Zobrazeno 1 - 10
of 49
pro vyhledávání: '"Ichiro, Shimao"'
Autor:
Ichiro Shimao, Shigeyasu Kuroda, Masashi Hayashi, Atsushi Isobe, Mitsunori Oda, Ryuta Miyatake
Publikováno v:
Recueil des Travaux Chimiques des Pays-Bas. 115:438-440
3,3-Dimethylcyclohexanone (5) was efficiently converted to methyl β-cyclolavandulate (6) in 74% yield in three steps, one of which included the preparation of β-methyl α,β-unsaturated esters by coupling lithium dimethylcuprate with enol phosphate
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8f84dc2dbd08caa22e4c7d0c81952d4c
https://doi.org/10.1002/recl.19961151005
https://doi.org/10.1002/recl.19961151005
Autor:
Atsushi Fukuta, Shin-ya Kuramoto, Ichiro Shimao, Ryuta Miyatake, Mayumi Izawa, Yoshihiko Nozawa, Mitsunori Oda, Shigeyasu Kuroda, Yoshihiro Mizukami
Publikováno v:
Tetrahedron Letters. 38:8291-8294
The titled quinone compound has been synthesized, and the X-ray crystallographic analysis of this compound revealed that it has anti-anti-configuration for stereochemical relationship between two methylene and sulfur bridges. Its 1 H and 13 C NMR spe
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7b62a47ff212029bed09e69d3c555ba4
https://doi.org/10.1016/s0040-4039(97)10203-9
https://doi.org/10.1016/s0040-4039(97)10203-9
Autor:
Shigeyasu Kuroda, Takayoshi Nakajima, Masaki Yamada, Toshiki Mutai, Yasuhiro Shigemitsu, Koji Araki, Ichiro Shimao
Publikováno v:
J. Chem. Soc., Perkin Trans. 2. :613-617
6,6′-Diamino-2,2′-bipyridine (1a) has been found to exhibit a strong fluorescence in the near-UV region. Some amino and/or chloro substituted bipyridines (bpys) have been synthesized and studied to show that only 6-amino-substituted derivatives e
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8a99dc5843dc625c4533a4b91a80b8df
https://doi.org/10.1039/p29960000613
https://doi.org/10.1039/p29960000613
Autor:
Yoshiyuki Takahashi, Shigeyasu Kuroda, Ichiro Shimao, Hideya Takeda, Masaki Yamada, Takanori Kajioka, Yukimoto Hirano, Masahiro Murotani, Mitsunori Oda, Syuzi Hirooka, Mayumi Izawa
Publikováno v:
Bulletin of the Chemical Society of Japan. 67:3135-3138
Some new polyfused nonbenzenoid quinone derivatives, 6-(disubstituted methylene)- and 6-iminocyclohepta[a]phenalen-12(6H)-ones, were synthesized. The effects of substituents on electronic states were studied.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8e25bf9dea688f03ae994b08131fb7c2
https://doi.org/10.1246/bcsj.67.3135
https://doi.org/10.1246/bcsj.67.3135
Publikováno v:
Tetrahedron Letters. 35:7405-7408
The titled compound has been synthesized, and its 1 H and 13 C NMR spectra in D 2 SO 4 indicate that the cationic species formed by protonation has localized positive charges at carbonyl carbons due to the unfavorable conjugation because of the anti
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3c01bc68934f4c11448ab276880ea578
https://doi.org/10.1016/0040-4039(94)85326-6
https://doi.org/10.1016/0040-4039(94)85326-6
Autor:
Shinji Ochi, Akihiro Hisazumi, Ichiro Shimao, Masaki Yamada, Koji Araki, Shigeyasu Kuroda, Hatsuhiko Suzuki
Publikováno v:
Journal of Molecular Catalysis. 87:195-202
A salen analog [Ni(babp)] (babp = 6,6′-bis (benzoylaminato)-2,2′-bipyridine (2—)) and its t -butyl derivative catalysed epoxidation of olefins in the presence of sodium hypochlorite as the oxidant. These complexes showed higher catalytic activi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::17d31a6a3738ff04e836928d44819cab
https://doi.org/10.1016/0304-5102(93)e0245-c
https://doi.org/10.1016/0304-5102(93)e0245-c
Autor:
Masaki Yamada, Masaru Mouri, Masafumi Yasunami, Mitsunori Oda, Shigeyasu Kuroda, Katsuki Hayashi, Hiroshi Osaki, Ichiro Shimao
Publikováno v:
Chemistry Letters. 23:85-88
The parent compound of azuleno[1,2-a]acenaphthylene (8) was synthesized, and its 1H NMR spectrum suggests no bond alternation in the azulene moiety. The cycloaddition of 8 with dimethyl acetylenedicarboxylate gave an acenaphthyleno[1,2-d]heptalene de
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2f1df0e0aa5875ccd36c65291c29d214
https://doi.org/10.1246/cl.1994.85
https://doi.org/10.1246/cl.1994.85
Publikováno v:
ChemInform. 22
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b8adea95bdd11ac1fa4134c1b1a3188d
https://doi.org/10.1002/chin.199104228
https://doi.org/10.1002/chin.199104228
Autor:
Shigeyasu Kuroda, Osamu Hanida, Tomohiko Tsuchida, Syuzi Hirooka, Takayuki Sumi, Yoko Furuki, Yoshinobu Kanbata, Hideya Takeda, Masaki Yamada, Yuriko Fukuyama, Ichiro Shimao
Publikováno v:
ChemInform. 22
The titled new non linear non benzenoid quinone compounds of cyclohepta[a]phenalene-6,10-, -6,12-, -7,10-, and -7,12-diones have been synthesized. The dicationic species formed from quinones by protonation in a strong acid were revealed as diatropic
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::02ff108d8148c087973af3cbdf75999d
https://doi.org/10.1002/chin.199128125
https://doi.org/10.1002/chin.199128125
Autor:
T. Sakaguchi, H. Iwaki, Ichiro Shimao, Masaki Yamada, K. Yamazaki, Masafumi Yasunami, Shigeyasu Kuroda, S. Maeda
Publikováno v:
ChemInform. 22
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f76aa4cb60486c5c5d780ca468a698e1
https://doi.org/10.1002/chin.199150109
https://doi.org/10.1002/chin.199150109