Category: 111-29-5

On June 30, 2021, Shao, Yuewen; Wang, Junzhe; Sun, Kai; Gao, Guoming; Li, Chao; Zhang, Lijun; Zhang, Shu; Xu, Leilei; Hu, Guangzhi; Hu, Xun published an article.Application of 111-29-5 The title of the article was Selective hydrogenation of furfural and its derivative over bimetallic NiFe-based catalysts: Understanding the synergy between Ni sites and Ni-Fe alloy. And the article contained the following:

Pentanediols (1,2-pentanediol and 1,5-pentanediol) are important feedstock for synthesis of fine chems., production of which from the biomass-derived furfural or furfuryl alc. (FA) has been considered as a sustainable route and attracted much interest. In this study, the catalysts with Ni-Fe as the metal sites and Mg-Al layered double hydroxides (LDH) as precursor of support were synthesized. The results showed that the presence of Fe in catalyst affected both the development of the pores of the catalyst and the catalytic behaviors of nickel species. A low Fe content facilitated formation of mesoporous structure, but the higher content destroyed the LDH structure, resulting in a decreased surface area. Fe could also react with metallic Ni to form NiFe alloy. This decreased the catalytic activity for the further hydrogenation of the furan ring in FA, and FA would thus have the chance to produce pentanediols via hydrogenolysis. The in-situ diffuse reflectance IR Fourier transform spectroscopy characterization of hydrogenation of FA indicated that the alloying between Fe and Ni resulted in a weak adsorption of C=C group in furan ring and moderate adsorption of C-O-C group, which suppressed the complete hydrogenation of FA while facilitated the ring-opening of FA to form the pentanediols. The experimental process involved the reaction of Pentane-1,5-diol(cas: 111-29-5).Application of 111-29-5

The Article related to furfural hydrogenation nickel iron catalyst synergistic effect, Industrial Organic Chemicals, Leather, Fats, and Waxes: Manufacture Of Industrial Organic Chemicals and other aspects.Application of 111-29-5

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On August 7, 2020, Zhu, Yanru; Zhao, Wenfang; Zhang, Jian; An, Zhe; Ma, Xiaodan; Zhang, Zhijun; Jiang, Yitao; Zheng, Lirong; Shu, Xin; Song, Hongyan; Xiang, Xu; He, Jing published an article.Safety of Pentane-1,5-diol The title of the article was Selective activation of C-OH, C-O-C, or C=C in furfuryl alcohol by engineered Pt Sites supported on layered double oxides. And the article contained the following:

The selective activation of targeted bonds in biomass-derived furfural or furfuryl alc. with complex chem. linkages (C-C/C-H/C-O, C=C/C=O, or C-O-H/C-O-C) is of great challenge for biomass upgrading, expecting well-defined catalyst and definite catalytically active sites. This work demonstrates an efficient targeted activation to C-OH, C-O-C, or C=C by engineering the structure of catalytic Pt sites, affording 2-methylfuran (2-MF), tetrahydrofurfuryl alc. (THFA), or 1,2-pentanediol (1,2-PeD) as product in the hydroconversion of furfuryl alc. The catalytic Pt sites have been engineered as at. Pt, coordination unsaturated Pt-Pt in atom-thick dispersion, or coordination unsaturated 3D Pt-Pt by tailoring the Pt dispersion (single atom, 2D cluster, or 3D cluster) on Mg and Al-containing layered double oxide (Mg(Al)O) support. The selective activation of C-OH, C-O-C, or C=C has been traced with the FT-IR spectra recorded surface reaction. On at. Pt, C-O-H is easily activated, with the assistance of Mg(Al)O support, with O-terminal adsorption without affecting furan C-O and C=C. However, C=C in the furan ring is easier to be activated on coordination-unsaturated Pt-Pt in atom-thick dispersion, resulting in a step-by-step hydrogenation to generate THFA. On coordination-unsaturated 3D Pt-Pt, the hydrogenolysis of furan ring is favored, resulting in the cleavage of furan C-O to produce 1,2-PeD. Also, the Mg(Al)O supports derived from Mg and Al layered double hydroxides (LDHs) here also play a key role in promoting the selectivity to 1,2-PeD by providing basic sites. The experimental process involved the reaction of Pentane-1,5-diol(cas: 111-29-5).Safety of Pentane-1,5-diol

The Article related to selective activation carbon oh oxygen furfuryl alc engineered, Industrial Organic Chemicals, Leather, Fats, and Waxes: Manufacture Of Industrial Organic Chemicals and other aspects.Safety of Pentane-1,5-diol

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On May 31, 2021, Cai, Xiang; Ke, Youbin; Wang, Bowei; Zeng, Yuyao; Chen, Ligong; Li, Yang; Bai, Guoyi; Yan, Xilong published an article.Electric Literature of 111-29-5 The title of the article was Efficient catalytic amination of diols to diamines over Cu/ZnO/γ-Al2O3. And the article contained the following:

Catalytic amination of diols with dimethylamine is a promising approach for the preparation of tetra-Me diamines. In this work, a series of Cu/ZnO/γ-Al2O3 catalysts were developed by co-precipitation and employed in the amination of 1,6-hexanediol (HDO) with dimethylamine (DMA) to N,N,N’,N’-tetramethyl-1,6-hexanediamine (TMHDA) in a fixed-bed reactor. Cu/ZnO/γ-Al2O3-20 exhibited remarkable catalytic performance. Nearly complete conversion of HDO was reached and 93% selectivity of TMHDA was obtained at 180°C. The excellent catalytic performance was attributed to the highly dispersion of Cu, which was promoted by doped ZnO. The results of characterizations (TEM, H2-TPR, XRD, XPS, etc.) indicated that doped ZnO could efficiently decrease the average particle size and improve the dispersion of Cu. The promoting effect could be ascribed to strong interaction between Cu and ZnO. The availability and effectiveness of Cu/ZnO/γ-Al2O3 catalyst offer a prospective way for the industrial production of tertiary diamines through amination of diols. The experimental process involved the reaction of Pentane-1,5-diol(cas: 111-29-5).Electric Literature of 111-29-5

The Article related to catalyst zinc oxide alumina copper amination diol diamine, Industrial Organic Chemicals, Leather, Fats, and Waxes: Manufacture Of Industrial Organic Chemicals and other aspects.Electric Literature of 111-29-5

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On May 20, 2020, Kuang, Bifeng; Zhang, Qian; Fang, Yanxiong; Bai, Yong; Qiu, Songbai; Wu, Ping; Qin, Yanlin; Wang, Tiejun published an article.Recommanded Product: Pentane-1,5-diol The title of the article was Ring Opening of Cyclic Ether for Selective Synthesis of Renewable 1,5-Pentanediol over Pt/WO3@SiO2 Catalysts. And the article contained the following:

In this paper, the WO3-embedded in mesoporous SiO2 framework (WO3@SiO2) was developed using facile modified sol-gel, and was further applied as the support of Pt/WO3@SiO2 catalysts during impregnation. The ring-opening of cyclic ether such as biomass-derived tetrahydrofurfuryl alc. (THFA), for selective synthesis of renewable 1, 5-pentanediol (1, 5-PeD), was efficiently accomplished over Pt/WO3@SiO2 catalysts. This special nanocomposite structure provided both abundant active sites and strong synergetic coupling, thus significantly boosting the catalytic performances. The effects of reaction parameters were also investigated on the catalytic performances, including W/Si molar ratio, reaction time, reaction temperature and reduction temperature The high THFA conversion of 82.9% and 1, 5-PeD selectivity of 72.9% were achieved under the optimized reaction conditions. The preliminary characterization results suggested that the Bronsted acid sites of HxWO3 species with proper acid amounts played an important role in controlling the selective ring-opening of THFA cyclic ether towards 1, 5-PeD. The experimental process involved the reaction of Pentane-1,5-diol(cas: 111-29-5).Recommanded Product: Pentane-1,5-diol

The Article related to ring opening catalyst cyclic ether renewable pentanediol, Industrial Organic Chemicals, Leather, Fats, and Waxes: Manufacture Of Industrial Organic Chemicals and other aspects.Recommanded Product: Pentane-1,5-diol

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On April 6, 2020, Shao, Yuewen; Wang, Junzhe; Du, Huining; Sun, Kai; Zhang, Zhanming; Zhang, Lijun; Li, Qingyin; Zhang, Shu; Liu, Qing; Hu, Xun published an article.HPLC of Formula: 111-29-5 The title of the article was Importance of Magnesium in Cu-Based Catalysts for Selective Conversion of Biomass-Derived Furan Compounds to Diols. And the article contained the following:

Selectively hydrogenating the carbonyl of furfural and opening of the furan ring is challenging but crucial for efficient conversion of furfural to pentanediols, the valuable chems. In this study, CuMgAl catalysts with highly dispersed Cu particles and tunable basic sites were synthesized with layered double hydroxides as precursors for hydrogenation of furfural to furfuryl alc. (FA) and the subsequent hydrogenolysis of FA to 1,2-pentanediol and 1,5-pentanediol. The presence of varied content of Mg in the catalyst promoted dispersion of copper oxide and exposure of metallic copper species, weakened interaction between copper oxides and the carrier, suppressed sintering of metallic copper species, and increased abundance of the basic sites, promoting the catalytic activity/selectivity/stability. Strong chem. adsorption of the furan ring in FA on basic sites of the catalyst suppressed hydrogenation of the furan ring and facilitated opening of the furan ring in FA, the rate-determining step for formation of the diols. High yields of 1,2-pentanediol and 1,5-pentanediol are achieved over the copper-based catalyst via the hydrogenolysis of furfuryl alc. The experimental process involved the reaction of Pentane-1,5-diol(cas: 111-29-5).HPLC of Formula: 111-29-5

The Article related to magnesium copper catalyst biomass furan diol, Industrial Organic Chemicals, Leather, Fats, and Waxes: Manufacture Of Industrial Organic Chemicals and other aspects.HPLC of Formula: 111-29-5

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On January 31, 2021, Fu, Xiaomin; Ren, Xiaoqian; Shen, Jiecan; Jiang, Yong; Wang, Yuehua; Orooji, Yasin; Xu, Wenlong; Liang, Jinhua published an article.Electric Literature of 111-29-5 The title of the article was Synergistic catalytic hydrogenation of furfural to 1,2-pentanediol and 1,5-pentanediol with LDO derived from CuMgAl hydrotalcite. And the article contained the following:

A series of layer double metal oxides (LDO) from CuMgAl hydrotalcite precursors were prepared by urea decomposition under different calcination temperatures in this work. Various characterizations including x-ray diffraction, SEM, FTIR, XPS, H2-TPR, NH3-TPD and CO2-TPD were carried out to investigate the structural properties of the as-prepared samples. After calcination at certain temperatures, the resulted LDO presents the excellent catalytic property in the selective hydrogenolysis of furfural (FA) to 1,2-pentanediol (1,2-PeD) and 1,5-pentanediol (1,5-PeD). The Cu+/Cu2+ ratio and the acid-base amount from the calcination process play the key role in the catalytic performance towards this reaction. The optimal catalyst (CuMgAlO-S3) with the maximal Cu+/Cu2+ ratio and the acid-base amount exhibits the best catalytic performance towards hydrogenation of furfural to 1,2-pentanediol (selectivity 55.2%.) and 1,5-pentanediol (selectivity 28.5%) with more than 80% of conversion rate, which indicated the selectivity of 1,2- and 1,5-PeDs counted on the synergistic effect of Cu+ and acid-base properties. The experimental process involved the reaction of Pentane-1,5-diol(cas: 111-29-5).Electric Literature of 111-29-5

The Article related to hydrotalcite layered double oxide catalyst furfural hydrogenolysis pentanediol, Industrial Organic Chemicals, Leather, Fats, and Waxes: Manufacture Of Industrial Organic Chemicals and other aspects.Electric Literature of 111-29-5

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Li, Xinsheng; Pang, Jifeng; Zhang, Jingcai; Li, Xianquan; Jiang, Yu; Su, Yang; Li, Weizhen; Zheng, Mingyuan published an article in 2021, the title of the article was Tuning the reaction selectivity over MgAl spinel-supported Pt catalyst in furfuryl alcohol conversion to pentanediols.Formula: C5H12O2 And the article contains the following content:

Catalytic conversion of biomass-derived feedstock to high-value chems. is of remarkable significance for alleviating dependence on fossil energy resources. MgAl spinel-supported Pt catalysts were prepared and used in furfuryl alc. conversion. The approaches to tune the reaction selectivity toward pentanediols (PeDs) were investigated and the catalytic performance was correlated to the catalysts’ physicochem. properties based on comprehensive characterizations. It was found that 1-8 weight% Pt was highly dispersed on the MgAl2O4 support as nanoparticles with small sizes of 1-3 nm. The reaction selectivity did not show dependence on the size of Pt nanoparticles. Introducing LiOH onto the support effectively steered the reaction products toward the PeDs at the expense of tetrahydrofurfuryl alc. (THFA) selectivity. Meanwhile, the major product in PeDs was shifted from 1,5-PeD to 1,2-PeD. The reasons for the PeDs selectivity enhancement were attributed to the generation of a large number of medium-strong base sites on the Li-modified Pt catalyst. The reaction temperature is another effective factor to tune the reaction selectivity. At 230°C, PeDs selectivity was enhanced to 77.4% with a 1,2-PeD to 1,5-PeD ratio of 3.7 over 4Pt/10Li/MgAl2O4. The Pt/Li/MgAl2O4 catalyst was robust to be reused five times without deactivation. The experimental process involved the reaction of Pentane-1,5-diol(cas: 111-29-5).Formula: C5H12O2

The Article related to pentanediol furfuryl alc magnesium aluminate platinum catalyst tuning reaction, Industrial Organic Chemicals, Leather, Fats, and Waxes: Manufacture Of Industrial Organic Chemicals and other aspects.Formula: C5H12O2

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On August 20, 2021, Cao, Peng; Lin, Lu; Qi, Haifeng; Chen, Rui; Wu, Zhijie; Li, Ning; Zhang, Tao; Luo, Wenhao published an article.HPLC of Formula: 111-29-5 The title of the article was Zeolite-Encapsulated Cu Nanoparticles for the Selective Hydrogenation of Furfural to Furfuryl Alcohol. And the article contained the following:

Catalytic hydrogenation of furfural (FFL) to furfuryl alc. (FAL) is one of the pivotal reactions for biomass valorization. Herein, well-defined Cu nanoparticles of ~1.8 nm encapsulated within titanium silicalite-1 (TS-1) have been successfully prepared by an in situ encapsulation approach, which possesses significant advantages in metal dispersion and uniformity compared to the traditional wet impregnation method. After a Na ion-exchange process for modulation of the zeolite microenvironment, the obtained Na-Cu@TS-1 catalyst affords an enhanced activity and selectivity in the selective hydrogenation of FFL into FAL, with a FFL conversion of 93.0% and a FAL selectivity of 98.1% at 110°C, 10 bar H2, after a reaction time of 2 h. A turnover frequency value of 55.2 h-1 has been achieved, reflecting some of the highest activity for Cu-based heterogeneous catalysts under similar conditions. Comprehensive characterization studies reveal that the confined environment of the zeolite could not only provide the spatial restriction for metal particles but also induce an electronic interaction between encapsulated Cu nanoparticles and Ti species in Na-Cu@TS-1, which both lead to effective suppression of the metal aggregation and leaching during catalysis. Na species, added by the ion exchange, not only mediate the acid/basic property of the zeolite for suppressing the side reactions but also modulate the encapsulated Cu species into an electronic-rich state, facilitating the FFL hydrogenation. Deactivation of Na-Cu@TS-1 is primarily caused by Na leaching into the liquid phase, but activity can be almost restored after a Na readdn. process. The experimental process involved the reaction of Pentane-1,5-diol(cas: 111-29-5).HPLC of Formula: 111-29-5

The Article related to zeolite encapsulated copper nanoparticle hydrogenation furfural furfuryl alc, Industrial Organic Chemicals, Leather, Fats, and Waxes: Manufacture Of Industrial Organic Chemicals and other aspects.HPLC of Formula: 111-29-5

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On September 30, 2021, Li, Xinsheng; Pang, Jifeng; Luo, Wenhao; Zhao, Yu; Pan, Xiaoli; Zheng, Mingyuan published an article.Name: Pentane-1,5-diol The title of the article was Catalytic Conversion of Tetrahydrofurfuryl Alcohol over Stable Pt/MoS2 Catalysts. And the article contained the following:

MoS2 supported noble metal catalysts were used for the catalytic conversion of terahydrofurfuryl alc. (THFA) to 1,5-pentanediol (1,5-PDO) and its derivate tetrahydropyrane (THP). Over the optimal 4%Pt/MoS2-FR catalyst, 75.8% overall selectivity (35.4% to 1,5-PDO and 40.4% to THP) and 63.7% conversion of 5 wt% THFA solution were obtained after 8 h reaction at 250°C. The catalyst showed stable catalytic performance in five-cycle reactions, demonstrating the robustness of Pt/MoS2 under the harsh hydrothermal and hydrogenation conditions. A variety of characterizations, including CO-DRIFTS, HRTEM, H2-TPR, Raman spectroscopy and XPS revealed that typical behavior of strong metal-support interaction (SMSI) existed between Pt and MoS2, largely caused by the coverage of MoS2 over Pt and rarely reported previously. The Pt/MoS2 had intact structure under the harsh conditions thanks to the SMSI and chem. stability of MoS2. The acidity of Pt/MoS2 was negligible, and the active sites for the reaction were attributed to Pt and the Mo sites interacting closely on the catalysts. The reaction pathway was proposed according to the product distributions and the results of conditional experiments The experimental process involved the reaction of Pentane-1,5-diol(cas: 111-29-5).Name: Pentane-1,5-diol

The Article related to platinum molybdenum disulfide catalyst tetrahydrofurfuryl alc hydrogenation, Industrial Organic Chemicals, Leather, Fats, and Waxes: Manufacture Of Industrial Organic Chemicals and other aspects.Name: Pentane-1,5-diol

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On October 31, 2020, Yeh, Jyun-Yi; Matsagar, Babasaheb M.; S. Chen, Season; Sung, Hsiang-Ling; Tsang, Daniel C. W.; Li, Yi-Pei; Wu, Kevin C.-W. published an article.Reference of Pentane-1,5-diol The title of the article was Synergistic effects of Pt-embedded, MIL-53-derived catalysts (Pt@Al2O3) and NaBH4 for water-mediated hydrogenolysis of biomass-derived furfural to 1,5-pentanediol at near-ambient temperature. And the article contained the following:

We demonstrate an effective and selective conversion of biomass-derived furfural (FAL) to 1,5-pentanediol (1,5-PD) with high yields through a water-mediated hydrogenolysis process under mild reaction conditions (45°C, aqueous media). A novel alumina-supported platinum catalyst (Pt@Al2O3) with high-loading and uniform distribution of Pt nanoparticles is prepared through in situ synthesis of Pt-embedded metal-organic frameworks (i.e., MIL-53(Al)-NH2). As a typical example, a high yield of 75.2% 1,5-PD can be achieved from FAL conversion. A possible reaction mechanism is proposed based on the exptl. and computational findings, including XPS anal., kinetic studies, acidity measurements, and d. functional theory (DFT) calculations The high effectiveness of the proposed system is attributed to (1) the strong metal support interaction (SMSI) between Pt and penta-coordination aluminum, and (2) the synergistic effects of Bronsted acidic alumina support and the presence of sodium metaborate (NaBO2). Sodium borohydride (NaBH4) acts as both a hydrogen donor and a precursor for NaBO2, which results in an exclusive FAL to 1,5-PD (i.e., no 1,2-pentanediol) by regulating the water-mediated hydrogenolysis pathway as revealed by experiments and DFT calculations The reaction strategy proposed in this study has also manifested remarkable versatility for a wide range of furan derivatives The experimental process involved the reaction of Pentane-1,5-diol(cas: 111-29-5).Reference of Pentane-1,5-diol

The Article related to synergistic platinum embedded catalyst al2o3 nabh4 hydrogenolysis biomass, Industrial Organic Chemicals, Leather, Fats, and Waxes: Manufacture Of Industrial Organic Chemicals and other aspects.Reference of Pentane-1,5-diol

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