Zobrazeno 1 - 10
of 15
pro vyhledávání: '"Saika Otsubo"'
Autor:
Hidemitsu Uno, Saika Otsubo, Tetsuo Okujima, Shinji Aramaki, Tomoya Furuta, Hiroko Yamada, Guangnan Jin, Noboru Ono, Yusuke Hashimoto, Shigeki Mori, Ritsuko Yamanaka
Publikováno v:
Bulletin of the Chemical Society of Japan. 92:1370-1378
Novel thermally convertible precursors of tetrabenzoporphyrin (TBP) were synthesized by tetramerization of the corresponding bicyclo[2.2.2]octadiene(BCOD)-fused pyrroles. These precursors showed hi...
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e37602d540a8e99aebdac20c78c2d5bf
https://doi.org/10.1246/bcsj.20190074
https://doi.org/10.1246/bcsj.20190074
Autor:
Tomoya Higashihara, Hidetoshi Matsumoto, Mitsuru Ueda, Susumu Kawauchi, Saika Otsubo, Koutarou Aoyagi, Yu Shoji
Publikováno v:
Bulletin of the Chemical Society of Japan. 87:1083-1093
Organic electron-accepting materials with light absorbance and wide absorption bands are sorely needed as alternatives to fullerene derivatives for organic electronics, in particular for organic ph...
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d68111dbcb822ef37f570311692e2c4e
https://doi.org/10.1246/bcsj.20140167
https://doi.org/10.1246/bcsj.20140167
Autor:
Saika Otsubo, Hiroshi Imahori, Yoshihiro Matano, Seiji Akiyama, Tooru Miyajima, Shinji Aramaki, Emi Nakamoto, Arihiro Saito, Yuto Suzuki
Publikováno v:
Chemistry - An Asian Journal. 7:2305-2312
A divergent method for the synthesis of α,α'-diarylacenaphtho[1,2-c]phosphole P-oxides has been established; α,α'-dibromoacenaphtho[c]phosphole P-oxide, which was prepared through a Ti(II)-mediated cyclization of 1,8-bis(trimethylsilylethynyl)nap
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::233f62fdffecd66e263f99441f5b831b
https://doi.org/10.1002/asia.201200492
https://doi.org/10.1002/asia.201200492
Autor:
Noboru Ono, Hidemitsu Uno, Guangnan Jin, Shinji Aramaki, Saika Otsubo, Hiroko Yamada, Tetsuo Okujima
Publikováno v:
Journal of Porphyrins and Phthalocyanines. 15:697-703
Bicyclo[2.2.2]octadiene(BCOD)-fused diazaporphyrin was synthesized by the reaction of BCOD-fused dipyrromethane with sodium nitrite in acetic acid/ethanol in the presence of copper(II) acetylacetonate. This soluble precursor was converted into the se
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e9090a86f69cb9011dfbf7f622c6a17e
https://doi.org/10.1142/s1088424611003641
https://doi.org/10.1142/s1088424611003641
Autor:
Saika Otsubo, Yuuki Ono, Kenro Tanaka, Takakazu Kimoto, Yoshimasa Sakai, Kentaro Yamaguchi, Akira Ohno, Masatoshi Kawahata, Kenji Kobayashi
Publikováno v:
The Journal of Organic Chemistry. 76:5018-5025
5,12-Bis(methylthio)tetracene (2) and 5,11-bis(methylthio)tetracene (3) were synthesized. DFT calculations indicate that the HOMO and LUMO energy levels of 2 and 3 are lowered by 0.13-0.24 eV and their HOMO-LUMO energy gaps are reduced by 0.1 eV rela
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::203878d47f8afc879d3719b0683701a2
https://doi.org/10.1021/jo200696a
https://doi.org/10.1021/jo200696a
Autor:
Shinji Aramaki, Satoshi Ito, Hidemitsu Uno, Le Thanh Phong, Kazuhisa Hiratani, Yousuke Tanaka, Takuya Komatsu, Saika Otsubo, Akira Ohno, Yoshimasa Sakai, Nagisa Igarashi, Toru Oba
Publikováno v:
European Journal of Organic Chemistry. 2009:5373-5382
meso-Chlorinated bicyclo[2.2.2]octadiene-fused porphyrins 2 (ClnTBCODPs; n = 1–4) have been synthesized by chlorination of the free base TBCODP-H2 (1-H2) using N-chlorosuccinimide (NCS). The chlorinated derivatives were easily separated by column c
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e1d9bc008abab00b09e66c839c07e18f
https://doi.org/10.1002/ejoc.200900601
https://doi.org/10.1002/ejoc.200900601
Autor:
Hiroshi Inada, Saika Otsubo, Hitoshi Ota, Eiichi Nakamura, Yutaka Matsuo, Takafumi Nakagawa, Junya Kawai
Publikováno v:
Advanced materials (Deerfield Beach, Fla.). 25(43)
Adding a compact dihydromethano (CH2 ) group to a 58π-indene fullerene (C60 (Ind)) creates a 56π-electron dihydromethano/indene fullerene (C60 (CH2 )(Ind)) and raises the LUMO level with only a minimal increase in size. This class of compounds feat
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::36e8ddfe5e457875a3f732dadd5c4519
https://pubmed.ncbi.nlm.nih.gov/23996807
https://pubmed.ncbi.nlm.nih.gov/23996807
Publikováno v:
Organic letters. 8(13)
[reaction: see text] A metalative 5-endo-dig cyclization reaction of 2-ynylphenoles or anilines effected by BuLi and ZnCl(2) produces 3-zinciobenzoheteroles in excellent yield. These intermediates have been transmetalated to the corresponding cuprate
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::dfdcc330028f98dc76be382cf80b3a3a
https://pubmed.ncbi.nlm.nih.gov/16774261
https://pubmed.ncbi.nlm.nih.gov/16774261
Publikováno v:
ChemInform. 37
General. All the reactions dealing with air or moisture sensitive compounds were carried out in a dry reaction vessel under a positive pressure of argon or nitrogen. Airand moisture-sensitive liquids and solutions were transferred via syringe or stai
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2247149ba0ff798dc327c3857891b76e
https://doi.org/10.1002/chin.200623097
https://doi.org/10.1002/chin.200623097
Autor:
Hengbo Cui, Hideki Fujiwara, Kazuyuki Takahashi, Yoshinori Okano, Saika Otsubo, Ha-Jin Lee, Hayao Kobayashi
Publikováno v:
Chemistry Letters. 35:130-131
(TTP-PROXYL)FeCl4, where TTP-PROXYL is 2,5-bis(1,3-dithiol-2-ylidene)-1,3,4,6-tetrathiapentalene (TTP) incorporating the 2,2,5,5-tetramethyl-1-pyrrolidinyloxy (PROXYL) radical, is a semiconductor w...
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2498c8bd1e03446a2109a130fd39c88b
https://doi.org/10.1246/cl.2006.130
https://doi.org/10.1246/cl.2006.130