Zobrazeno 1 - 6
of 6
pro vyhledávání: '"Yoshinari Akiyama"'
Autor:
Shin-ichiro Fujita, Masahiko Arai, Haiyang Cheng, Takuya Yamada, Yoshinari Akiyama, Fengyu Zhao
Publikováno v:
Journal of Supercritical Fluids. 54(2):190-201
Hydrogenation of phenol to cyclohexanone and cyclohexanol in/under compressed CO2 was examined using commercial Rh/C and Rh/Al2O3 catalysts to investigate the effects of CO2 pressurization on the total conversion and the product selectivity. Although
Autor:
Yoshinari Akiyama, Fengyu Zhao, Xiangchun Meng, Norman Lu, Haiyang Cheng, Masahiko Arai, Shin-ichiro Fujita, Y.-C. Chen
Publikováno v:
The Journal of Supercritical Fluids. 51:209-216
The Heck reaction of iodobenzene and methyl acrylate was investigated with CO 2 -philic Pd complex catalysts having fluorous ponytails and the organic base triethylamine (Et 3 N) in the presence of CO 2 under solventless conditions at 80 °C. The cat
Autor:
Masahiko Arai, Haiyang Cheng, Yancun Yu, Yufen Hao, Xiangchun Meng, Shin-ichiro Fujita, Weibin Qiao, Yoshinari Akiyama, Fengyu Zhao
Publikováno v:
Journal of Catalysis. 264:1-10
The selective hydrogenation of nitrobenzene (NB) over Ni/gamma-Al2O3 Catalysts Was investigated using different media of dense phase CO2, ethanol, and n-hexane. In dense phase CO2, the total rate of NB hydrogenation was larger than that in organic so
Publikováno v:
The Journal of Supercritical Fluids. 46:197-205
The interactions between a variety of carbonyl compounds (ketones, esters, and amides) and dense phase CO2 have been investigated by in situ high pressure FTIR measurements. The gas and liquid phase spectra of these compounds have also been measured
Autor:
Masahiko Arai, Jian Hao, T. Tanaka, Yoshinari Akiyama, Fengyu Zhao, K. Asai, Shin-ichiro Fujita
Publikováno v:
Advanced Synthesis & Catalysis. 350:1615-1625
Heck coupling reactions of methyl acrylate with various aryl bromides have been investigated using a Pd/TPP catalyst in toluene under pressurized CO2 conditions up to 13 MPa. Although CO2 is not a reactant, the pressurization of the reaction liquid p
Publikováno v:
International Journal of Molecular Sciences
International Journal of Molecular Sciences; Volume 8; Issue 8; Pages: 749-759
International Journal of Molecular Sciences, Vol 8, Iss 8, Pp 749-759 (2007)
International Journal of Molecular Sciences; Volume 8; Issue 8; Pages: 749-759
International Journal of Molecular Sciences, Vol 8, Iss 8, Pp 749-759 (2007)
Hydroformylation of cyclohexene was studied with a catalyst system of Ru3(CO)12 and LiCl using H2 and CO2 instead of CO in NMP. The influence of H2 and CO2 pressures on the total conversion and the product distribution was examined. It was shown that