Zobrazeno 1 - 10
of 17
pro vyhledávání: '"O. S. Giordano"'
Publikováno v:
Molecules, Vol 5, Iss 3, Pp 605-607 (2000)
From the aerial parts of Conyza sophiaefolia a new alicyclic furan diterpene was isolated and characterized as an E-isomer in C6 of centipedic acid. In addition, the new clerodane type diterpene 12-epi-bacchotricuneatin A as well as two known related
Externí odkaz:
https://doaj.org/article/1d2e03cc5d1d46808882d459f60c4348
Publikováno v:
Molecules, Vol 5, Iss 3, Pp 426-427 (2000)
The pKa of monohydroxylated benzophenones was determined by UV spectroscopy. The values obtained are coherent with the resonant forms and hydrogen bond intramolecular of the analyzed compounds.
Externí odkaz:
https://doaj.org/article/5da67535f67547b78207855ea0e77640
Publikováno v:
Molecules, Vol 5, Iss 3, Pp 386-387 (2000)
Two new labdane-type diterpene glycoside, were isolated from the flowers of Baccharis medulosa DC (Asteraceae). Structures of these compounds were established by application of various spectroscopic techniques.
Externí odkaz:
https://doaj.org/article/544ade9fffa14bb78b32f3f17bdd829f
Publikováno v:
Molecules, Vol 5, Iss 3, Pp 424-425 (2000)
The effect of the solvent and the substituents on the UV spectroscopic properties of substituted benzophenones was studied.
Externí odkaz:
https://doaj.org/article/9115095cb08d4f17a676cdc0a7b6698f
Publikováno v:
Molecules, Vol 5, Iss 3, Pp 356-357 (2000)
Microbial hydroxylation of tedonodiol, an eremophilane alcohol, was carried out with Aspergillus niger cultures, yielding the 2α - hydroxyderivative.
Externí odkaz:
https://doaj.org/article/fe092151628e45afac3526e2a0e28368
Publikováno v:
Molecules, Vol 5, Iss 3, Pp 614-615 (2000)
n/a
Externí odkaz:
https://doaj.org/article/eee4ca5dc9604fc38715af3bfca7696a
Publikováno v:
Andrologia. 43:297-302
The effects of a sesquiterpene lactone, dehydroleucodine, on the reproductive tract were investigated using adult male mice. Dehydroleucodine was dissolved in tap water and administered as drinking water for 30 days. All the parameters were compared
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0d15c1b99044bcc41f9f728eb3121de3
https://doi.org/10.1111/j.1439-0272.2010.01053.x
https://doi.org/10.1111/j.1439-0272.2010.01053.x
Publikováno v:
Journal of Molecular Structure: THEOCHEM. 626:167-178
Benzophenones are compounds of great importance due to their biological and physicochemical properties. The purpose of the present work was to determine by a UV–Visible spectroscopic method, the pKa of 4(OH)benzophenone, 2(OH)benzophenone and 2(OH)
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0805f3f4ebc94c7588d03ab0a866aa0a
https://doi.org/10.1016/s0166-1280(03)00079-4
https://doi.org/10.1016/s0166-1280(03)00079-4
Publikováno v:
Natural Product Letters. 8:189-197
From the aerial parts of Teucrium nudicaule H. the previously known diterpenoids 6-acetilteucjaponin B and triacetylteumassilin have been isolated together with the new C-12 epimer of teupyreinin as well as the flavones cirsiliol and eupatorin. From
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::595fe9b363f2ff64ecd38f467ed0281b
https://doi.org/10.1080/10575639608044893
https://doi.org/10.1080/10575639608044893
Autor:
Carlos E. Tonn, Héctor A. Baldoni, Marta E. Sosa, E.A. Jauregui, Ricardo D. Enriz, O. S. Giordano
Publikováno v:
Journal of Agricultural and Food Chemistry. 42:2958-2963
Considering the feeding-deterrent activities exhibited toward Tenebrio monitor (L.) (Coleoptera: Tenebrionidae) of several diterpenes with the clerodane skeleton isolated in our laboratory, a structure-activity relationship study was undertaken. A se
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::26e58150e1b3d8dba7fc522aa9613f9b
https://doi.org/10.1021/jf00048a059
https://doi.org/10.1021/jf00048a059