Zobrazeno 1 - 10
of 82
pro vyhledávání: '"Takeyoshi Sugiyama"'
Publikováno v:
Bioscience, biotechnology, and biochemistry. 62(11)
Macrophorins E, F and G were newly isolated from Botryosphaeria berengeriana, each showing potent antifungal activity similar to that of macrophorin A against phytopathogenic fungi B. berengeriana and Gibberella fujikuroi. Macrophorins E and G were i
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::33405d9f25e9dd6e07ceab3f6cea4b66
https://pubmed.ncbi.nlm.nih.gov/27393596
https://pubmed.ncbi.nlm.nih.gov/27393596
Autor:
Qing-Wen SHI, Takayuki ORITANI, Tohru HORIGUCHI, Takeyoshi SUGIYAMA, Ryo MURAKAMI, Teiko YAMADA
Publikováno v:
Bioscience, biotechnology, and biochemistry. 63(5)
Four novel taxane diterpenes were isolated from the needles of the Japanese yew, Taxus cuspidata. Their structures were established as 1-hydroxy taxuspine C, 2α,7β,9α, 10β,13α-pentaacetoxy-5α-cinnamoyloxy-4β,20-epoxy- taxa-11-en-1β-ol, 2α,9
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c2d2508001f1ee879d6c54ad605beb0c
https://pubmed.ncbi.nlm.nih.gov/27385572
https://pubmed.ncbi.nlm.nih.gov/27385572
Autor:
Takeyoshi Sugiyama, Hiromasa Kiyota, Ryo Takeuchi, Keijiro Enari, Toshihiko Watanabe, Takayuki Oritani, Manabu Yaosaka
Publikováno v:
Journal of the Chemical Society, Perkin Transactions 1. :2676-2681
The absolute configuration of the 12′,17′,18′,19′-positions of enacyloxins (ENXs), a series of polyhydroxy-polyenic antibiotics from Frateuria sp. W-315, was determined. As degradation of decarbamoyl (dec) ENX IIa gave (5R,6S,1′E)-6-(but-1
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7ac285a085a9f851d2e45aced5fe00e4
https://doi.org/10.1039/b104341m
https://doi.org/10.1039/b104341m
Publikováno v:
Natural Product Letters. 14:265-272
Three new and two known taxane diterpenoids were isolated from the seeds of the Japanese yew, Taxus cuspidata Sieb. et Zucc, and the structures were established as 1-deoxy-2-O-acetyltaxine B (1), 1-deoxy-2,9-O-diacetyl-10-deacetyltaxine B (2), 2-O-de
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::879e5a7b850a9d7685f0c48d584ede54
https://doi.org/10.1080/10575630008041241
https://doi.org/10.1080/10575630008041241
Publikováno v:
Phytochemistry. 52:1559-1563
Three new rearranged 2(3→20) abeo taxane diterpenoids were isolated from the bark of the Chinese yew, Taxus mairei . Their structures were established as 2α,5α,7β,13α-tetraacetoxy-10β-hydroxyl-2(3→20) abeo taxan-9-one; 7β,13α-diacetoxyl-2
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d102a235a7d860cb12b4fcc50693098b
https://doi.org/10.1016/s0031-9422(99)00233-2
https://doi.org/10.1016/s0031-9422(99)00233-2
Publikováno v:
Phytochemistry. 52:1571-1575
Two pseudoalkaloid taxane diterpenoids were isolated from seeds of the Chinese yew tree Taxus chinensis var. mairei. Their structures were established as 2α,9α,10β,13α-tetraacetoxy-5α(3′-methylamino-3′-phenyl)-propionyloxy-taxa-4(20),11-dien
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::edcaa347d11a7463b566d1ad05fdf00f
https://doi.org/10.1016/s0031-9422(99)00359-3
https://doi.org/10.1016/s0031-9422(99)00359-3
Three New Bicyclic Taxane Diterpenoids from the Needles of Japanese Yew,Taxus cuspidataSieb. Et Zucc
Publikováno v:
Journal of Asian Natural Products Research. 2:63-70
Three new bicyclic taxane diterpenes were isolated from the needles of the Japanese yew, Taxus cuspidata Sieb. et Zucc. Their structures were established to be 7,9,10,13-tetraacetoxy-5-cinna-moyloxy-4-hydroxy-methyl-8,12,15,15-tetramethyl-bicyclo[9.3
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e27f4e9b8edea4068d97ca562d19d4f5
https://doi.org/10.1080/10286029908039893
https://doi.org/10.1080/10286029908039893
Publikováno v:
Journal of Natural Products. 62:1114-1118
Six new taxane diterpenoids and three known 2(3-->20)abeotaxoids were isolated from the seeds of Taxus chinensis var. mairei and of Taxus yunnanensis. Their structures were established as 2alpha, 20-dihydroxy-9alpha-acetoxytaxa-4(20),11-dien-13-one (
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::df7fc4eab2716e9c5f68778c2fbae7cd
https://doi.org/10.1021/np990106b
https://doi.org/10.1021/np990106b
Publikováno v:
Natural Product Letters. 13:305-312
Two novel taxane diterpenoids were isolated from the seeds of the Chinese yew, Taxus mairei, and their structures were established as 2α,20-dihydroxy-9α, 10β-diacetoxy-taxa-4,11-diene-13-one (1) and 2-deacetyl taxinine (2) on the basis of spectros
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::62142a26b6713f56d4d02c50e0fe368e
https://doi.org/10.1080/10575639908048802
https://doi.org/10.1080/10575639908048802
Autor:
Takashi Oritani, Ding Zhao, Takayuki Oritani, Qing-Wen Shi, Takeyoshi Sugiyama, Tohru Horiguchi, Ryo Murakami
Publikováno v:
Tetrahedron. 55:8365-8376
Chemical examination of the seeds of the Chinese yew, Taxus yunnanensis Cheng et L. K. Fu and Japanese yew, T. cuspidata Sieb et Zucc resulted in the isolation of three new and rare rearranged abeo taxane type of diterpenoids in addition to several k
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::fb25438e564cbf2039eeb508c02af266
https://doi.org/10.1016/s0040-4020(99)00466-4
https://doi.org/10.1016/s0040-4020(99)00466-4