Zobrazeno 1 - 10
of 19
pro vyhledávání: '"Petronio Filgueiras de Athayde-Filho"'
Autor:
Petronio Filgueiras de Athayde-Filho, Jose Maria Barbosa-Filho, Vivyanne dos Santos Falcão-Silva, Jose Pinto Siqueira-Junior, Bruno Freitas Lira, Cledualdo Soares de Oliveira
Publikováno v:
Molecules, Vol 17, Iss 5, Pp 5095-5107 (2012)
Five new 1-(2-(5-nitrofuran-2-yl)-5-(aryl)-1,3,4-oxadiazol-3-(2H)-yl) ethanone compounds 5a–e were synthesized by cyclization of N-acylhydrazones 4a–e with acetic anhydride under reflux conditions. Their structures were fully characterized by IR,
Externí odkaz:
https://doaj.org/article/ffcd3eceebb74c38840656e1d91e95e4
Autor:
Jose Maria Barbosa-Filho, Celidarque da Silva Dias, Luis Cezar Rodrigues, Narlize Silva Lira, Petronio Filgueiras de Athayde-Filho, Emidio V. L. da Cunha, Josean Fechine Tavares, Ricardo Carneiro Montes, Marcelo Sobral da Silva
Publikováno v:
Marine Drugs, Vol 9, Iss 11, Pp 2316-2368 (2011)
Aplysina is the best representative genus of the family Aplysinidae. Halogenated substances are its main class of metabolites. These substances contribute greatly to the chemotaxonomy and characterization of the sponges belonging to this genus. Due t
Externí odkaz:
https://doaj.org/article/929ce20160784025ad74481a1d04be43
Autor:
Petronio Filgueiras de Athayde-Filho, Jose Maria Barbosa-Filho, Fabiana Lima Silva, Dominique Corinne Hermine Fischer, Marcelo Sobral Silva, Josean Fechine Tavares
Publikováno v:
Molecules, Vol 16, Iss 2, Pp 1070-1102 (2011)
Bidens pilosa L. is a cosmopolitan annual herb, known for its traditional use in treating various diseases and thus much studied for the biological activity of its extracts, fractions and isolated compounds. Polyacetylenes and flavonoids, typical met
Externí odkaz:
https://doaj.org/article/b2928a31e7dc4107b5044408e0904767
Autor:
Indira C. B. Pires, Samia I. Shuchi, Braulio de V. A. Tostes, Dayane K. D. do N. Santos, William L. Burnett, Burke C. Leonce, Omar R. Harvey, Jeffery L. Coffer, Idio Alves de Sousa Filho, Petrônio Filgueiras de Athayde-Filho, Severino A. Junior, J. Michael Mathis
Publikováno v:
International Journal of Molecular Sciences, Vol 25, Iss 15, p 8097 (2024)
Advanced breast cancer remains a significant oncological challenge, requiring new approaches to improve clinical outcomes. This study investigated an innovative theranostic agent using the MCM-41-NH2-DTPA-Gd3⁺-MIH nanomaterial, which combined MRI i
Externí odkaz:
https://doaj.org/article/fc3180f367264fcbbb0418e3617f2306
Autor:
Rafael Carlos Ferreira, Tatianne Mota Batista, Sâmia Sousa Duarte, Daiana Karla Frade Silva, Thaís Mangeon Honorato Lisboa, Raquel Fragoso Pereira Cavalcanti, Fagner Carvalho Leite, Vivianne Mendes Mangueira, Tatyanna Kélvia Gomes de Sousa, Renata Albuquerque de Abrantes, Emmely Oliveira da Trindade, Petrônio Filgueiras de Athayde-Filho, Maria Cláudia Rodrigues Brandão, Karina Carla de Paula Medeiros, Davi Felipe Farias, Marianna Vieira Sobral
Publikováno v:
Biomedicine & Pharmacotherapy, Vol 128, Iss , Pp 110247- (2020)
Structural diversity characterizes natural products as prototypes for design of lead compounds. The aim of this study was to synthetize, and to evaluate the toxicity and antitumor action of a new piperine analogue, the butyl 4-(4-nitrobenzoate)-piper
Externí odkaz:
https://doaj.org/article/99e05efa6cdc4eb3b28a4e1491bbd39c
Publikováno v:
Synthesis; Apr2003, Vol. 2003 Issue 5, p0685-0690, 6p
Autor:
Ronaldo Bezerra de Queiroz, Fabíola Lélis de Carvalho, Diogo Vilar da Fonsêca, José Maria Barbosa-Filho, Paula Regina Rodrigues Salgado, Luciano Leite Paulo, Ana Bárbara Maroja de Queiroz, Liana Clébia de Morais Pordeus, Severino Araújo de Souza, Helivaldo Diogenes da Silva Souza, Bruno Freitas Lira, Petrônio Filgueiras de Athayde-Filho
Publikováno v:
Molecules, Vol 20, Iss 1, Pp 974-986 (2015)
Imidazolidine derivatives, or hydantoins, are synthetic compounds with different therapeutic applications. Many imidazolidine derivatives have psychopharmacological properties, such as phenytoin, famous for its anticonvulsant efficacy, but also effec
Externí odkaz:
https://doaj.org/article/6fedab0b078a4cb28b60c96a6571ceb1
Autor:
Petrônio Filgueiras de Athayde-Filho, Jorge Gonçalo Fernandez Lorenzo, José Maria Barbosa-Filho, Bruno Freitas Lira, Cledualdo Soares de Oliveira
Publikováno v:
Molecules, Vol 17, Iss 9, Pp 10192-10231 (2012)
This review provides readers with an overview of the main synthetic methodologies for 1,3,4-oxadiazole derivatives, and of their broad spectrum of pharmacological activities as reported over the past twelve years.
Externí odkaz:
https://doaj.org/article/5b8c47a179574c8c8131fc85d02062c2
Autor:
Leonia Maria Batista, Petrônio Filgueiras de Athayde-Filho, Marcelo Sobral da Silva, Josean Fechine Tavares, Jose Maria Barbosa-Filho, Gedson Rodrigues de Morais Lima, Thiago Jose de Almeida Leite, Heloina de Souza Falcão, Isis Fernandes Gomes, Neyres Zinia Taveira de Jesus
Publikováno v:
International Journal of Molecular Sciences, Vol 13, Iss 3, Pp 3203-3228 (2012)
This review of the current literature aims to study correlations between the chemical structure and gastric anti-ulcer activity of tannins. Tannins are used in medicine primarily because of their astringent properties. These properties are due to the
Externí odkaz:
https://doaj.org/article/99ac264c91b14d14a8ecdfc5b73e2f17
Autor:
Margareth de Fátima Formiga Melo Diniz, José Maria Barbosa Filho, Petrônio Filgueiras de Athayde-Filho, Marcelo Sobral da Silva, Josean Fechine Tavares, Augusto Lopes Souto
Publikováno v:
Molecules, Vol 16, Iss 10, Pp 8515-8534 (2011)
Many natural substances with proven anti-inflammatory activity have been isolated throughout the years. The aim of this review is to review naturally sourced alkaloids with anti-inflammatory effects reported from 2000 to 2010. The assays were conduct
Externí odkaz:
https://doaj.org/article/e95a92a5de8a456dae34ba15c0b23e98