Zobrazeno 1 - 6
of 6
pro vyhledávání: '"Luiz C.A. Barbosa"'
Autor:
Diego Rodríguez-Hernández, Antonio J. Demuner, Amalyn Nain-Perez, Luiz C.A. Barbosa, Alberto Oliveros-Bastidas
Publikováno v:
Avances en Ciencias e Ingeniería, Vol 5, Iss 3, Pp 61-81 (2014)
Este trabajo enmarca una revisión fitoquímica de la familia Dipsacaceae y los aportes a su sistemática. La química es diversificada para las 89 especies consideradas, triterpenos glicosidados, flavonoides, iridoides y fenil propanoides fueron sel
Externí odkaz:
https://doaj.org/article/761a5631e3234595b7e8283af83f6183
Autor:
Alberto Oliveros-Bastidas, Francisco A. Macías, David Marín, José M.G. Molinillo, Luiz C.A. Barbosa, Antonio J. Demuner
Publikováno v:
Avances en Ciencias e Ingeniería, Vol 3, Iss 4, Pp 47-67 (2012)
Este trabajo se estudió la biotransformación de 2-hidroxi-(2H)-1,4-benzoxazin-3(4H)-ona (HBOA) en suelo. Se encontró una constante de velocidad (K) de 0,184 ± 0,003 días-1 y vid a media (t½) de 3,76 ± 0,06 días, considerando una cinética de
Externí odkaz:
https://doaj.org/article/548c481b56bd48f4b32b36b6629ad35b
Autor:
Jeferson C. Nascimento, Luiz C.A. Barbosa, Vanderlucia F. Paula, Jorge M. David, Renato Fontana, Luiz A.M. Silva, Robson S. França
Publikováno v:
Anais da Academia Brasileira de Ciências, Vol 83, Iss 3, Pp 787-800 (2011)
This work describes the chemical composition and antimicrobial activity of the volatile oils of Ocimum canum and Ocimum selloi, both occurring in Jequié/BA, northeastern Brazil. The plants were collected in the winter/2005 andsummer/2006, the oils e
Externí odkaz:
https://doaj.org/article/39506e679b474dad85401b8240a1c149
Autor:
Júnio G. Silva, Tatiane F. Borgati, Samuel M.G. Lopes, Niels Heise, Sophie Hoenke, René Csuk, Luiz C.A. Barbosa
Publikováno v:
Bioorganic chemistry. 130
A series of 25 amides (15 new) derived from (3aR)-(+)-sclareolide were prepared and subjected to Ellman's assay to determine their efficacies as inhibitors for AChE or BuChE. Five amides (9, 13, 14, 15 and 17) caused inhibition of one of the enzymes
Autor:
Thais A. Moreira, Isabel V. Antolínez, Wagner O. Valença, Sweta Roy, Isabela Ramirez, Luiz C.A. Barbosa, Dacheng Ren
Publikováno v:
Bioorganicmedicinal chemistry letters. 57
Bacterial quorum sensing (QS) and biofilm formation are promising targets for developing new therapies to treat chronic infections. Herein, we report the stereoselective synthesis of 18 new analogs of natural cadiolides. Among the new compounds, subs
Synthesis and medicinal chemistry of tetronamides: Promising agrochemicals and antitumoral compounds
Publikováno v:
Bioorganic & Medicinal Chemistry. 67:116815
Butenolides and tetronic acids occupy a prominent position in synthetic chemistry due to their ubiquitous distribution in nature. This has stimulated investigations firstly in the synthesis of such systems and, laterly, the interest has turned to the