Zobrazeno 1 - 10
of 19
pro vyhledávání: '"Antônio Cláudio da Silva Lins"'
Autor:
Analúcia Guedes Silveira Cabral, Fábio Henrique Tenório-Souza, Marcelo Dantas Moura, Sabrina Gondim Ribeiro Mota, Antônio Cláudio da Silva Lins, Celidarque da Silva Dias, José Maria Barbosa-Filho, Ana Maria Giulietti, Tania Maria Sarmento da Silva, Creusioni Figueredo dos Santos
Publikováno v:
Química Nova, Vol 35, Iss 11, Pp 2222-2225 (2012)
Our study reports the extraction and isolation of a new phaeophytin derivative 15¹-hydroxy-(15¹-S)-porphyrinolactone, designated anamariaine (1) herein, isolated from the chloroform fraction of aerial parts of Thyrsacanthus ramosissimus Moric. alon
Externí odkaz:
https://doaj.org/article/ff85ed33b821448f9b538c62c9b2e371
Autor:
Narlize Silva Lira, Rubens L. Monte-Neto, João Guilherme B. Marchi, Antônio Cláudio da Silva Lins, Josean Fechine Tavares, Marcelo Sobral da Silva, Celidarque da Silva Dias, José Maria Barbosa-Filho, Creusioni Figueredo dos Santos, Emídio Vasconcelos Leitão da Cunha, Ulisses dos Santos Pinheiro, Raimundo Braz-Filho
Publikováno v:
Química Nova, Vol 35, Iss 11, Pp 2189-2193 (2012)
The new dibromotyrosine derivative 3,5-dibromo-4-[3'dimethylamonium]propoxyphenyl]-N,N,N-trimethylethanamonium, here referred to as aplysfistularine (1), was isolated from the marine sponge Aplysina fistularis along with 2-(3,5-dibromo-4methoxyphenyl
Externí odkaz:
https://doaj.org/article/45a6b4ae1eb743d4a996ec967e46d780
Autor:
Davi Antas e Silva, Tânia Maria Sarmento da Silva, Antônio Cláudio da Silva Lins, Danielly Albuquerque da Costa, José Marcílio Sobral Cavalcante, Wemerson Neves Matias, Maria de Fátima Vanderlei de Souza, Raimundo Braz Filho
Publikováno v:
Química Nova, Vol 29, Iss 6, Pp 1250-1254 (2006)
The phytochemical investigation of Sida galheirensis led to the isolation of 5,4'-dihydroxy-3,7,3´-trimethoxyflavone, 17³-ethoxyphaeoforbide, a rare natural product, 6,7-dimethoxycoumarin, ortho-hydroxybenzoic acid, sitosterol-3-O-beta-D-glucopyran
Externí odkaz:
https://doaj.org/article/78106bf1ee23479f8626400ec8601f4d
Autor:
Amanda de Melo Bezerra, Antônio Cláudio da Silva Lins, Petrônio Filgueiras de Athayde-Filho, Marcelo Sobral da Silva, José Maria Barbosa-Filho, Celso Amorim Camara, Tania Maria Sarmento Silva, Vanessa da Silva Luna, Creusioni Figueredo dos Santos
Publikováno v:
Química Nova, Vol 35, Iss 11, Pp 2226-2228 (2012)
Seven natural neolignans isolated from Licaria chrysophylla and Licaria aurea along with five semisynthetic derivatives were tested for their inhibitory action on DNA-topoisomerase by relaxation assays on pBR322 plasmid DNA. All compounds tested show
Externí odkaz:
https://doaj.org/article/78269557ae70491b9988704f3eaf8950
Autor:
Tulio Flavio de Lima Moura, Fernanda Grace A. Vargas, Cícero Flávio Soares Aragão, Klécia M. Santos, Celso A. Camara, Lyghia Maria Araújo Meirelles, Raquel de Melo Barbosa, Antônio Cláudio da Silva Lins, Fernanda Nervo Raffin
Publikováno v:
Journal of Thermal Analysis and Calorimetry. 146:2523-2532
Beta-lapachone (βlap) is a naphthoquinone derived from Lapachol, a substance extracted from the Bignoniaceae family of trees, genus Tabebuia; found in the Northern and Northeastern regions of Brazil. βlap shows excellent pharmacological activity as
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::61f2bb8c8d8f7b225a00a5a3106d85e1
https://doi.org/10.1007/s10973-020-10473-9
https://doi.org/10.1007/s10973-020-10473-9
Autor:
Celso A. Camara, Julia F. Campos, Gardenia C.G. Militão, Tania M. S. Silva, Cibelle C. David, Teresinha Gonçalves da Silva, Antônio Cláudio da Silva Lins
Publikováno v:
Journal of the Brazilian Chemical Society, Volume: 30, Issue: 1, Pages: 18-8, Published: JAN 2019
Journal of the Brazilian Chemical Society v.30 n.1 2019
Journal of the Brazilian Chemical Society
Sociedade Brasileira de Química (SBQ)
instacron:SBQ
Journal of the Brazilian Chemical Society v.30 n.1 2019
Journal of the Brazilian Chemical Society
Sociedade Brasileira de Química (SBQ)
instacron:SBQ
A modified and efficient Knoevenagel condensation procedure was developed to synthesize the title compounds using β-alanine and acetic acid as catalysts, showing good to excellent yields. We used lawsone with suitable aliphatic aldehydes including i
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d3e8c5fd46b4f7390a2aed7bef7eaaac
https://doi.org/10.21577/0103-5053.20180146
https://doi.org/10.21577/0103-5053.20180146
Autor:
Klécia Morais dos Santos, Raquel de Melo Barbosa, Eduardo Pereira de Azevedo, Celso A. Camara, Fernanda Nervo Raffin, Antônio Cláudio da Silva Lins, Tulio Flávio Accioly de Lima e Moura, Cícero Flávio Soares Aragão, Fernanda Grace A Vargas
Publikováno v:
Drug development and industrial pharmacy. 44(5)
β-lapachone (βlap) has shown potential use in various medical applications. However, its poor solubility has limited its systemic administration and clinical applications. The aim of this work is to develop solid dispersions of βlap using poly (et
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ee390e327cf39554757c531cbc0bf3b3
https://pubmed.ncbi.nlm.nih.gov/29206496
https://pubmed.ncbi.nlm.nih.gov/29206496
Autor:
Tânia R. S. Silva, Dayse Santos Almeida Cassiano, Carla Rodrigues Cardoso Branco, Alexsandro Branco, Antônio Cláudio da Silva Lins, Tania M. S. Silva, Fernanda S. Magalhães
Publikováno v:
Free Radicals and Antioxidants. 4:15-23
Introduction: The genus Solanum is the most representative of the Solanaceae families and is considered one of the largest and most diverse among the Angiosperms. Chemotaxonomic studies have recognised the genus Solanum as a source of phenolic compou
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b3dcff30f08cb8a5fae97908e345d782
https://doi.org/10.5530/fra.2014.1.4
https://doi.org/10.5530/fra.2014.1.4
Autor:
Maria de Fátima Agra, Tania M. S. Silva, Celso A. Camara, Clécio S. Ramos, Antônio Cláudio da Silva Lins, Maria J. Sarmento-Filha
Publikováno v:
Chemistry of Natural Compounds. 49:685-690
An investigation of the root bark of Bauhinia pentandra (Fabaceae) led to the isolation and characterization of the cyanoglucoside riachin (1). The structure of 1 was established from the IR, HR-ESI-MS, and NMR spectral data, including 2D NMR experim
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ced4974779600a379570de9afe73f604
https://doi.org/10.1007/s10600-013-0707-9
https://doi.org/10.1007/s10600-013-0707-9
Autor:
Tania M. S. Silva, Maria Taciana Ralph, Marcilio M de Moraes, José Vitor Lima-Filho, Antônio Cláudio da Silva Lins, Raquel G Silvestre, Celso A. Camara
Publikováno v:
African Journal of Biotechnology; Vol 11, No 41 (2012); 9888-9893
In recent decades, the essential oils of plants have drawn great interest as sources of natural products. Essential oil from the fruits of Vismia guianensis was tested for its chemical constituents and antimicrobial and antioxidant activities. Gas ch
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::62292eae60bf8b63f999ad33f4fea517
https://www.ajol.info/index.php/ajb/article/view/138539
https://www.ajol.info/index.php/ajb/article/view/138539