Zobrazeno 1 - 10
of 21
pro vyhledávání: '"Elier Galarraga"'
Autor:
Elier Galarraga, Andersson Mavares, Neudo Urdaneta, Rafael E. Rodríguez-Lugo, Juan Manuel Amaro-Luis
Publikováno v:
Natural Products and Bioprospecting, Vol 10, Iss 4, Pp 221-225 (2020)
Abstract The methanol extract form the leaves of Phytolacca icosandra L., afforded the unprecedented artificial triterpenoid fatty acid ester 1 derived from the new natural triterpenoid phytolaccagenic acid 3-O-myristate (1a), along with the three kn
Externí odkaz:
https://doaj.org/article/f7b6cb575a204368b57fcb6089025b74
Publikováno v:
Zeitschrift für Naturforschung B. 77:625-632
Sixteen serjanic acid derivatives were synthesized by modification of the A-ring of the triterpenoid skeleta. Fischer indolization of intermediate 2 with the requisite aromatic hydrazines afforded the indolo-triterpenes 8–13. Also, reaction of 2 wi
Autor:
Montes, Elier Galarraga, Mitaine-Offer, Anne-Claire, Amaro-Luis, Juan Manuel, Paululat, Thomas, Delaude, Clément, Pouységu, Laurent, Quideau, Stéphane, Rojas, Luis B., Delemasure, Stéphanie, Dutartre, Patrick, Lacaille-Dubois, Marie-Aleth
Publikováno v:
In Phytochemistry February 2014 98:236-242
Autor:
Elier Galarraga, Angel E. Santorelli, Neudo Urdaneta, André Rey-Cibati, Mariana Valladares-Delgado, Luis José Díaz-Pérez, Laura Milano-Franco, Gustavo Benaim
Publikováno v:
Journal of Molecular Structure. 1280:135081
Autor:
Vito Lubes, Yurgenis Henríquez, Vanessa R. Landaeta, Elier Galarraga, Rafael E. Rodríguez-Lugo, Lino Hernández, Neudo Urdaneta, Angel Santorelli, Mary Lorena Araujo
Publikováno v:
Physics and Chemistry of Liquids. 59:208-217
In this work, the ligand 2-methylquinoline-8-carboxylic acid (HL) was prepared using a modification of a previous protocol, and its protonation constants were studied. The stability constants of the binary nickel (II) – ligand L− and the ternary
Autor:
Katherine Figarella, Sabrina Marsiccobetre, Neudo Urdaneta, Nieves Canudas, Ivan Galindo-Castro, Julio Herrera, Elier Galarraga
Publikováno v:
Current Bioactive Compounds. 14:234-239
Publikováno v:
Natural Product Research. 30:89-94
Besides the known compounds ( ± ) 3,3-bis-demethylpinoresinol (2), americanol A (3), spergulagenic acid (4), epi-acetylaleuritolic acid (5), 6'-palmityl-α-spinateryl-d-glucoside (6a) and 6'-palmityl-δ(7)-stigmastenyl-d-glucoside (6b), a novel pelt
Autor:
Elier Galarraga Montes, Stéphane Quideau, Clément Delaude, Thomas Paululat, Juan Amaro-Luis, Luis B. Rojas, Laurent Pouységu, Patrick Dutartre, Anne Claire Mitaine-Offer, Marie-Aleth Lacaille-Dubois, Stéphanie Delemasure
Publikováno v:
Phytochemistry. 98:236-242
Five oleanane-type saponins , 3- O -β- D -glucuronopyranosylzanhic acid 28- O -β- D -xylopyranosyl-(1→3)-[α- L -rhamnopyranosyl-(1→2)]-(4- O -acetyl)-β- D -fucopyranosyl ester ( 1 ), 3- O -β- D -glucopyranosylzanhic acid 28- O -β- D -xylopy
Autor:
Elier Galarraga, Sherezade Gómez
Publikováno v:
Proceedings of 2nd International Electronic Conference on Medicinal Chemistry.
Pentacyclic triterpenes represent a very promising and expansive platform for bioactive natural products. Its potential has begun to be exploited by the pharmaceutical industry. The study of these secondary metabolites has been focused mainly in eval
Publikováno v:
Proceedings of 2nd International Electronic Conference on Medicinal Chemistry.
Between the functionalized chromones, 3-formylchromone is a highly reactive synthon used in many reactions due to the presence of electron-deficient centers at C-2, C-4 and the C-3 formyl group. Reaction of the -CHO group with nitrogen nucleophiles s