Zobrazeno 1 - 10
of 43
pro vyhledávání: '"H. D. Locksley"'
Autor:
H. D. Locksley, Faik Shalan Al-Jeboury
Publikováno v:
Phytochemistry. 10:603-606
The heartwood constituents of an Australian specimen of C. inophyllum L., are shown to be jacareubin, 1,7-dihydroxyxanthone (euxanthone), 1,5,6-trihydroxyxanthone, 1,6-dihydroxy-5-methoxyxanthone (buchanaxanthone), 6-desoxyjacareubin, 2-(3,3-dimethyl
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::cd68b6f1f2ee919d1c1f7443a1862fbe
https://doi.org/10.1016/s0031-9422(00)94704-6
https://doi.org/10.1016/s0031-9422(00)94704-6
Autor:
I.G. Murray, H. D. Locksley
Publikováno v:
Phytochemistry. 10:3179-3183
The heartwood of Ochrocarpos odoratus (Rafin) Merrill contains seven xanthones; 2-hydroxyxanthone, 3-hydroxy-2-methoxyxanthone, 1,5-dihydroxyxanthone, 2,3,4-trihydroxyxanthone, 1,5,6-trihydroxyxanthone, and 1,3,5,6- and 1,3,6,7-tetrahydroxyxanthones.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c9819680e2aab0530f98d9cb0c777cf5
https://doi.org/10.1016/s0031-9422(00)97372-2
https://doi.org/10.1016/s0031-9422(00)97372-2
Publikováno v:
Phytochemistry. 9:221-226
In addition to the known biflavonoids GB-1a, GB-2a and morelloflavone, the heartwood of Garcinia volkensii Engl. contains volkensiflavone, a new flavanone-flavone whose constituent units are naringenin and apigenin.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::95749e372ef003b3dc7e3b86b526189c
https://doi.org/10.1016/s0031-9422(00)86633-9
https://doi.org/10.1016/s0031-9422(00)86633-9
Publikováno v:
Phytochemistry. 8:2013-2025
The various proposals concerning xanthone biogenesis in higher plants are assessed. A survey of the distribution of xanthones in angiosperms is given.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a59501e27b353c52eeaa4a6ee8e25334
https://doi.org/10.1016/s0031-9422(00)88089-9
https://doi.org/10.1016/s0031-9422(00)88089-9
Publikováno v:
J. Chem. Soc.. :5096-5101
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a490d113fbbafab5092f8776852ede1d
https://doi.org/10.1039/jr9640005096
https://doi.org/10.1039/jr9640005096
Publikováno v:
J. Chem. Soc. B. :603-612
Computed chemical shifts and coupling constants for xanthone in deuteriochloroform and trifluoroacetic acid are in agreement with experimental data at 60, 100, and 220 MHz. The increased dispersion of the signals at 220 MHz in deuteriochloroform show
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c6ad1f85f9743a1cad5a05f4b1a6c3b5
https://doi.org/10.1039/j29700000603
https://doi.org/10.1039/j29700000603
Publikováno v:
Tetrahedron. 24:3059-3068
The heartwood of Calophyllum scriblitifolium Henderson and Wyatt-Smith is shown to contain three new structurally related xanthones. These are 6-(4-hydroxy-3-methylbutanyl)1,5-dihydroxyxanthone, 6-(4-hydroxy-3-methylbut-2-enyl)1,5-dihydroxyxanthone a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::32d3b8bd20b6861f7f5a1c610d1272ff
https://doi.org/10.1016/s0040-4020(01)98714-9
https://doi.org/10.1016/s0040-4020(01)98714-9
Publikováno v:
Tetrahedron Letters. 8:3049-3055
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::21300cafbe19ccba16287cf7dca9a0e7
https://doi.org/10.1016/s0040-4039(00)90913-4
https://doi.org/10.1016/s0040-4039(00)90913-4
Publikováno v:
Tetrahedron. 23:2229-2234
Maclurin, 1,3,5,6- and 1,3,6,7-tetrahydroxyxanthones co-exist inSymphonia globulifera L. from Buganda. The biogenetic significance of this observation is discussed.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c28d31b9cb8f3f388fe6b10f40250540
https://doi.org/10.1016/0040-4020(67)80058-9
https://doi.org/10.1016/0040-4020(67)80058-9
Publikováno v:
Phytochemistry. 8:927-929
The presence of 6-desoxyjacareubin, 2-(3,3-dimethylallyl)-1,3,5,6-tetrahydroxyxanthone, and jacareubin in the heartwood of Calophyllum inophyllum L. is reported. The chemotaxonomic significance of the presence of jacareubin is discussed.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::bfe034078393b832205a60429d4401c4
https://doi.org/10.1016/s0031-9422(00)85886-0
https://doi.org/10.1016/s0031-9422(00)85886-0