Zobrazeno 1 - 10
of 64
pro vyhledávání: '"Lydia Rodríguez-Hahn"'
Publikováno v:
Tetrahedron. 53:469-478
An electrochemical methodology for the protection of the ortho-hydroxy-para-benzoquinone functionality has been developed, by a one step formation of the aromatic ethers of the reduced quinone function, improving the yields obtained for this reaction
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::901365bb01b0d6963bc846f0a4385e0a
https://doi.org/10.1016/s0040-4020(96)01080-0
https://doi.org/10.1016/s0040-4020(96)01080-0
Publikováno v:
Pesticide Science. 47:17-23
Twenty-nine clerodane-type diterpenoids isolated from species of Salvia growing in Mexico, or analogues of them, were tested for antifeedant activity against Spodoptera littoralis larvae using behavioural and electrophysiological bioassays. Eight of
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f31fbc7227556772e6b6ca0ce4e4345a
https://doi.org/10.1002/(sici)1096-9063(199605)47:1<17::aid-ps378>3.0.co
https://doi.org/10.1002/(sici)1096-9063(199605)47:1<17::aid-ps378>3.0.co
Autor:
Rubén A. Toscano, Baldomero Esquivel, Lydia Rodríguez-Hahn, Benjamín Rodríguez, Jorge Cárdenas
Publikováno v:
Tetrahedron Letters. 36:6391-6394
Sodium borohydride reduction of hispanolone 1 followed by treatment with acetic acid, produced the borates 6 and 7 . Their structures were established by spectral means and X-ray diffraction analysis of 6 .
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::81cd1df199d02e00b3b164795ed11524
https://doi.org/10.1016/0040-4039(95)01321-8
https://doi.org/10.1016/0040-4039(95)01321-8
Publikováno v:
Phytochemistry. 38:171-174
From the aerial parts of Salvia urolepis , three new neoclerodane diterpenoids were isolated. Their structures were determined by spectroscopic means. The known languidulane diterpenoid 2 α -hydroxy-7- epi -8 β , 17-dihydro-languiduline was also ob
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::906ac4f361f273f3ab8f0c7312641398
https://doi.org/10.1016/0031-9422(94)00542-2
https://doi.org/10.1016/0031-9422(94)00542-2
Autor:
Lydia Rodríguez-Hahn, Jorge Cárdenas
Publikováno v:
Phytochemistry. 38:199-204
Seven abietane and icetexane diterpenoids were isolated from the aerial parts of Salvia candicans . Three were identified as conacytone, icetexone and anastomosine. The other four were new diterpenes, whose structures were established by spectroscopi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a3e7c0438a06f86b2db7925c2c9fb037
https://doi.org/10.1016/0031-9422(94)00569-f
https://doi.org/10.1016/0031-9422(94)00569-f
Publikováno v:
Magnetic Resonance in Chemistry. 32:321-325
High-field 2D NMR studies were performed on nine neo-clerodane diterpenoids. Unambiguous assignments of the 13 C signals and proton chemical shifts were achieved which led to the revision of some previous assignments
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4c62506092cb7131e1923c29b5a720f6
https://doi.org/10.1002/mrc.1260320602
https://doi.org/10.1002/mrc.1260320602
Publikováno v:
Phytochemistry. 36:747-751
Three new triterpenes isolated from the roots of Acanthothamnus aphyllus were identified as 2α-hydroxy- populnonic acid and the 3-deoxy-D:A-friedo-oleananes:2,4(23)-friedeladien-22β-hydroxy-21-one and 2,4(23)- friedeladien-29-oic acid, on the basis
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5c9454c05487031c4183b15086f5a474
https://doi.org/10.1016/s0031-9422(00)89810-6
https://doi.org/10.1016/s0031-9422(00)89810-6
Autor:
Simón Hernández-Ortega, Baldomero Esquivel, Rubén A. Toscano, Lydia Rodríguez-Hahn, Rosa Maria Dominguez
Publikováno v:
Tetrahedron. 50:11593-11600
From the aerial parts of S. leucantha the rearranged neo-clerodane diterpenoid salvileucantholide was isolated. Its structure 1 was established by spectral means, chemical transformation and X-ray diffraction analysis. The salvigenane diterpenoid 4 a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d9bc9ec7ea37f50ca2fb0a5846a20836
https://doi.org/10.1016/s0040-4020(01)85654-4
https://doi.org/10.1016/s0040-4020(01)85654-4
Publikováno v:
Phytochemistry. 35:447-450
From the aerial parts of Salvia madrensis three neo-clerodane diterpenoids: salvimadrensin, salvimadrensinone and salvimadrensinol have been isolated. Their structures were established by spectroscopic means and chemical transformations.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::67fafbf88ac46f5eed8bacc33f733440
https://doi.org/10.1016/s0031-9422(00)94779-4
https://doi.org/10.1016/s0031-9422(00)94779-4
Autor:
Lydia Rodríguez-Hahn, M. Del Carmen Fernandez, Baldomero Esquivel, Adayakni Sanchez, Rubén A. Toscano, Jorge Cárdenas
Publikováno v:
ChemInform. 22
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::52ad0cdfcb4fd93168c35b3362329de3
https://doi.org/10.1002/chin.199151265
https://doi.org/10.1002/chin.199151265