Zobrazeno 1 - 10
of 89
pro vyhledávání: '"Yasuhiro Kamitori"'
Publikováno v:
Applied Sciences, Vol 2, Iss 1, Pp 129-138 (2012)
The reaction of 2,4-diethoxy-6-trifluoromethyl-3,4-dihydro-2H-pyran (1) with aromatic compounds in refluxing acetonitrile in the presence of p-toluenesulfonic acid gave the mixture of 4-aryl-2-trifluoromethyl-4H-pyrans (3) and 6-aryl-1,1,1-trifluoroh
Externí odkaz:
https://doaj.org/article/973de27d9cd34402bbda0057c31ad705
Publikováno v:
International Journal of Organic Chemistry. 8(3):273-281
Our previous research showed that aliphatic amines were put in order of high reactivity as “ethylamine > ammonia > t-butylamine > diethylamine” on the aromatic nucleophilic substitution of 1-dimetylamino-2,4-bis(trifluoroacetyl)-naphthalene 1 in
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7b0e3f5d1bffa6a360b34038663ad3be
https://hdl.handle.net/20.500.14094/90007052
https://hdl.handle.net/20.500.14094/90007052
Publikováno v:
HETEROCYCLES. 103:918
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e17e031066c6f74d7a545f94b688ba9d
https://doi.org/10.3987/com-20-s(k)62
https://doi.org/10.3987/com-20-s(k)62
Publikováno v:
HETEROCYCLES. 101:692
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::83d3490b6398eb459d34483930b93083
https://doi.org/10.3987/com-19-s(f)37
https://doi.org/10.3987/com-19-s(f)37
Publikováno v:
HETEROCYCLES. 99:694
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2b1a05da9c96d3d139d5d7acd5508d87
https://doi.org/10.3987/com-18-s(f)37
https://doi.org/10.3987/com-18-s(f)37
Publikováno v:
HETEROCYCLES. 97:451
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::fb034b3b2b128975f25485da4e7c4c21
https://doi.org/10.3987/com-18-s(t)34
https://doi.org/10.3987/com-18-s(t)34
Autor:
Yasuhiro Kamitori
Publikováno v:
Journal of Heterocyclic Chemistry. 38:773-776
1,1,1-Trifluoro-2,3-alkanediones 2 easily obtainable from various aldehyde dialkylhydrazones were reacted with several diamines to afford trifluoromethylquinoxalines 3 and trifluoromethylpyrazines 4 in good yields. With the use of aldehydes and aqueo
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0985806877ce4e2e52d2e92dccd77620
https://doi.org/10.1002/jhet.5570380339
https://doi.org/10.1002/jhet.5570380339
Autor:
Yasuhiro Kamitori
Publikováno v:
Tetrahedron Letters. 41:9267-9270
Reaction of trifluoroacetaldehyde dimethylhydrazone with TFAA yielded 3-(dimethylhydrazono)-1,1,1,4,4,4-hexafluoro-2-butanone, which could be condensed in situ with diamino compounds to afford 2,3-bis(trifluoromethyl)quinoxaline, 5,6-bis(trifluoromet
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e631366170953ba4a4cc08e99065b0cc
https://doi.org/10.1016/s0040-4039(00)01686-5
https://doi.org/10.1016/s0040-4039(00)01686-5
Autor:
Yasuhiro Kamitori
Publikováno v:
Journal of Heterocyclic Chemistry. 36:917-920
1,1,1-Trifluoroalkane-2,3-dione 3-oximes 1 easily obtainable from aldehyde dimethylhydrazones were reacted with several aldehydes and ketones in the presence of acetic acid to afford 4-trifluoromethyl-4H-[1,5,2]dioxadines 3 in satisfactory yields. Wh
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::062221d1b9e1da52c2955492053f1de8
https://doi.org/10.1002/jhet.5570360415
https://doi.org/10.1002/jhet.5570360415
Publikováno v:
Tetrahedron Letters. 34:5135-5138
Several 5-trifluoromethyl-4-pyridazinones were conveniently synthesized by silica gel-mediated cyclization reaction of 1,1,1,2,2-pentafluoroalkan-3,4-dione 4-dialkylhydrazones prepared from aldehyde dialkylhydrazones and pentafluoropropionic anhydrid
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::17aa907a78af5440e3ac5a0103891537
https://doi.org/10.1016/s0040-4039(00)60696-2
https://doi.org/10.1016/s0040-4039(00)60696-2