Zobrazeno 1 - 10
of 104
pro vyhledávání: '"Kiyoshi Tanemura"'
Autor:
Taoufik Rohand, Kiyoshi Tanemura
Publikováno v:
Acta Chimica Slovenica, Vol 68, Iss 2, Pp 387-394 (2021)
A kinetic and mechanistical studies of the new pathway for competitive transformation of ethylene glycol by alumina and silica gel have been described. Commercial alumina (Al com), synthetic alumina (Al syn), commercial silica gel (Si com) and synthe
Externí odkaz:
https://doaj.org/article/fc1f87b9cce8464696231786aba5e6aa
Autor:
Kiyoshi Tanemura
Publikováno v:
Results in Chemistry, Vol 4, Iss , Pp 100316- (2022)
A variety of chalcones were synthesized by the reactions between benzaldehydes and acetophenones catalyzed by Ba(OH)2. The reactions in the presence of a small amount of DMF or 1-ethyl-3-methylimidazolium dicyanamide ([emim]N(CN)2) were faster than t
Externí odkaz:
https://doaj.org/article/93e95a7e4c5f4e969841c851c9078d9e
Autor:
Kiyoshi Tanemura
Publikováno v:
Results in Chemistry, Vol 4, Iss , Pp 100486- (2022)
Various aldehydes and ketones were treated with a stoichiometric amount of NaBH4 by the addition of a small amount of MeOH or EtOH to give the corresponding alcohols in excellent yields. The reactions were much faster than those of the corresponding
Externí odkaz:
https://doaj.org/article/85a4825c09484c02a90167f3c3a1a564
Autor:
Kiyoshi Tanemura, Taoufik Rohand
Publikováno v:
Acta Chimica Slovenica, Vol 68, Iss 2, Pp 387-394 (2021)
A kinetic and mechanistical studies of the new pathway for competitive transformation of ethylene glycol by alumina and silica gel have been described. Commercial alumina (Al com), synthetic alumina (Al syn), commercial silica gel (Si com) and synthe
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f47249ddae6d8ec6c1d40c11b09972ea
https://doi.org/10.17344/acsi.2020.6422
https://doi.org/10.17344/acsi.2020.6422
Autor:
Kiyoshi Tanemura
Publikováno v:
Tetrahedron. :133470
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::98393b31e17342c05022e49f8df56a24
https://doi.org/10.1016/j.tet.2023.133470
https://doi.org/10.1016/j.tet.2023.133470
Autor:
Kiyoshi, Tanemura
Publikováno v:
日本歯科大学紀要. 一般教育系 = Bulletin of the Nippon Dental University. General education. 49:1-4
Several new synthetic organic reactions using silica gel and mesoporous silica were developed: 1)Nitroaldol reactions in the presence of a catalytic amount of amines using silica gel and mesoporous silica, 2) the addition of hydrogen halides to alken
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=jairo_______::34118391d174b1986e7306f1b6175463
http://id.nii.ac.jp/1102/00000941/
http://id.nii.ac.jp/1102/00000941/
Publikováno v:
Synlett. 31:903-906
A variety of 1,3-disubstituted naphthalenes have been prepared by palladium-catalyzed annulation of (o-ethynylphenyl)acetyl chloride with design of a new synthetic strategy by Stille coupling using functionalized organostannanes. The method affords e
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::607ee2221987a3fd80f621c78db3d643
https://doi.org/10.1055/s-0039-1690850
https://doi.org/10.1055/s-0039-1690850
Autor:
Kiyoshi Tanemura
Publikováno v:
Tetrahedron Letters. 60:1924-1928
Silica gel-mediated self-aldol reactions were catalyzed by piperidine to give the corresponding α,β-conjugated aldehydes in good yields. The aldol reactions of 4-nitro-, 4-trifluoromethyl-, and 4-chlorobenzaldehydes with acetone afforded the corres
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2a7fd843205852b3e2cf975220ef641e
https://doi.org/10.1016/j.tetlet.2019.06.030
https://doi.org/10.1016/j.tetlet.2019.06.030
Autor:
Yavuz Derin, Ahmet Tutar, Kiyoshi Tanemura, Hicham Ben El Ayouchia, Hafid Achtak, Adib Ghaleb, Taoufik Rohand
A Schiff base, 5-(4-methylphenyl)-4-[(pyridin-2-ylmethylidene)amino]-4H-1,2,4-oxadiazole as a bidentate ligand has been synthesized by the reaction between the 4-amino-5-(4-methylphenyl)-4H-1,3,4-oxadiazole and aromatic aldehyde. The Schiff base reac
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9a2093e16f880acdd6be863cc0aaa2eb
Autor:
Kiyoshi Tanemura
Publikováno v:
Tetrahedron Letters. 59:4293-4298
Silica gel-mediated hydrochlorination of unactivated alkenes using 35% hydrochloric acid under organic solvent-free conditions proceeded to give the corresponding chlorides in good yields. Hydrobromination or hydriodination using 47% hydrobromic acid
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0c455298b7deb806bc57f8a13610b54e
https://doi.org/10.1016/j.tetlet.2018.10.043
https://doi.org/10.1016/j.tetlet.2018.10.043