Zobrazeno 1 - 10
of 34
pro vyhledávání: '"Teiko YAMADA"'
Autor:
Atsuko Iomori, Taisuke Okamoto, Hidekazu Ouchi, Akiko Saito, Akihiro Tai, Teiko Yamada, Toshiro Noshita, Nao Ishimata, Hikaru Nishikawa
Publikováno v:
Bioscience, Biotechnology, and Biochemistry. 78:1485-1489
We describe the syntheses of the proposed structure of diphenyl ether oxyneolignan, apteniol A and its derivatives. The diphenyl ether moiety of proposed apteniol A was formed via Ullmann ether synthesis, but the spectral data of the synthesized apte
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::babe91735cbfbf4a3685e2976febcc63
https://doi.org/10.1080/09168451.2014.930322
https://doi.org/10.1080/09168451.2014.930322
Autor:
Teiko Yamada, Kazuhiro Takagi, Masaaki Kotake, Hiromasa Kiyota, Kenichi Yamazaki, Ryota Kataoka
Publikováno v:
International Biodeterioration & Biodegradation. 92:36-40
Dieldrin is one of the most persistent organic pollutants, and its oxidative degradation pathways by aerobic microorganisms to 6,7- trans -dihydroxydihydroaldrin (otherwise known as aldrin- trans -diol) and 9-hydroxydieldrin are well documented. The
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9fadec25ea4a0a02f0694039f8a6dda5
https://doi.org/10.1016/j.ibiod.2014.04.005
https://doi.org/10.1016/j.ibiod.2014.04.005
Autor:
Teiko Yamada, Yuta Nagashima, Manabu Nukina, Konosuke Hiramatsu, Hai Qun Cao, Akihito Saito, Hiromasa Kiyota, Shigefumi Kuwahara, Koji Tanaka, Ayaka Sasaki
Publikováno v:
Heterocyclic Communications. 20:185-188
o-Formyl-m-hydroxycinnamic acid, the most oxidized salicylaldehyde-type phytotoxin isolated from rice blast fungus, Magnaporthe grisea, was synthesized for the first time using 5-(2,2-dimethyl-4H-1,3-benzodioxin)methanol as the starting material, and
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::87c3e78d0dcad5a38b693587c83f4c5b
https://doi.org/10.1515/hc-2014-0053
https://doi.org/10.1515/hc-2014-0053
Autor:
Teiko Yamada, Rui Xia Guo, Chang Hong Huo, Mei Dong, Yu-Cheng Gu, Yi Bing Wu, Qing-Wen Shi, Hiromasa Kiyota, Bin Cong, Francoise Sauriol, Cong-Mei Cao
Publikováno v:
Helvetica Chimica Acta. 96:375-378
Torreyanoxane, a novel 3,4-secoglutinane triterpenoid, was isolated from the pulp of Torreya nucifera. The structure was determined on the basis of spectroscopic methods.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e2db253bac2abd8aa57a1cce35af18b0
https://doi.org/10.1002/hlca.201200174
https://doi.org/10.1002/hlca.201200174
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:
Yoshitomo Hamada, Teiko Yamada, Toshiro Noshita, Hidekazu Ouchi, Kohei Matsumoto, Akiko Saito, Hikaru Nishikawa
We describe the synthesis of 4,4′-oxyneolignan, the proposed structure for naturally occurring apteniol D. The diphenyl ether moiety in 4,4′-oxyneolignan was formed via classical Ullmann ether synthesis using excess copper powder in N,N-dimethyla
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::71e6933112f62c90deb599a493fdfc7f
Autor:
Koji Tanaka, Ayaka Sasaki, Manabu Nukina, Shigefumi Kuwahara, Isao Komine, Naoko Minami, Hiromasa Kiyota, Hai Qun Cao, Hirokazu Nakahigashi, Masahiro Igarashi, Teiko Yamada
Publikováno v:
European Journal of Organic Chemistry. 2011:6276-6280
Rice blast fungus, Magnaporthe grisea, produces a series of salicylaldehyde-type phytotoxins such as pyriculol, pyricuol, and pyriculariol. Plausible biosynthetic intermediates of these phytotoxins were synthesized in deuterium labeled forms using th
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c33c44cca205d53689d46ca45800aeb8
https://doi.org/10.1002/ejoc.201100771
https://doi.org/10.1002/ejoc.201100771
Autor:
Teiko Yamada, Tadaatsu Hanadate, Shuichi Oi, Hiromasa Kiyota, Shigefumi Kuwahara, Kentaro Takai
Publikováno v:
Synthesis. 2011:3741-3748
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::983fbc0b601b4dd596dfeb91ad0cba6b
https://doi.org/10.1055/s-0030-1260234
https://doi.org/10.1055/s-0030-1260234
Autor:
Teiko Yamada, Shigefumi Kuwahara, Tadaatsu Hanadate, Yukie Ono, Kentaro Takai, Hiromasa Kiyota, Masaki Abe
Publikováno v:
Tetrahedron. 67:7066-7072
Macrotetrolide α (1), a designed polynactin analog composed of (+)- and (−)-bishomononactic acids, was synthesized. The monomeric acids were prepared using cis-selective iodoetherification and optical resolution of the corresponding O-acetylmandel
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9c77de15dcf0fc9de51dfd2e6303159e
https://doi.org/10.1016/j.tet.2011.07.012
https://doi.org/10.1016/j.tet.2011.07.012
Autor:
Naoki Abe, Teiko Yamada, Kazuya Toho, Hiroyuki Konno, Yoshifumi Ito, Shigefumi Kuwahara, Hiromasa Kiyota
Publikováno v:
Letters in Organic Chemistry. 8:1-4
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1503c4c39ee2e30a28c8f60f4d08b520
https://doi.org/10.2174/157017811794557813
https://doi.org/10.2174/157017811794557813