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Oxidative Conversion of Glucose to Formic Acid as a Renewable Hydrogen Source Using an Abundant Solid Base Catalyst.

Atsushi Takagaki, Wataru Obata, Tatsumi Ishihara,

Formic acid is one of the most desirable liquid hydrogen carriers. The selective production of formic acid from monosaccharides in water under mild reaction conditions using solid catalysts was investigated. Calcium oxide, an abundant solid base catalyst available from seashell or limestone by thermal decomposition, was found to be the ... Read more >>

ChemistryOpen (ChemistryOpen)
[2021, :]

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Effect of para-Substituents in Ethylene Copolymerizations with 1-Decene, 1-Dodecene, and with 2-Methyl-1-Pentene Using Phenoxide Modified Half-Titanocenes-MAO Catalyst Systems.

Suphitchaya Kitphaitun, Qing Yan, Kotohiro Nomura,

Effect of para-substituents in the ethylene (E) copolymerization with 1-decene (DC), 1-dodecene (DD), and with 2-methyl-1-pentene (2M1P) using a series of Cp*TiCl<sub>2</sub> (O-2,6-<sup>i</sup> Pr<sub>2</sub> -4-R-C<sub>6</sub> H<sub>2</sub> ) [R=H (1), <sup>t</sup> Bu (2), Ph (3), CHPh<sub>2</sub> (4), CPh<sub>3</sub> (5), SiMe<sub>3</sub> (6), SiEt<sub>3</sub> (7), and newly prepared 4-<sup>t</sup> BuC<sub>6</sub> H<sub>4</sub> (8) and ... Read more >>

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[2021, :]

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Front Cover: Linear Multiselenium Interactions in Dicationic Oligomers of 1,5‐(Diselena)canes: Behavior of Semc σ(mcc‐nee) (6≤mc≤16) Elucidated with QTAIM Dual Functional Analysis (ChemistryOpen 7/2021)

Satoko Hayashi, Taro Nishide, Kengo Nagata, Waro Nakanishi,

The Front Cover shows the key message of our work, that is, the covalency of the chalcogen bonds, in an elegantly simple and attractive manner. To that end, the chalcogen bonds are represented by schematic 3D structures of the bond donor D2Ch and the bond acceptor A‐, and their attractive ... Read more >>

ChemistryOpen (ChemistryOpen)
[2021, 10(7):653-653]

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Linear Multiselenium Interactions in Dicationic Oligomers of 1,5-(Diselena)canes: Behavior of Semc σ(mc c-ne e) (6≤mc ≤16) Elucidated with QTAIM Dual Functional Analysis.

Satoko Hayashi, Taro Nishide, Kengo Nagata, Waro Nakanishi,

Invited for this month's cover picture is the group of Dr. Satoko Hayashi at Faculty of Systems Engineering and Chemistry at Wakayama University. The cover picture shows the linear Se<sub>16</sub> σ(16c-30e) interactions, illustrated by the molecular graph type on the optimized structure of the dicationic octamer of 1,5-(diselena)cane. HOMO-1 of ... Read more >>

ChemistryOpen (ChemistryOpen)
[2021, 10(7):655]

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Aggregation Induced Emissive Luminogens for Sensing of Toxic Elements.

Geeta A Zalmi, Vilas K Gawade, Dinesh N Nadimetla, Sheshanath V Bhosale,

The major findings in the growing field of aggregation induced emissive (AIE) active materials for the detection of environmental toxic pollutants have been summarized and discussed in this Review article. Owing to the underlying photophysical phenomenon, fluorescent AIE active molecules show more impact on sensing applications. The major focus in ... Read more >>

ChemistryOpen (ChemistryOpen)
[2021, 10(7):681-696]

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Cover Feature: A Novel Graphene Quantum Dot‐Based mRNA Delivery Platform (ChemistryOpen 7/2021)

Ya Liu, Changhong Zhao, Alan Sabirsh, Lilei Ye, Xiaoqiu Wu, Hongbin Lu, Johan Liu,

The Cover Feature shows a novel graphene quantum dots based mRNA drug delivery platform. The results show that these modified GQDs can deliver intact and functional mRNA to Huh‐7 hepatocarcinoma cells at low doses. This work describes the first steps towards a potentially interesting preparation method for stable and effective ... Read more >>

ChemistryOpen (ChemistryOpen)
[2021, 10(7):654-654]

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Evaluation of 3- and 4-Phenoxybenzamides as Selective Inhibitors of the Mono-ADP-Ribosyltransferase PARP10.

Patricia Korn, Arno Classen, Sudarshan Murthy, Riccardo Guareschi, Mirko M Maksimainen, Barbara E Lippok, Albert Galera-Prat, Sven T Sowa, Catharina Voigt, Giulia Rossetti, Lari Lehtiö, Carsten Bolm, Bernhard Lüscher,

Intracellular ADP-ribosyltransferases catalyze mono- and poly-ADP-ribosylation and affect a broad range of biological processes. The mono-ADP-ribosyltransferase PARP10 is involved in signaling and DNA repair. Previous studies identified OUL35 as a selective, cell permeable inhibitor of PARP10. We have further explored the chemical space of OUL35 by synthesizing and investigating structurally ... Read more >>

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[2021, :]

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Hydrogenolysis of Furfuryl Alcohol to 1,2-Pentanediol Over Supported Ruthenium Catalysts.

Aritomo Yamaguchi, Yuka Murakami, Tomohiro Imura, Kazuaki Wakita,

Hydrogenolysis of the furan rings of furfural and furfuryl alcohol, which can be obtained from biomass, has attracted attention as a method for obtaining valuable chemicals such as 1,2-pentanediol. In this study, we examined the hydrogenolysis of furfuryl alcohol to 1,2-pentanediol over Pd/C, Pt/C, Rh/C, and various supported Ru catalysts ... Read more >>

ChemistryOpen (ChemistryOpen)
[2021, :]

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Identification of anti-Parkinson's Disease Lead Compounds from Aspergillus ochraceus Targeting Adenosin Receptors A2A.

Linzhen Hu, Shuying Tian, Rongrong Wu, Zhou Tong, Wen Jiang, Ping Hu, Xueyang Xiao, Xueke Zhang, Hui Zhou, Qingyi Tong, Yuanyuan Lu, Zhiyong Huang, Yong Chen, Yonghui Zhang,

Two novel alkaloids compounds together with fifteen know metabolites were identified from Aspergillus ochraceus. The stereochemistry features of the new molecules were determined via HRESIMS, NMR, ECD, and XRD analyses. Amongst these, compounds two compounds exhibited potential efficacy as anti-Parkinson's disease with the EC<sub>50</sub> values of 2.30 and 2.45 μM, respectively. ... Read more >>

ChemistryOpen (ChemistryOpen)
[2021, 10(6):630-638]

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Cover Feature: Oxidation of Benzyl Alcohol Using Cobalt Oxide Supported Inside and Outside Hollow Carbon Spheres (ChemistryOpen 6/2021)

Pumza Mente, Victor Mashindi, Tumelo N. Phaahlamohlaka, Thabo N. Monyatsi, Roy P. Forbes, Neil J. Coville,

The Cover Feature shows the cobalt oxide nanoparticles supported both inside and outside hollow carbon spheres (HCSs), which serve as a catalyst for benzyl alcohol oxidation. A metal oxidation step prior to the reaction enhanced the catalytic activity of benzyl alcohol which was used as a model reaction for the ... Read more >>

ChemistryOpen (ChemistryOpen)
[2021, 10(6):608-608]

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Front Cover: Hydroxymethylfurfural as an Intermediate of Cellulose Carbonization (ChemistryOpen 6/2021)

Takashi Nomura, Eiji Minami, Haruo Kawamoto,

The Front Cover shows the carbonization pathway of cellulose via 5‐hydroxymethylfurfural as an important intermediate. Thermochemical conversion is one of the promising technologies to convert cellulose, which is the main component of lignocellulosic biomass, into biofuels and biochemicals. Understanding the molecular mechanism of thermal degradation of cellulose is important for ... Read more >>

ChemistryOpen (ChemistryOpen)
[2021, 10(6):607-607]

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Polymer-Supported Liquid Layer Electrolyzer Enabled Electrochemical CO2 Reduction to CO with High Energy Efficiency.

Shangyu Li, Yiwen Ma, Tiancheng Zhao, Jiaxin Li, Xinyue Kang, Wen Guo, Yunzhou Wen, Liping Wang, Yurui Wang, Renxing Lin, Tiantian Li, Hairen Tan, Huisheng Peng, Bo Zhang,

The electrochemical conversion of carbon dioxide (CO<sub>2</sub> ) to carbon monoxide (CO) is a favorable approach to reduce CO<sub>2</sub> emission while converting excess sustainable energy to important chemical feedstocks. At high current density (>100 mA cm<sup>-2</sup> ), low energy efficiency (EE) and unaffordable cell cost limit the industrial application of conventional CO<sub>2</sub> ... Read more >>

ChemistryOpen (ChemistryOpen)
[2021, 10(6):639-644]

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Reaction of Tertiary 2-Chloroketones with Cyanide Ions: Application to 3-Chloroquinolinediones.

Antonín Klásek, Stanislav Kafka, Ondřej Rudolf, Antonín Lyčka, Michal Rouchal, Lukáš Bednář,

3-Chloroquinoline-2,4-diones react with cyanide ions in dimethyl formamide to give 3-cyanoquinoline-2,4-diones in small yields due to the strong hindrance of the substituent at the C-3 atom. Good yields can be achieved if the substituent at this position is the methyl group. In the methanol solution, the reaction proceeds by an ... Read more >>

ChemistryOpen (ChemistryOpen)
[2021, 10(6):645-652]

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Hydroxymethylfurfural as an Intermediate of Cellulose Carbonization.

Takashi Nomura, Eiji Minami, Haruo Kawamoto,

Invited for this month's cover is the group of Haruo Kawamoto at Kyoto University (Japan). The cover picture shows the carbonization pathway of cellulose via 5-hydroxymethylfurfural as an important intermediate. Thermochemical conversion is one of the promising technologies to convert cellulose, which is the main component of lignocellulosic biomass, into ... Read more >>

ChemistryOpen (ChemistryOpen)
[2021, 10(6):609]

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Synthesis of Tetra-Substituted Trifluoromethyl-3,1-Benzoxazines by Transition-Metal-Catalyzed Decarboxylative Cyclization of N-Benzoyl Benzoxazinones.

Hiroto Uno, Daichi Fujimoto, Kyosuke Harada, Chika Tanaka, Norio Shibata,

Invited for this month's cover are the group of Norio Shibata at Nagoya Institute of Technology (Japan). The cover picture is inspired by the diversity in the ocean also in cyberspace. In the present research, we can synthesize diverse heterocyclic molecules having a trifluoromethyl group in a single step by ... Read more >>

ChemistryOpen (ChemistryOpen)
[2021, 10(5):517]

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Switching the Inhibitor-Enzyme Recognition Profile via Chimeric Carbonic Anhydrase XII.

Joana Smirnovienė, Alexey Smirnov, Audrius Zakšauskas, Asta Zubrienė, Vytautas Petrauskas, Aurelija Mickevičiūtė, Vilma Michailovienė, Edita Čapkauskaitė, Elena Manakova, Saulius Gražulis, Lina Baranauskienė, Wen-Yih Chen, John E Ladbury, Daumantas Matulis,

A key part of the optimization of small molecules in pharmaceutical inhibitor development is to vary the molecular design to enhance complementarity of chemical features of the compound with the positioning of amino acids in the active site of a target enzyme. Typically this involves iterations of synthesis, to modify ... Read more >>

ChemistryOpen (ChemistryOpen)
[2021, 10(5):567-580]

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The Diels-Alder Approach towards Cannabinoid Derivatives and Formal Synthesis of Tetrahydrocannabinol (THC).

Thomas Hurrle, Franziska Gläser, Manuel C Bröhmer, Martin Nieger, Stefan Bräse,

Based on the Diels-Alder reaction of vinylchromenes with electron-poor dienophiles, we developed a strategy for the synthesis of tetrahydrocannabinol derivatives. Substituted vinyl chromenes could be converted with several dienophiles to successfully isolate several complex molecules. These molecules already contain the cannabinoid-like base structure and further processing of one such derivative ... Read more >>

ChemistryOpen (ChemistryOpen)
[2021, 10(5):587-592]

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Light-Driven Enzymatic Decarboxylation of Dicarboxylic Acids.

Yong-Yi Zeng, Lan Liu, Bi-Shuang Chen, Wuyuan Zhang,

Photodecarboxylase from Chlorella variabillis (CvFAP) is one of the three known light-activated enzymes that catalyzes the decarboxylation of fatty acids into the corresponding C1-shortened alkanes. Although the substrate scope of CvFAP has been altered by protein engineering and decoy molecules, it is still limited to mono-fatty acids. Our studies demonstrate ... Read more >>

ChemistryOpen (ChemistryOpen)
[2021, 10(5):553-559]

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Linear Multiselenium Interactions in Dicationic Oligomers of 1,5-(Diselena)canes: Behavior of Semc σ(mc c-ne e) (6≤mc ≤16) Elucidated with QTAIM Dual Functional Analysis.

Satoko Hayashi, Taro Nishide, Kengo Nagata, Waro Nakanishi,

The intrinsic dynamic and static nature m<sub>c</sub> center-n<sub>e</sub> electron interactions of the σ-type σ(m<sub>c</sub> c-n<sub>e</sub> e) were elucidated for the Se-Se interactions in dicationic oligomers of Se(CH<sub>2</sub> CH<sub>2</sub> CH<sub>2</sub> )<sub>2</sub> Se (1 (Se, Se)) [n<sup>2+</sup> (Se, Se): n=1-8], especially for m<sub>c</sub> ≥6, where n<sup>2+</sup> (Se, Se: n=1-8) are abbreviated by ... Read more >>

ChemistryOpen (ChemistryOpen)
[2021, 10(7):656-665]

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Hydroxymethylfurfural as an Intermediate of Cellulose Carbonization.

Takashi Nomura, Eiji Minami, Haruo Kawamoto,

Hydrogen bond donor solvents such as aromatic solvents inhibit the secondary degradation of cellulose-derived primary pyrolysis products. In a previous study, we found that the formation of solid carbonized products was completely inhibited during cellulose pyrolysis in aromatic solvents, with 5-hydroxymethylfurfural (5-HMF) recovered in certain yields instead. This indicated that ... Read more >>

ChemistryOpen (ChemistryOpen)
[2021, 10(6):610-617]

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Selective Catalytic Isomerization of β-Pinene Oxide to Perillyl Alcohol Enhanced by Protic Tetraimidazolium Nitrate.

Hui Li, Jian Liu, Juan Zhao, Huiting He, Dabo Jiang, Steven Robert Kirk, Qiong Xu, Xianxiang Liu, Dulin Yin,

A series of tetraimidazolium salts with different anions was prepared and applied in the isomerization of β-pinene oxide. After examining the activity of different catalysts, a remarkable enhancement of the selectivity of perillyl alcohol (47 %) was obtained over [PEimi][HNO<sub>3</sub> ]<sub>4</sub> under mild reaction conditions and using DMSO as the solvent. ... Read more >>

ChemistryOpen (ChemistryOpen)
[2021, 10(4):477-485]

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One-Pot Synthesis of Asymmetrically Difunctionalized Oligomaltosides by Cyclodextrin Ring Opening.

Matthieu Pélingre, Meriem Smadhi, Abed Bil, Véronique Bonnet, José Kovensky,

The synthesis of pure difunctionalized hexa-, hepta- and octamaltosides was performed by one-pot chemical reaction from perbenzoylated cyclodextrin. Oligomaltosides with azide, propargyl or allyl on reducing end and an unprotected hydroxyl group on non-reducing end were obtained from perbenzoylated α-, β- and γ-cyclodextrin with 12 to 48 % yields. ... Read more >>

ChemistryOpen (ChemistryOpen)
[2021, 10(4):493-496]

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A Photolabile Carboxyl Protecting Group for Solid Phase Peptide Synthesis.

Hongpeng Yang, Tao Peng, Xiaoxue Wen, Tingting Chen, Yunbo Sun, Shuchen Liu, Gang Wang, Shouguo Zhang, Lin Wang,

A new kind of photolabile protecting group (PLPG) for carboxyl moieties was designed and synthesized as the linker between resin and peptide. This group can be used for the protection of amino acid carboxyl groups. The peptide was synthesized on Nph (2-hydroxy-3-(2-nitrophenyl)-heptanoic acid)-derivatized resins and could be cleaved under UV ... Read more >>

ChemistryOpen (ChemistryOpen)
[2021, 10(4):497-502]

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Cover Feature: Atomic Layer Deposition (ALD) of Alumina over Activated Carbon Electrodes Enabling a Stable 4 V Supercapacitor Operation (4/2021)

Dayakar Gandla, Guanghui Song, Chongrui Wu, Yair Ein‐Eli, Daniel Q. Tan,

The Cover Feature shows the TEM image of activated carbon surface coated with aluminum oxide using the atomic layer deposition technique. The ultra‐thin oxide coating of 5 nm or less is sufficient to stabilize the cycling performance of activated carbon based electric double layer supercapacitor under 4 V through enhanced ... Read more >>

ChemistryOpen (ChemistryOpen)
[2021, 10(4):388-388]

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Cellular Uptake of the ATSM-Cu(II) Complex under Hypoxic Conditions.

Gulshan R Walke, Shelly Meron, Yulia Shenberger, Lada Gevorkyan-Airapetov, Sharon Ruthstein,

The Cu(II)-diacetyl-bis (N4-methylthiosemicarbazone) complex (ATSM-Cu(II)) has been suggested as a promising positron emission tomography (PET) agent for hypoxia imaging. Several in-vivo studies have shown its potential to detect hypoxic tumors. However, its uptake mechanism and its specificity to various cancer cell lines have been less studied. Herein, we tested ATSM-Cu(II) ... Read more >>

ChemistryOpen (ChemistryOpen)
[2021, 10(4):486-492]

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