Zobrazeno 1 - 10
of 15
pro vyhledávání: '"Shinji Marumo"'
Autor:
Iwao Yamazaki, Yoshinori Tanaka, Shinji Marumo, Takeshi Ohno, Satoshi Shinoda, Koichi Nozaki, Tetzuya Katoh, Yoshinobu Nishimura, Seiji Taniguchi, Atsuhiro Osuka, Tadashi Okada, Hiroko Yamada
Publikováno v:
Bulletin of the Chemical Society of Japan. 68:3255-3268
Fucoxanthin-pyropheophorbide dyads, 3c and 4c, and zeaxanthin-pyropheophorbide dyads, 3d and 4d, were prepared as the first example of natural carotenoid-linked pyropheophorbide. Singlet–singlet energy transfer from carotenoid to pyropheophorbide i
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::54f64ce647c4e55115670dd4529063b7
https://doi.org/10.1246/bcsj.68.3255
https://doi.org/10.1246/bcsj.68.3255
Autor:
Yoshiyuki Wada, Atsuhiro Osuka, Shinji Marumo, Yoshinobu Nishimura, Iwao Yamazaki, Yoshihiro Shirakawa, Tomoko Yamazaki
Publikováno v:
Bulletin of the Chemical Society of Japan. 68:2909-2915
1,3-Dioxane-bridged pyropheophorbide–diimide dyads and pyropheophorbide dimer were synthesized by simple acid-catalyzed reactions of methyl pyropheophorbide d with diimide-substituted diols and with pentaerythritol, respectively. 1,3-Dioxane-bridge
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::40daa0dc08747b6b12b4837101a913ec
https://doi.org/10.1246/bcsj.68.2909
https://doi.org/10.1246/bcsj.68.2909
Autor:
Yoshinobu Nishimura, Atsuhiro Osuka, Seiji Taniguchi, Noboru Mataga, Kazuhiro Maruyama, Iwao Yamazaki, Shinji Marumo, Tadashi Okada, Yoshinori Tanaka
Publikováno v:
Bulletin of the Chemical Society of Japan. 68:262-276
The synthesis and excited-state dynamics are described for fixed-distance porphyrin–oxochlorin–pyromellitdimide triads (P–C–Im) and related reference compounds. In zinc-oxochlorin–pyromellitdimide (ZnP–Im), the 1(ZnC)* is quenched by the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::93e3de5be70f6ac76cbfd2d836e26cbc
https://doi.org/10.1246/bcsj.68.262
https://doi.org/10.1246/bcsj.68.262
Publikováno v:
Chemical Physics Letters. 230:144-148
Using pyromellitimide-linked, linear, 1,4-phenylene-bridged di- or tri-porphyrins, the intramolecular electron-transfer reaction from the singlet excited state of the distal doubly strapped free-base porphyrin to the pyromellitimide acceptor was stud
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c629a6e6b7357f352bb3e84c7dccedea
https://doi.org/10.1016/0009-2614(94)01122-2
https://doi.org/10.1016/0009-2614(94)01122-2
Autor:
Atsuhiro Osuka, Yoshinobu Nishimura, Tadashi Okada, Masaya Ohkochi, Iwao Yamazaki, Shinji Marumo, Seiji Taniguchi, Noboru Mataga, Kazuhiro Maruyama
Publikováno v:
ResearcherID
Upon photoexcitation of fixed-distance triads cosisting of zinc-porphyrin (ZnP) or magnesium-porphyrin (MgP), a doubly strapped metal-free porphyrin (SH 2 P), and pyromellitimide (PIm), (ZnP) + SH 2 P(PIm) − and (MgP) + SH 2 P(PIm) −
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::962b12919b4714d96010b7dc8d9709c6
https://doi.org/10.1016/0009-2614(94)00628-8
https://doi.org/10.1016/0009-2614(94)00628-8
Autor:
Akikazu Kakehi, Kiyoto Hori, Takeshi Nishiguchi, K. Yoshihara, A. Yamamoto, Shinji Marumo, Akio Kamimura
Publikováno v:
ChemInform. 24
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0ebe4d4524ecce64f62285d47725c5bc
https://doi.org/10.1002/chin.199304058
https://doi.org/10.1002/chin.199304058
Publikováno v:
ChemInform. 25
5,15-Diaryl-substituted oxochlorins were prepared from osmium tetraoxide oxidation of 5,15-diaryloctaethylporphyrin followed by acid-catalyzed pinacol rearrangement. Optical and electrochemical properties of this macrocyclic ring are studied by measu
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4fc33db80b44e53c7d1e0301e238a498
https://doi.org/10.1002/chin.199413163
https://doi.org/10.1002/chin.199413163
Autor:
Shinji Marumo, Iwao Yamazaki, Yoshihiro Shirakawa, Tomoko Yamazaki, Atsuhiro Osuka, Yoshinobu Nishimura, Yoshiyuki Wada
Publikováno v:
ChemInform. 27
1,3-Dioxane-bridged pyropheophorbide–diimide dyads and pyropheophorbide dimer were synthesized by simple acid-catalyzed reactions of methyl pyropheophorbide d with diimide-substituted diols and with pentaerythritol, respectively. 1,3-Dioxane-bridge
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ea1771ba16cd87d914edfccce36f1d07
https://doi.org/10.1002/chin.199605209
https://doi.org/10.1002/chin.199605209
Autor:
Akinori Yamamoto, Kenzi Hori, Shinji Marumo, Akikazu Kakehi, Takeshi Nishiguchi, Kosei Yoshihara, Akio Kamimura
Publikováno v:
The Journal of Organic Chemistry. 57:5403-5413
4,5-Disubstituted 3-formyl-Δ 2 -isoxazolines undergo the aldol, allylation, and carbonyl ene reactions in the presence of appropriate Lewis acid to give the adducts with an effective 1,3-asymmetric induction. The stereoselectivity of the reaction ma
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::49b5f8646d8d87cacae98d81a854e6cb
https://doi.org/10.1021/jo00046a023
https://doi.org/10.1021/jo00046a023
Autor:
Akio Kamimura, Shinji Marumo
Publikováno v:
Tetrahedron Letters. 31:5053-5056
Both syn- and anti- isomers of 3-substituted-Δ 2 -isoxazolines can be prepared in a stereoseleotive way by the aldol reaction of 3-formyl-Δ 2 -isoxazolines and silyl enol ethers in the presence of appropriate Lewis acid.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::20c6b8a0a8b61fc90a5eb921f5f1dc32
https://doi.org/10.1016/s0040-4039(00)97804-3
https://doi.org/10.1016/s0040-4039(00)97804-3