Zobrazeno 1 - 9
of 9
pro vyhledávání: '"Juan Manuel Amaro-Luis"'
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
Autor:
Ana A. Pinto, Antonio Ruano-González, Abdellah Ezzanad, Cristina Pinedo-Rivilla, Rosario Sánchez-Maestre, Juan Manuel Amaro-Luis
Publikováno v:
Metabolites, Vol 12, Iss 12, p 1292 (2022)
Baccharis genus Asteraceae is widely used in traditional treatment against fever, headache, hepatobiliary disorders, skin ulcers, diabetes, and rheumatism, as well as an antispasmodic and diuretic. Its phytochemistry mainly shows the presence of flav
Externí odkaz:
https://doaj.org/article/5ee4293a50704bf69ae8d4f2943a0b2b
Autor:
J. Andrés Abad-Reyes, José Luis López-Pérez, Carolina Santiago, Paulino Delgado, Alí Bahsas, Juan Manuel Amaro-Luis, Esther del Olmo
Publikováno v:
Avances en Química, Vol 3, Iss 1, Pp 27-34 (2008)
In an unsuccessful attempt to prepare through several routes the 7-deoxo-7-methylene-homothuriferic acid methyl ester from podophyllotoxone, using the Takai reaction, several unexpected products were obtained. In this paper the reaction sequences use
Externí odkaz:
https://doaj.org/article/7ee8987efe9b46b5bc2b343675c58622
Publikováno v:
Avances en Química, Vol 1, Iss 3, Pp 35-37 (2006)
From a hexane extract of avocado pulp (Persea americana Mill.), an 1:3 mixture of 2-(heptadec-16-enyl)- and 2-(heptadec-16-ynyl)-4-hydroxy -tetrahydrofurans was characterized by NMR techniques. These compounds have not been previously reported from n
Externí odkaz:
https://doaj.org/article/73ae4326f4924664ab1c922075041ef4
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
Publikováno v:
Biochemical Systematics and Ecology. 77:57-60
The known chalcones 2’,3,4-trihydroxychalcone ( 1 ), phloretin ( 2 ) and calomelanone ( 3 ) were isolated from the dry leaves and stems of Stevia lucida . These compounds were structurally characterized by analysis of their spectroscopic data (1D a
Autor:
Elier, Galarraga, Anne-Claire, Mitaine-Offer, Juan Manuel, Amaro-Luis, Tomofumi, Miyamoto, Chiaki, Tanaka, Laurent, Pouységu, Stéphane, Quideau, Luis B, Rojas, Marie-Aleth, Lacaille-Dubois
Publikováno v:
Natural product communications. 6(12)
Seven spirostane and furostane-type glycosides were isolated from the aqueous methanolic extract of the fruits of Cestrum ruizteranianum and characterized mainly by 2D NMR spectroscopy and mass spectrometry. These known saponins belong to the delta5-
Autor:
Elier, Galarraga, Anne-Claire, Mitaine-Offer, Juan Manuel, Amaro-Luis, Tomofumi, Miyamoto, Laurent, Pouységu, Stéphane, Quideau, Luis B, Rojas, Marie-Aleth, Lacaille-Dubois
Publikováno v:
Natural product communications. 5(5)
Four known serjanic acid glycosides were isolated from the fruits of Phytolacca rugosa and characterized mainly by 2D NMR spectroscopy and mass spectrometry. This aglycon has a chemotaxonomic significance for the genus Phytolacca.
Publikováno v:
Chimie organique. Université de Bordeaux; Universidad de los Andes (Mérida, Venezuela), 2017. Français. ⟨NNT : 2017BORD0903⟩
Chemical transformations were performed on terpenoids isolated from plants of the Asteraceae fami ly belonging to the flora of the Venezuelan Andes. From Stevia lucida Lagasca was obtained the sesquiterpene 7β,9α-dihydroxylongipin-2-en-1-one. The s
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=od_______212::cdc71cc25d17f9f3fca56ccc4d99af32
https://tel.archives-ouvertes.fr/tel-01827244
https://tel.archives-ouvertes.fr/tel-01827244