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Page 1
Triterpene saponins from Billia rosea.
De Freitas L, Jimenez D, Pimentel S, Mitaine-Offer AC, Pouységu L, Quideau S, Paululat T, Gonzalez-Mujica F, Rojas LB, Rodríguez M, Lacaille-Dubois MA. De Freitas L, et al. Phytochemistry. 2017 Sep;141:105-113. doi: 10.1016/j.phytochem.2017.04.023. Epub 2017 Jun 7. Phytochemistry. 2017. PMID: 28599241
Their structures were elucidated on the basis of extensive 1D and 2D NMR experiments ((1)H, (13)C, DEPT, COSY, TOCSY, NOESY, ROESY, HSQC, and HMBC) and mass spectrometry as (3beta,21beta,22alpha)-3-[(2-O-beta-D-glucopyranosyl-O-[alpha-L-arabinopyranosyl-(1 4)]-beta-D-gluco …
Their structures were elucidated on the basis of extensive 1D and 2D NMR experiments ((1)H, (13)C, DEPT, COSY, TOCSY, NOESY, ROESY, HSQC, an …
Acylated oleanane-type saponins from Ganophyllum giganteum.
Montes EG, Mitaine-Offer AC, Amaro-Luis JM, Paululat T, Delaude C, Pouységu L, Quideau S, Rojas LB, Delemasure S, Dutartre P, Lacaille-Dubois MA. Montes EG, et al. Phytochemistry. 2014 Feb;98:236-42. doi: 10.1016/j.phytochem.2013.11.003. Epub 2013 Dec 30. Phytochemistry. 2014. PMID: 24388676
Five oleanane-type saponins, 3-O-beta-D-glucuronopyranosylzanhic acid 28-O-beta-D-xylopyranosyl-(13)-[alpha-L-rhamnopyranosyl-(12)]-(4-O-acetyl)-beta-D-fucopyranosyl ester (1), 3-O-beta-D-glucopyranosylzanhic acid 28-O-beta-D-xylopyranosyl-(13)-[alpha-L-rhamnopyrano …
Five oleanane-type saponins, 3-O-beta-D-glucuronopyranosylzanhic acid 28-O-beta-D-xylopyranosyl-(13)-[alpha-L-rhamnopyranosyl-(12)]-( …
Steroidal saponins from the fruits of Solanum torvum.
Colmenares AP, Rojas LB, Mitaine-Offer AC, Pouységu L, Quideau S, Miyamoto T, Tanaka C, Paululat T, Usubillaga A, Lacaille-Dubois MA. Colmenares AP, et al. Phytochemistry. 2013 Feb;86:137-43. doi: 10.1016/j.phytochem.2012.10.010. Epub 2012 Dec 5. Phytochemistry. 2013. PMID: 23218611
Their structures were established by 2D NMR spectroscopic techniques ((1)H,(1)H-COSY, TOCSY, NOESY, HSQC, and HMBC) and mass spectrometry as (25S)-26-(beta-D-glucopyranosyloxy)-3-oxo-5alpha-furost-20(22)-en-6alpha-yl-O-beta-D-xylopyranoside (1), (25S)-26-(beta-D-glucopyranosyloxy …
Their structures were established by 2D NMR spectroscopic techniques ((1)H,(1)H-COSY, TOCSY, NOESY, HSQC, and HMBC) and mass spectrometry as …
Synthesis and leishmanicidal evaluation of sulfanyl- and sulfonyl-tethered functionalized benzoate derivatives featuring a nitroimidazole moiety.
Rodríguez M, Gutiérrez J, Domínguez J, Peixoto PA, Fernández A, Rodríguez N, Deffieux D, Rojas L, Quideau S, Pouységu L, Charris J. Rodríguez M, et al. Arch Pharm (Weinheim). 2020 May;353(5):e2000002. doi: 10.1002/ardp.202000002. Epub 2020 Mar 16. Arch Pharm (Weinheim). 2020. PMID: 32180262
All the 26 synthetic compounds were examined for in vitro activity against Leishmania (V.) braziliensis and Leishmania (L.) mexicana, and some of them displayed an efficient antileishmanial activity. ...
All the 26 synthetic compounds were examined for in vitro activity against Leishmania (V.) braziliensis and Leishmania (L.) mexicana, …
Oleanane-type glycosides from Pittosporum tenuifolium "variegatum" and P. tenuifolium "gold star".
Rengifo Carrillo M, Mitaine-Offer AC, Miyamoto T, Tanaka C, Pouységu L, Quideau S, Rojas LB, Rosquete Porcar C, Lacaille-Dubois MA. Rengifo Carrillo M, et al. Phytochemistry. 2017 Aug;140:166-173. doi: 10.1016/j.phytochem.2017.04.013. Epub 2017 May 10. Phytochemistry. 2017. PMID: 28500929
Their structures were established by 2D NMR spectroscopic techniques and mass spectrometry as 3-O-beta-D-galactopyranosyl-(1 2)-[alpha-L-arabinopyranosyl-(1 3)]-beta-D-glucuronopyranosyl-21-O-angeloyl-22-O-acetylbarringtogenol C, 3-O-beta-D-galactopyranosyl-(1 2)-[alpha- …
Their structures were established by 2D NMR spectroscopic techniques and mass spectrometry as 3-O-beta-D-galactopyranosyl-(1 2)-[alpha-L …
Synthesis of [7]Helicene Enantiomers and Exploratory Study of Their Conversion into Helically Chiral Iodoarenes and Iodanes.
Antien K, Pouységu L, Deffieux D, Massip S, Peixoto PA, Quideau S. Antien K, et al. Chemistry. 2019 Feb 21;25(11):2852-2858. doi: 10.1002/chem.201805761. Epub 2019 Jan 29. Chemistry. 2019. PMID: 30589145
The facile and convenient preparation of both enantiomers of a [7]helicene scaffold from inexpensive (l)-(+)-tartaric acid and 4-methylstyrene is described. These helical structures were transformed into bis-iodinated ether derivatives in order to explore their potential a …
The facile and convenient preparation of both enantiomers of a [7]helicene scaffold from inexpensive (l)-(+)-tartaric acid and 4-meth …