Zobrazeno 1 - 10
of 76
pro vyhledávání: '"Tetsu Yamakawa"'
Publikováno v:
Advanced Synthesis & Catalysis. 360:1007-1018
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b6bcb942516a2c6a1b0a7a321bc3bdcc
https://doi.org/10.1002/adsc.201701356
https://doi.org/10.1002/adsc.201701356
Palladium-catalysed Buchwald-Hartwig amination of ortho-substituted hindered aryl bromides or chlorides with 9H-carbazole has been investigated. In the amination of 1-bromo- or chloronaphthalene with 9H-carbazole, the combined use of Pd2(dba)3 as a P
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1366ab3098e53e27d226869bd4d76d6a
Autor:
Yuhki Ohtsuka, Tetsu Yamakawa
Publikováno v:
Journal of Fluorine Chemistry. 185:96-102
Cobalt/diamine-catalyzed 1,1-difluoroethylation and 2,2,2-trifluoroethylation of aryl Grignard reagents with 1,1-difluoroethyl and 2,2,2-trifluoroethyl halides were investigated. With regard to the 1,1-difluoroethylation, 1,2-bis(dimethylamino)-2-met
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2410966537188a1501dde195f82e9f9c
https://doi.org/10.1016/j.jfluchem.2016.03.007
https://doi.org/10.1016/j.jfluchem.2016.03.007
Publikováno v:
Journal of Fluorine Chemistry. 181:1-6
The trifluoromethylation of enamines of ethyl 3-oxocarboxylates catalyzed by Fenton reagent with CF3I was investigated. Trifluoromethylation followed by acid hydrolysis provided 3-oxo-2-(trifluoromethyl)carboxylates in 64–94% yields, which were gre
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::dc7f34b3d9cdcdd34a3685182a358e7c
https://doi.org/10.1016/j.jfluchem.2015.10.013
https://doi.org/10.1016/j.jfluchem.2015.10.013
Publikováno v:
Tetrahedron. 71:19-26
The combination of 0 valent palladium precursor and bromo-substituted 1,3-diaryl-imidazoline carbene ligand precursor such as 1-(2-bromophenyl)-3-(2,6-diisopropylphenyl)-imidazolinium chloride 1a exhibited high catalytic activity for the 1,2-addition
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6706ca4731de9a90105a8587639815ed
https://doi.org/10.1016/j.tet.2014.11.051
https://doi.org/10.1016/j.tet.2014.11.051
Autor:
Tetsu Yamakawa, Tetsuya Yamamoto
Publikováno v:
RSC Advances. 5:105829-105836
Ruthenium-catalyzed ortho-selective C–H arylation of acylarenes with halogenated arylboronates was promoted by the catalytic amount of bases and provided desired halogenated biaryls in excellent yields under 0.2–1 mol% ruthenium catalyst loading.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a40dc44806fa4a31d5536876c418c6c7
https://doi.org/10.1039/c5ra19810k
https://doi.org/10.1039/c5ra19810k
Autor:
Yohei Oe, Tetsuo Ohta, Ryoji Tanaka, Takuma Furusawa, Tetsu Yamakawa, Azamat Zhumagazin, Tetsuya Yamamoto
Publikováno v:
Advanced Synthesis & Catalysis. 356:3525-3529
Cyclometallated NHC palladium complexes prepared from palladium(II) acetate [Pd(OAc)2] and unsymmetrical 1,3-diarylimidazolinium salts catalyzed the hydroxymethylation of (hetero)arylboronic acids using an excess amount of formalin to afford (hetero)
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::40169bc29e91d93a2d8e487461e4406b
https://doi.org/10.1002/adsc.201400845
https://doi.org/10.1002/adsc.201400845
Publikováno v:
Journal of Fluorine Chemistry. 161:34-40
Synthesis of 4,4,4-trifluorobutanal by Rh-catalyzed hydroformylation of 3,3,3-trifluoropropene with bis(4,5-diphenylphosphino)xanthene as a ligand was investigated. The uses of [Rh(OH)(cod)] 2 (cod = 1,5-cyclooctadinene) and dimethylformamide in CO/H
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::620eb3eff25f903d5685a3d7f4bbefff
https://doi.org/10.1016/j.jfluchem.2014.02.005
https://doi.org/10.1016/j.jfluchem.2014.02.005
Publikováno v:
ChemInform. 47
The trifluoromethylation of enamines of ethyl 3-oxocarboxylates catalyzed by Fenton reagent with CF3I was investigated. Trifluoromethylation followed by acid hydrolysis provided 3-oxo-2-(trifluoromethyl)carboxylates in 64–94% yields, which were gre
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2dfb383cbb0a58217c35286091783094
https://doi.org/10.1002/chin.201619041
https://doi.org/10.1002/chin.201619041
Autor:
Tetsuya Yamamoto, Tetsu Yamakawa
Publikováno v:
ChemInform. 47
Ruthenium-catalyzed ortho-selective C–H arylation of acylarenes with halogenated aryl-boronates was promoted by the catalytic amount of bases and provided desired halogenated biaryls in excellent yields under 0.2–1 mol% ruthenium catalyst loading
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8b626948217fec1dcc8d2d06642a5194
https://doi.org/10.1002/chin.201618055
https://doi.org/10.1002/chin.201618055