Zobrazeno 1 - 10
of 35
pro vyhledávání: '"John A. Rideout"'
Autor:
Josephine Marie Angeline P. Sengson, Chien-Chang Shen, Dennis D. Raga, Marc Rhyan Anthony Puno, John A. Rideout, Consolacion Y. Ragasa
Publikováno v:
Natural Product Research. 23:1252-1258
The ethyl acetate extract of the air-dried leaves of Diospyros blancoi afforded isoarborinol methyl ether (1), a mixture of alpha-amyrin palmitate, alpha-amyrin palmitoleate, beta-amyrin palmitate and beta-amyrin palmitoleate (2) in a 13 : 4 : 3 : 1
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2ba023b0f9e84203905f423aca9744b5
https://doi.org/10.1080/14786410902951054
https://doi.org/10.1080/14786410902951054
Autor:
Maria Claribel Lapina, John A. Rideout, Emelina H. Mandia, Jadz Jevz Lee, Consolacion Y. Ragasa
Publikováno v:
Natural Product Research. 22:820-824
The air-dried leaves of Tectona philippinensis, an endemic and endangered Philippine medicinal plant, afforded 5-hydroxy-3,7,4'-trimethoxyflavone (1), 5,4'-dihydroxy-3,7-dimethoxyflavone (2), squalene (3), a mixture of lupeol (4a) and beta-amyrin (4b
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0579c7bc5389d6e8a093045f536f1daf
https://doi.org/10.1080/14786410701640551
https://doi.org/10.1080/14786410701640551
Publikováno v:
Natural Product Research. 19:231-237
The leaves of Blumea balsamifera afforded icthyothereol acetate, cryptomeridiol, lutein, and beta-carotene. The structures of icthyothereol acetate (1) and cryptomeridiol (2) were elucidated by extensive 1D and 2D NMR spectroscopy, while those of lut
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::fbcec7e0998f6417fcf6adcaf5175a05
https://doi.org/10.1080/14786410410001709773
https://doi.org/10.1080/14786410410001709773
Publikováno v:
Journal of Asian Natural Products Research. 7:7-12
The leaves of Lagerstroemia speciosa afforded a new natural product, 31-norlargerenol acetate (4), along with known compounds 24-methylenecycloartanol acetate (1), its 31-nor analog (2), largerenol acetate (3), tinotufolins C (5) and D (6), lutein, p
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f25fe4fe85c6c111c3e7d22516d544a2
https://doi.org/10.1080/10286020310001596024
https://doi.org/10.1080/10286020310001596024
Publikováno v:
Natural Product Research. 18:319-323
The air-dried flowers of Ixora coccinea L. afforded two new cycloartenol esters (1a and 1b), lupeol fatty ester, lupeol, ursolic acid, oleanolic acid, and sitosterol. The structures of 1a and 1b were elucidated by extensive 1D and 2D NMR spectroscopy
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::51dc032f0f7a457d22491c25b6dae0e4
https://doi.org/10.1080/14786410310001630519
https://doi.org/10.1080/14786410310001630519
Publikováno v:
Journal of Natural Products. 65:1107-1110
Four new cassane-type furanoditerpenoids (1-4) were isolated from the air-dried leaves of Caesalpinia pulcherrima. Their structures were elucidated by spectral data interpretation. The exocyclic methylene compound 1 readily isomerized and oxidized to
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::00462d24e28012948862e0d04dc8b8fe
https://doi.org/10.1021/np0201523
https://doi.org/10.1021/np0201523
Publikováno v:
Journal of Natural Products. 65:753-756
Bastadin 21, a novel tribrominated bastadin with the uncommon isobastarane skeleton, was isolated from the Great Barrier Reef marine sponge Ianthella quadrangulata. The structure was elucidated on the basis of the 1D and 2D NMR and MS data of bastadi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::59ca6fc6640ba78667e28a6220412dd1
https://doi.org/10.1021/np010520n
https://doi.org/10.1021/np010520n
Publikováno v:
Hydrometallurgy. 56:323-336
This paper describes an investigation of the kinetics of loading of gold(I), silver(I), and nickel(II) cyanide complexes onto two novel anion exchange resins with high selectivity for the linear dicyanoaurate(I) and dicyanoargentate(I) complexes. The
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2365924ee8e7fc80548312a0a15c9e15
https://doi.org/10.1016/s0304-386x(00)00082-7
https://doi.org/10.1016/s0304-386x(00)00082-7
Publikováno v:
Journal of Asian Natural Products Research. 1:269-275
The leaves of Ficus pumila afforded a new neohopane (1) by silica gel chromatography. The structure of 1 was elucidated by 1D and 2D NMR and IR spectroscopy and mass spectrometry. It showed antimicrobial activity against Escherichia coli, Pseudomonas
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::80bf3fe27ad6a2c558a7fabe1c1c7a0e
https://doi.org/10.1080/10286029908039875
https://doi.org/10.1080/10286029908039875
Autor:
John A. Rideout, Masaru Tada, John C. Coll, Consolacion Y. Ragasa, Zenaida D. Nacpil, Gaudencio M. Natividad
Publikováno v:
Phytochemistry. 46:555-558
Azadirachta indica afforded two novel tetranortriterpenoids by gravity column chromatography. Their structures were elucidated by extensive 1D and 2D NMR techniques.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::825672e7225f6dea3dbee012e81ac177
https://doi.org/10.1016/s0031-9422(97)87092-6
https://doi.org/10.1016/s0031-9422(97)87092-6