N., Jacinto, Marcos J., de Souza, Gabriel L.C., Judice, Wagner A. de S., Emiliano, Marli de F.C., Vianna, Luan dos S., de Carvalho, Mário G., Silva, Virgínia C.P.

“…[Display omitted] •First report of new anthrone-anthraquinone from the stem bark of Rhamnidium elaeocarpum.•Eleocarpanthraquinone (1) exhibited inhibition of…”
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Chemical constituents from roots of Duguetia furfuracea (A. St.-Hil.) Saff. (Annonaceae) by Santos, Thiara C.B., de Oliveira, Rennan C., de Vasconcelos, Leonardo G., Sousa, Paulo T. de, Silva, Virgínia C.P., de Carvalho, Mário G., Ribeiro, Tereza A.N.

“…The phytochemical investigation of roots of Duguetia furfuracea (A. St.-Hil.) Saff. (Annonaceae) led to the isolation of α-asarone (1), asaraldehyde (2),…”
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A new derivative of dihydroochnaflavone isolated from Luxemburgia species (Ochnaceae) and the complete ¹H and 13C NMR chemical shifts assignments by Carvalho, Mario G. de, Silva, Virginia C., Rocha Jr, José G. da

“…The biflavonoid 2",3"-dihydroochnaflavone, isolated from the Luxemburgia species (Ochanaceae), was treated with diazomethane to obtain the trimethyl-ether that…”
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