Zobrazeno 1 - 10
of 17
pro vyhledávání: '"Koichi Kanehira"'
Autor:
Joji Ohshita, Takashi Sugioka, Kenji Komaguchi, Shotaro Takayama, Koichi Kanehira, Ichiro Imae, Daisuke Tokita, Yutaka Harima, Yousuke Ooyama
Publikováno v:
Polymer. 50:6198-6201
Bis(triethoxysilyl)-substituted oligothiophene with a moderate π-conjugation length was newly synthesized and polymerized to give a polysilsesquioxane network having oligothiophene units dispersed homogeneously without phase separation. The polymer
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c5c4a4151d30cf5d9012c16f763fbbcc
https://doi.org/10.1016/j.polymer.2009.10.058
https://doi.org/10.1016/j.polymer.2009.10.058
Autor:
Yoshiharu Matsubara, Ikuzo Nishiguchi, Takashi Ohnishi, Toshikazu Uchida, Koichi Kanehira, Tsuneaki Hirashima
Publikováno v:
The Journal of Organic Chemistry. 55:2938-2943
Anodic oxidation of tricyclene (1a) in acetic acid containing triethylamine, followed by hydrolysis, provides a facile and efficient synthesis of exo-5,5-dimethyl-6-methylenebicyclo[2.2.1]heptan-2-ol (2a). Furthermore, a method for large-scale produc
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8f4ed7da9102327453fd319cacab26ed
https://doi.org/10.1021/jo00296a069
https://doi.org/10.1021/jo00296a069
Autor:
Yoshiharu Matsubara, Takashi Ohnishi, Koichi Kanehira, Ikuzo Nishiguchi, Toshikazu Uchida, Tsuneaki Hirashima
Publikováno v:
ChemInform. 21
Anodic oxidation of tricyclene (1a) in acetic acid containing triethylamine, followed by hydrolysis, provides a facile and efficient synthesis of exo-5,5-dimethyl-6-methylenebicyclo[2.2.1]heptan-2-ol (2a). Furthermore, a method for large-scale produc
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::737b5f5ec8d25916bc69a8766c86d584
https://doi.org/10.1002/chin.199041297
https://doi.org/10.1002/chin.199041297
Publikováno v:
Tetrahedron Letters. 22:4417-4420
Catalytic asymmetric synthesis of secondary alkyl alcohols (up to 78% ee) was accomplished by asymmetric hydrogenation of enol diphenylphosphinates, derived from prochiral ketones such as acetophenone, 3-methyl-2-butanone, and 2-octanone, in the pres
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::13a3a5ca6a2610e6932d3c3433c9d25f
https://doi.org/10.1016/s0040-4039(01)82972-5
https://doi.org/10.1016/s0040-4039(01)82972-5
Publikováno v:
The Journal of Organic Chemistry. 53:113-120
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::70f9ed7fa06ed0624d8ae97f7b3a0b48
https://doi.org/10.1021/jo00236a023
https://doi.org/10.1021/jo00236a023
Publikováno v:
Tetrahedron Letters. 22:137-140
Racemic Grignard reagents, 2-phenylpropylmagnesium chloride and 2-norbornylmagnesium chloride were kinetically resolved by asymmetric cross-coupling with vinyl bromides in the presence of chiral phosphine-nickel catalysts to give optically active cou
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::040a41e9ce9b7a4a5adbd4309f7d0cc5
https://doi.org/10.1016/0040-4039(81)80169-4
https://doi.org/10.1016/0040-4039(81)80169-4
Publikováno v:
Synthetic Communications. 14:347-352
A sequence of ene-type chlorination, palladium catalyzed dehydrochlorination, and the intramolecular Diels-Alder reaction afforded a new method for conversion of prenyl derivatives into bicyclic compounds.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::15a58c3fb3b1692f6d3b04b322773a27
https://doi.org/10.1080/00397918408062833
https://doi.org/10.1080/00397918408062833
Autor:
Mitsuo Konishi, Makoto Kumada, Takeshi Hioki, Koichi Kanehira, Tamio Hayashi, Motoo Fukushima
Publikováno v:
The Journal of Organic Chemistry. 48:2195-2202
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::133bb912cd775f538fc1d0116cd37b5b
https://doi.org/10.1021/jo00161a013
https://doi.org/10.1021/jo00161a013
Publikováno v:
Tetrahedron Letters. 21:2737-2740
Photoreaction of 2-cyanopyridine with 2-methyl-2-butene and cyclopentene provided the corresponding annelated ketones 2 and 3, respectively, whereas photoreaction with 1-trimethylsilyloxycyclopentene afforded the “ene” product 8.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::aeedc5ae5e62c890d323662352f194fe
https://doi.org/10.1016/s0040-4039(00)78593-5
https://doi.org/10.1016/s0040-4039(00)78593-5
Publikováno v:
Journal of Japan Oil Chemists' Society. 34:53-57
In order to find new aroma chemicals, various type of terpenoid compounds are prepared using prenyl chloride (1) as a raw material. The main reaction is the condensation of (1) and aldehydes with aqueous sodium hydroxide (ca. 50%) in the presence of
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5f5f5db00eceb05cf60c2985fbc1666a
https://doi.org/10.5650/jos1956.34.53
https://doi.org/10.5650/jos1956.34.53