Zobrazeno 1 - 10
of 179
pro vyhledávání: '"Haruo Matsuyama"'
Autor:
Masayoshi Tabata, Chigusa Seki, Yoshiaki Yoshida, Asahi Motoshige, Haruo Matsuyama, Yasuteru Mawatari
Publikováno v:
Journal of Polymer Science Part A: Polymer Chemistry. 50:3008-3015
Polymerization of p-n-hexyloxyphenylacetylene (pHPA) by using a [Rh(norbornadine)Cl]2-triethylamine catalyst was carried out at room temperature to afford stereoregular helical poly(p-n-hexyloxyphenylacetylene)s (PpHPAs). When ethanol and n-hexane we
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2097d305dd505db056229e07692fa9d0
https://doi.org/10.1002/pola.26089
https://doi.org/10.1002/pola.26089
Autor:
Mitsukuni Yasui, N. D. M. Romauli Hutabarat, Mitsuhiro Takeshita, Nobuhiro Takano, Hiroto Nakano, Koji Uwai, Haruo Matsuyama, Hideto Takahashi, Chonticha Suttibut, Junko Takada, Masafumi Hirama, Takuya Takaguchi, Yuko Okuyama, Chigusa Seki, Yoshihito Kohari
Publikováno v:
Tetrahedron. 68:1774-1781
The chiral isoquinuclidine derivative, 2-azabicyclo[2.2.2]octane ring system, endo -(7 R )- 3 was obtained in good yield with excellent diastereoselectivity (up to 92% de) by Diels–Alder reaction of 1-(phenoxycarbonyl)-1,2-dihydropyridine 1 with N
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c8f050fba0218ea18bdd5d540f2ceb90
https://doi.org/10.1016/j.tet.2011.12.041
https://doi.org/10.1016/j.tet.2011.12.041
Autor:
Mitsuhiro Takeshita, Eunsang Kwon, Yoshihito Kohari, Haruo Matsuyama, Hiroto Nakano, Yuko Okuyama
Publikováno v:
Journal of Synthetic Organic Chemistry, Japan. 70:142-153
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ce0945a43ec89d6ac6579d2242766602
https://doi.org/10.5059/yukigoseikyokaishi.70.142
https://doi.org/10.5059/yukigoseikyokaishi.70.142
Autor:
Chigusa Seki, Yoshiaki Yoshida, Masayoshi Tabata, Toshifumi Hiraoki, Yasuteru Mawatari, Haruo Matsuyama
Publikováno v:
Polymer. 52:3917-3924
Propargyl esters, HC CCH 2 OCOC n H 2n+1 ( 1 : n = 3, 2 : n = 5, 3 : n = 9, and 4 : n = 13), were polymerized using a [Rh(nbd)Cl] 2 catalyst and cocatalyst in an appropriate solvent at 0 °C and 40 °C. Number average molecular weights, M n of the re
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2733311014679f2eaafd5c0e499d2133
https://doi.org/10.1016/j.polymer.2011.07.005
https://doi.org/10.1016/j.polymer.2011.07.005
Autor:
Yoshiaki Yoshida, Toshifumi Hiraoki, Haruo Matsuyama, Yasuteru Mawatari, Chigusa Seki, Masayoshi Tabata
Publikováno v:
Polymer. 52:646-651
The poly(propargyl acetate) ( A ) having a helical cis – transoid structure was stereospecifically prepared using the Rh complex catalyst, [Rh(norbornadiene)Cl] 2 , in MeOH or NEt 3 solvent at 0 and 40 °C in moderate yield. Electron spin resonance
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9a8cc080a828cea49fa725b194457fb6
https://doi.org/10.1016/j.polymer.2010.12.023
https://doi.org/10.1016/j.polymer.2010.12.023
Publikováno v:
Heterocycles. 82(1):843-850
Flav-3-enes were prepared in excellent yields (up to 98%) by reductive elimination of flav-3-ene-4-triflates in the presence of palladium acetate, formic acid and tri-n-buthylamine.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ac51bc1aa7534390ed5f8b4dd783ed1e
http://hdl.handle.net/10258/663
http://hdl.handle.net/10258/663
Autor:
Yuji Kato, Chigusa Seki, Noriko Oshikiri, Hiroto Nakano, Masafumi Hirama, Haruo Matsuyama, Masahiko Iyoda, Mitsuhiro Takeshita
Publikováno v:
Tetrahedron. 66(38):7618-7624
The Diels–Alder reaction of 1,2-dihydropyridine derivatives (1-phenoxycarbonyl-1,2-dihydropyridine 1 or 1-methoxycarbonyl-1,2-dihydropyridine 4) with N-acryloyl (1S)-2,10-camphorsultam (1S)-2 {or N-acryloyl (1R)-2,10-camphorsultam (1R)-2} in the pr
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::791fc6dd3d4325634f30ee963f0ea6ae
http://hdl.handle.net/10258/659
http://hdl.handle.net/10258/659
Autor:
Masashi Hasegawa, Masahiko Iyoda, Haruo Matsuyama, Yoshiyuki Kuwatani, Koji Takeda, Masato Yoshida
Publikováno v:
Journal of Sulfur Chemistry. 30:301-308
Highly polarized 4′5′-bis(methylthio), 4′,5′-ethylenedithio, and 4′,5′-ethylenedioxy-4,5-dithiocyanotetra-thiafulvalenes [BMT-TTF(SCN)2, EDT-TTF(SCN)2, and EDO-TTF(SCN)2] were synthesized in moderated yields from 2-cyanoethylthio-TTF deri
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::448f444e4b9f42d17b0bca90e74623b2
https://doi.org/10.1080/17415990902870919
https://doi.org/10.1080/17415990902870919
Autor:
Yoshihiro Miyake, Haruo Matsuyama, Yoshihiro Nishiyama, Fatema Sultana, Siriwan Sirinintasak, Kazumi Nakao, Yoshiyuki Kuwatani, Masahiko Iyoda, Anusorn Vorasingha, Masato Yoshida
Publikováno v:
Synthesis. 2004:1527-1531
A simple and efficient synthesis of tribenzohexadehydro[12]annulene and its derivatives was carried out using coupling reaction of acetylenes with iodoarenes in the presence of catalytic amounts of CuI and PPh,, together with three equivalents of K 2
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::318038c4bf85e6a98e3d84c8175ef668
https://doi.org/10.1055/s-2004-822393
https://doi.org/10.1055/s-2004-822393
Publikováno v:
Bulletin of the Chemical Society of Japan. 75:1833-1842
Reactions of perfluoroalkyl iodides with styrene and its derivatives were investigated under radical conditions in the presence of oxygen. The photochemical reaction of styrene with CF3(CF2)5I in the presence of tributyltin hydride or tris(trimethyls
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b8b25438c292308faa9b8d0d5c812ea2
https://doi.org/10.1246/bcsj.75.1833
https://doi.org/10.1246/bcsj.75.1833