Zobrazeno 1 - 10
of 65
pro vyhledávání: '"WINSTON QUIÑONES"'
Publikováno v:
Heliyon, Vol 9, Iss 2, Pp e13082- (2023)
Derivatives of 3,9-dimethoxypterocarpan (1, homopterocarpin) were prepared by nitration, amination, and oxidation reactions, among others, and their antifungal activity was evaluated against the phytopathogenic fungi Colletotrichum gloeosporioides an
Externí odkaz:
https://doaj.org/article/4c44db9c33bd48628cb2099e28fec0e8
Autor:
Yulieth A. Upegui Zapata, Fernando Echeverri, Winston Quiñones, Fernando Torres, Montserrat Nacher, Luis I. Rivas, Camila dos Santos Meira, Lashitew Gedamu, Gustavo Escobar, Rosendo Archbold, Iván D. Vélez, Sara M. Robledo
Publikováno v:
International Journal for Parasitology: Drugs and Drug Resistance, Vol 13, Iss , Pp 94-106 (2020)
Toxicity and poor adherence to treatment that favors the generation of resistance in the Leishmania parasites highlight the need to develop better alternatives. Here, we evaluated the in vitro effectiveness of hydrazone derived from chromanes 2-(2,3-
Externí odkaz:
https://doaj.org/article/ca64bd65adeb48f08fa9a144a8907af4
Publikováno v:
Heliyon, Vol 8, Iss 2, Pp e08939- (2022)
Leishmaniasis, trypanosomiasis, and malaria are a group of neglected tropical diseases present in tropical regions and they affect large numbers of people in developing countries. A series of thirteen coumaro-chalcones (A1-A13) were synthesized under
Externí odkaz:
https://doaj.org/article/cc0e36edac6a4ea09d73331ddfd090c8
Autor:
Karen Gómez, Franklin Quenguan, Diego Aristizabal, Gustavo Escobar, Winston Quiñones, Olimpo García-Beltrán, Diego Durango
Publikováno v:
Heliyon, Vol 8, Iss 2, Pp e08979- (2022)
Common bean (Phaseolus vulgaris L.), soybean (Glycine max L.) and mung bean (Vigna radiata L. Wilczek) seedlings were treated with methyl jasmonate (MeJA); then, dose-response and time-course experiments were carried out. Isoflavonoid composition was
Externí odkaz:
https://doaj.org/article/c09b41f0a177433da9102b229f67336f
Autor:
Andrea Isabel Trujillo-Correa, Diana Carolina Quintero-Gil, Fredyc Diaz-Castillo, Winston Quiñones, Sara M. Robledo, Marlen Martinez-Gutierrez
Publikováno v:
BMC Complementary and Alternative Medicine, Vol 19, Iss 1, Pp 1-16 (2019)
Abstract Background For decades, bioprospecting has proven to be useful for the identification of compounds with pharmacological potential. Considering the great diversity of Colombian plants and the serious worldwide public health problem of dengue
Externí odkaz:
https://doaj.org/article/fbd1e14a595240d1994c1151841fdf14
Autor:
Leidy Botero, Samuel Vizcaíno, Winston Quiñones, Fernando Echeverri, Jesús Gil, Diego Durango
Publikováno v:
Biotechnology Reports, Vol 29, Iss , Pp e00601- (2021)
Isoflavonoid phytoalexins (isoflavones: genistein, 2′-hydroxygenistein, and daidzein; isoflavanones: dalbergioidin and kievitone; coumestrol; pterocarpans: phaseollidin and phaseollin; and the isoflavan: phaseollinisoflavan) production in response
Externí odkaz:
https://doaj.org/article/4998e819468b402baf18378f7b73e6a5
Publikováno v:
Molecules, Vol 27, Iss 11, p 3500 (2022)
Eleven indanoyl derivatives were synthesized and, along with methyl jasmonate, evaluated as isoflavonoid-phytoalexin elicitors in two cultivars of common bean (Phaseolus vulgaris L. cvs. ICA-Cerinza and Uribe Rosado, tolerant and susceptible to anthr
Externí odkaz:
https://doaj.org/article/277c8ca6cba342e099982a6832454c57
Publikováno v:
Anais da Academia Brasileira de Ciências, Vol 90, Iss 2 suppl 1, Pp 1955-1971 (2018)
Abstract Time-course and dose-response experiments were carried out to establish the ability for synthesizing isoflavonoids of soybean seedlings (cv. Soyica P34) treated with salicylic (SA) and isonicotinic acids (INA). Then, 25 structurally-related
Externí odkaz:
https://doaj.org/article/e5a2b1fb7de7470192a0d1a9bbbcc892
Publikováno v:
Molecules, Vol 18, Iss 9, Pp 10609-10628 (2013)
In the present work, isoflavonoid phytoalexin production in response to the application of salicylic acid in cotyledons of four common bean (Phaseolus vulgaris) cultivars (SA) was evaluated. The time-course and dose-response profiles of the induction
Externí odkaz:
https://doaj.org/article/b9a5d9ed83fc46c3800f8a318ff328f0
Publikováno v:
Molecules, Vol 14, Iss 7, Pp 2491-2500 (2009)
Several aliphatic and aromatic lactones and two dimers were synthesized using the sequence: allylation - esterification - metathesis. These compounds were active in vitro against intracellular amastigotes of Leishmania panamensis. The structure-activ
Externí odkaz:
https://doaj.org/article/8d28ffbbcfa34d11944356eada6e1bc9