Zobrazeno 1 - 10
of 72
pro vyhledávání: '"Maria Lúcia B. Pinheiro"'
Autor:
André de Lima Barros, Emilly J. S. P. de Lima, Jéssica V. Faria, Leonard R. D. Acho, Emerson S. Lima, Daniel P. Bezerra, Elzalina R. Soares, Bruna R. de Lima, Emmanoel V. Costa, Maria Lúcia B. Pinheiro, Giovana A. Bataglion, Felipe M. A. da Silva, Nállaret M. Dávila Cardozo, José F. C. Gonçalves, Hector H. F. Koolen
Publikováno v:
Chemistry, Vol 4, Iss 4, Pp 1208-1225 (2022)
Essential oils from Amazonian species are gaining increasing interest worldwide due to their medicinal and cosmetic applications; however, the relation among the chemical constituents and their biological properties are not well explored. Therefore,
Externí odkaz:
https://doaj.org/article/65748dd5a35e47d7bdb7e76418ad5370
Autor:
Bruna R. de Lima, Juliana M. Lima, Jéssica B. Maciel, Carolina Q. Valentim, Rita de Cássia S. Nunomura, Emerson S. Lima, Hector H. F. Koolen, Afonso Duarte L de Souza, Maria Lúcia B. Pinheiro, Quezia B. Cass, Felipe Moura A. da Silva
Publikováno v:
Frontiers in Chemistry, Vol 7 (2019)
Secondary metabolites from natural products are a potential source of acetylcholinesterase inhibitors (AChEIs), which is a key enzyme in the treatment of many neurodegenerative diseases. Inspired by the reported activities of isoquinoline-derivative
Externí odkaz:
https://doaj.org/article/ebb538931c054b639b13494ee5ad1530
Autor:
Maria Lúcia B. Pinheiro, Arnaldo F. Imbiriba da Rocha, Marco A. do N. Fernandes, Francisco José Queiroz Monte, José Daniel Figueroa Villar, Elizabete Rangel Cruz
Publikováno v:
Química Nova, Vol 27, Iss 2, Pp 188-192 (2004)
The present communication reports the isolation and identification of three lignans from metanolic root extracts of Strychnos guianensis (Aublet) Mart.: olivil (1), cycloolivil (2) and the unknown derivative cycloolivil carbonate (3). From hexane ext
Externí odkaz:
https://doaj.org/article/22f3ee987f4542c692505f7a7907567a
Diversity of the diterpenes in the leaves of Xylopia laevigata (Annonaceae) and their cytotoxicities
Autor:
Emmanoel V. Costa, Marília F. C. Sampaio, Leociley R. A. Menezes, Lívia M. Dutra, Cinara O. S. Costa, Maria Lúcia B. Pinheiro, Felipe M. A. da Silva, Milena B. P. Soares, Daniel P. Bezerra, Andersson Barison, Hector H. F. Koolen
Publikováno v:
Química Nova, Vol 43, Iss 4, Pp 419-425
The phytochemical investigation of the hexane extract which was obtained from the leaves of Xylopia laevigata (Annonaceae) produced six terpenes. Among these, five diterpenes named abieta-7,13-dien-3-one, ent-7β-acetoxy-16β-hydroxy-kaurane, 4-epi-c
Externí odkaz:
https://doaj.org/article/4baf715ba4494ddf99f88ae7e9d8616c
Autor:
César A. S. de Souza, Victória B. Nardelli, Weider H. P. Paz, Maria Lúcia B. Pinheiro, Ana Carolina B. da C. Rodrigues, Larissa M. Bomfim, Milena B. P. Soares, Daniel P. Bezerra, Jamal da S. Chaar, Hector H. F. Koolen, Felipe M. A. da Silva, Emmanoel Vilaça Costa
Publikováno v:
Química Nova
The phytochemical investigation of the hexane and methanol extracts from the bark of Duguetia pycnastera Sandwith (Annonaceae) afforded seven known compounds, two asarone-derived phenylpropanoids and five isoquinoline-derived alkaloids. The asarones,
Externí odkaz:
https://doaj.org/article/8adfd1e96ee342c5b0b5e126cab18ad7
Autor:
Emmanoel V. Costa, Leociley R. Alencar Menezes, Lívia M. Dutra, Maria Lúcia B. Pinheiro, Érica M. Lavor, Mariana G. Silva, Cristiane dos S. C. Alves, Jackson R. G. S. Almeida, Felipe Moura A. da Silva, Hector H. F. Koolen, Andersson Barison
Publikováno v:
Zeitschrift für Naturforschung C. 78:169-177
In the present study, it was evaluated the chemical composition and the antinociceptive activity of the essential oil obtained from the leaves of Guatteria friesiana. Seven compounds corresponding to 96.2% of the crude essential oil were identified.
Autor:
Elzalina R. Soares, Richardson A. de Almeida, Bruna R. de Lima, Raimundo C. Pereira Junior, Flávio A. de Freitas, Hanna R. Mafra, Natalie F. Araujo, Jessica B. Maciel, Luana Quadros de S. Leão, Afonso Duarte L. de Souza, a Felipe Moura A. da Silva, Maria Lúcia B. Pinheiro
Publikováno v:
Revista Virtual de Química. 14:947-953
Autor:
André C. de Oliveira, Jessica Burlamaque Maciel, Maria Lúcia B. Pinheiro, Bruna R. de Lima, Elzalina R. Soares, Carromberth Carioca Fernandes, Richardson A. de Almeida, Afonso D. L. de Souza, Felipe M. A. da Silva, Wanderli Pedro Tadei, Hector H. F. Koolen
Publikováno v:
Natural Product Research. 35:1038-1041
The essential oil (EO) from the leaves of Onychopetalum periquino, obtained by hydrodistillation, was analyzed by gas chromatography coupled with mass spectrometry (GC-MS), and also was investigate...
Autor:
Alan D. C. Santos, Kahlil Schwanka Salomé, Andersson Barison, Francinete Ramos Campos, Maria Lúcia B. Pinheiro, Renilto F. Correa, Jaqueline de Araújo Bezerra, Emerson Silva Lima
Publikováno v:
Revista Virtual de Química. 11:255-263
Autor:
Emmanoel V. Costa, Guilherme Braule P. Lopes, Earle Silva A. Junior, Maria Lúcia B. Pinheiro, Daniel P. Bezerra, Renyer A. Costa, Kelson M.T. Oliveira
Publikováno v:
Journal of Molecular Structure. 1171:682-695
A theoretical and experimental DFT study of the vibrational, structural and quantum properties of annomontine ( 1 ) and N -hydroxyannomontine ( 2 ) alkaloids using the B3LYP exchange-correlation functional with 6-311G (2d, p) basis set is presented.