Selective hydrogenation of higher saturated carboxylic acids to alcohols using a ReOx–Pd/SiO2 catalyst

Takeda, Yasuyuki; Nakagawa, Yoshinao; Tomishige, Keiichi

doi:10.1039/c2cy20302b

Cited by 107 publications

(88 citation statements)

References 18 publications

(20 reference statements)

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“…Next, the Ru/C catalyst was modified by further loading of secondary metals. The modification of noble metal catalysts with secondary metals is often effective in improving the hydrodeoxygenation performances [60][61][62][63][64][65][66][67]. The performance of catalysts (molar ratio of secondary metal to Ru = 0.25) is summarized in Table 2 (2 h reactions) and Table S2 (0.5 h reactions).…”

Section: Catalyst Optimization For Demethoxylation Of Guaiacolmentioning

confidence: 99%

Demethoxylation of guaiacol and methoxybenzenes over carbon-supported Ru–Mn catalyst

Ishikawa

Tamura

Nakagawa

et al. 2016

Applied Catalysis B: Environmental

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124

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Section: Catalyst Optimization For Demethoxylation Of Guaiacolmentioning

confidence: 99%

Demethoxylation of guaiacol and methoxybenzenes over carbon-supported Ru–Mn catalyst

Ishikawa

Tamura

Nakagawa

et al. 2016

Applied Catalysis B: Environmental

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124

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“…1,4-AHERY is the dehydration product of biomass-derived erythritol. [29] The target product is tetrahy- [30,31] Indeed, we also tested various combinations of Group 5-7 metal (MO x ) + Pd ( Figure S1) and ReO x + noble metal ( Figure S2) using a silica support. Other combinations than ReO x -Pd showed lower activity and/or lower selectivity to THF.…”

mentioning

confidence: 99%

Hydrodeoxygenation of Vicinal OH Groups over Heterogeneous Rhenium Catalyst Promoted by Palladium and Ceria Support

et al. 2014

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Heterogeneous ReO x -Pd/CeO 2 catalyst showed excellent performance for simultaneous hydrodeoxygenation of vicinal OH groups. High yield (> 99 %), turnover frequency (300 h À1 ), and turnover number (10 000) are achieved in the reaction of 1,4-anhydroerythritol to tetrahydrofuran. This catalyst can be applied to sugar alcohols, and mono-alcohols and diols are obtained in high yields (! 85 %) from substrates with even and odd numbers of OH groups, respectively. The high catalytic performance of ReO x -Pd/CeO 2 can be assigned to rhenium species with + 4 or + 5 valence state, and the formation of this species is promoted by H 2 /Pd and the ceria support.

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“…Moreover, we also studied the catalytic performances of MoO x /SiO 2 and its physical mixture with Rh/SiO 2 . To facilitate the comparison, the Rh and/or Mo content in these catalysts were kept the same as the 75 ones in 4%Rh-MoO x /SiO 2 (Mo/Rh = 0.13). As shown in Table 1 19.0 a: 1,4-PeD = 1,4-Pentanediol; 2-Peol = 2-Pentanol; 1-Peol = 1-Pentanol; GVL = γ-valerolactone; MTHF = 2-Methyl-tetrahydrofuran; Others means alkanes and some unidentified products (detail information was offered in Table S1 of supporting information).…”

mentioning

confidence: 99%

Reduced Carbon Dots versus Oxidized Carbon Dots: Photo‐ and Electrochemiluminescence Investigations for Selected Applications

Feng

et al. 2013

Chemistry A European J

144

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The study of the composition, morphology, and surface structure of carbon dots (Cdots) is critical to understanding their effect on the photo‐ and electrochemiluminescence (PL and ECL) of Cdots in selected applications. Herein, two kinds of Cdots were prepared with 3‐(3,4‐dihydroxyphenyl)‐L‐alanine (L‐DOPA) as precursor. The Cdots prepared by using a carbonization‐extraction strategy have a low oxidation level and are denoted as reduced Cdots (r‐Cdots). The Cdots obtained with a carbonization‐oxidation process are highly oxidized and are denoted as oxidized Cdots (o‐Cdots). The o‐Cdots have a carbon core and oxygen‐containing loose shell, but the r‐Cdots consist mainly of the carbon core. Whereas r‐Cdots have a strong blue PL but no apparent ECL response, o‐Cdots exhibit a relatively weak PL and strong ECL emission. These properties allow for selected applications of the Cdots. The r‐Cdots were used in cell imaging with their high PL emission. The o‐Cdots, with their high ECL efficiencies, were selected to sense Cu2+ with Cu2+‐inducing ECL quenching in the o‐Cdots/K2S2O8 system. This work provides the possibility to control the composition of Cdots for selected applications and shows a good way to characterize surface traps of Cdots because ECL is characterized by the surface‐state and PL is mainly related to the core‐state in Cdots.

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Selective hydrogenation of higher saturated carboxylic acids to alcohols using a ReOx–Pd/SiO2 catalyst

Cited by 107 publications

References 18 publications

Demethoxylation of guaiacol and methoxybenzenes over carbon-supported Ru–Mn catalyst

Demethoxylation of guaiacol and methoxybenzenes over carbon-supported Ru–Mn catalyst

Hydrodeoxygenation of Vicinal OH Groups over Heterogeneous Rhenium Catalyst Promoted by Palladium and Ceria Support

Reduced Carbon Dots versus Oxidized Carbon Dots: Photo‐ and Electrochemiluminescence Investigations for Selected Applications

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