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Relevant bibliographies by topics / Cycloaddition du CO2

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Journal articles

Academic literature on the topic 'Cycloaddition du CO2'

Author: Grafiati

Published: 23 November 2024

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Journal articles on the topic "Cycloaddition du CO2"

1

Krompiec, Stanisław, Aneta Kurpanik-Wójcik, Marek Matussek, Bogumiła Gołek, Angelika Mieszczanin, and Aleksandra Fijołek. "Diels–Alder Cycloaddition with CO, CO2, SO2, or N2 Extrusion: A Powerful Tool for Material Chemistry." Materials 15, no. 1 (2021): 172. http://dx.doi.org/10.3390/ma15010172.

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Phenyl, naphthyl, polyarylphenyl, coronene, and other aromatic and polyaromatic moieties primarily influence the final materials’ properties. One of the synthetic tools used to implement (hetero)aromatic moieties into final structures is Diels–Alder cycloaddition (DAC), typically combined with Scholl dehydrocondensation. Substituted 2-pyranones, 1,1-dioxothiophenes, and, especially, 1,3-cyclopentadienones are valuable substrates for [4 + 2] cycloaddition, leading to multisubstituted derivatives of benzene, naphthalene, and other aromatics. Cycloadditions of dienes can be carried out with extru

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2

Lin, Yi-Feng, Yu-Rou Lai, Hsiang-Ling Sung, Tsair-Wang Chung, and Kun-Yi Andrew Lin. "Design of Amine-Modified Zr–Mg Mixed Oxide Aerogel Nanoarchitectonics with Dual Lewis Acidic and Basic Sites for CO2/Propylene Oxide Cycloaddition Reactions." Nanomaterials 12, no. 19 (2022): 3442. http://dx.doi.org/10.3390/nano12193442.

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The utilization of CO2 attracts much research attention because of global warming. The CO2/epoxide cycloaddition reaction is one technique of CO2 utilization. However, homogeneous catalysts with both Lewis acidic and basic and toxic solvents, such as DMF, are needed in the CO2/epoxide cycloaddition reaction. As a result, this study focuses on the development of heterogeneous catalysts with both Lewis acidic and basic sites for the CO2 utilization of the CO2/epoxide cycloaddition reactions without the addition of a DMF toxic solvent. For the first time, the Zr–Mg mixed oxide aerogels with Lewis

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3

Gao, Jie, Chengguang Yue, Hao Wang, et al. "CeO2-ZrO2 Solid Solution Catalyzed and Moderate Acidic–Basic Sites Dominated Cycloaddition of CO2 with Epoxides: Halogen-Free Synthesis of Cyclic Carbonates." Catalysts 12, no. 6 (2022): 632. http://dx.doi.org/10.3390/catal12060632.

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For the production of cyclic carbonates from the cycloaddition of CO2 with epoxides, halogen pollution and product purity are two of the most common problems due to the usage of homogeneous halogen-containing catalysts such as ammonium salt and alkali metal halide. Hence, the development of a novel, halogen-free and efficient catalyst for the synthesis of high-purity cyclic carbonates is significant. Here, a series of acid–base bifunctional Ce1-xZrxO2 nanorods were successfully prepared. The Ce1-xZrxO2 nanorods could catalyze the cycloaddition of CO2 with epoxides efficiently without any halog

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4

Noh, Jinmi, Dasom Kim, Jihyun Lee, et al. "Three Component Controls in Pillared Metal-Organic Frameworks for Catalytic Carbon Dioxide Fixation." Catalysts 8, no. 11 (2018): 565. http://dx.doi.org/10.3390/catal8110565.

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Three components of pillared metal-organic frameworks (MOFs, three components = metal ion, carboxylic acid ligand, and N-chelating ligand) were controlled for CO2 cycloaddition catalysts to synthesize organic cyclic carbonates. Among the divalent metals, Zn2+ showed the best catalytic activity, and in DABCO (1,4-diazabicyclo[2.2.2]octane)-based MOFs, hydroxy-functionalized DMOF-OH was the most efficient MOF for CO2 cycloaddition. For the BPY (4,4’-bipyridyl)-type MOFs, all five prepared BMOFs (BPY MOFs) showed similar and good conversions for CO2 cycloaddition. Finally, this pillared MOF could

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5

Shang, Shu, Wei Shao, Xiao Luo, et al. "Facet Engineering in Constructing Lewis Acid-Base Pairs for CO₂ Cycloaddition to High Value-Added Carbonates." Research 2022 (October 15, 2022): 1–9. http://dx.doi.org/10.34133/2022/9878054.

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Cycloaddition of epoxides with CO2 to synthesis cyclic carbonates is an atom-economic pathway for CO2 utilization with promising industry application value, while its efficiency was greatly inhibited for the lack of highly active catalytic sites. Herein, by taking BiOX (X=Cl, Br) with layered structure for example, we proposed a facet engineering strategy to construct Lewis acid-base pairs for CO2 cycloaddition, where the typical BiOBr with (010) facets expose surface Lewis acid Bi sites and Lewis base Br sites simultaneously. By the combination of in-situ diffuse reflectance infrared Fourier

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6

Kiatkittipong, Kunlanan, Muhammad Amirul Amin Mohamad Shukri, Worapon Kiatkittipong, et al. "Green Pathway in Utilizing CO2 via Cycloaddition Reaction with Epoxide—A Mini Review." Processes 8, no. 5 (2020): 548. http://dx.doi.org/10.3390/pr8050548.

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Carbon dioxide (CO2) has been anticipated as an ideal carbon building block for organic synthesis due to the noble properties of CO2, which are abundant renewable carbon feedstock, non-toxic nature, and contributing to a more sustainable use of resources. Several green and proficient routes have been established for chemical CO2 fixation. Among the prominent routes, this review epitomizes the reactions involving cycloaddition of epoxides with CO2 in producing cyclic carbonate. Cyclic carbonate has been widely used as a polar aprotic solvent, as an electrolyte in Li-ion batteries, and as precur

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7

Lei, Yizhu, Yali Wan, Wei Zhong, Dingfu Liu, and Zhou Yang. "Phosphonium-Based Porous Ionic Polymer with Hydroxyl Groups: A Bifunctional and Robust Catalyst for Cycloaddition of CO2 into Cyclic Carbonates." Polymers 12, no. 3 (2020): 596. http://dx.doi.org/10.3390/polym12030596.

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The integration of synergic hydrogen bond donors and nucleophilic anions that facilitates the ring-opening of epoxide is an effective way to develop an active catalyst for the cycloaddition of CO2 with epoxides. In this work, a new heterogeneous catalyst for the cycloaddition of epoxides and CO2 into cyclic carbonates based on dual hydroxyls-functionalized polymeric phosphonium bromide (PQPBr-2OH) was presented. Physicochemical characterizations suggested that PQPBr-2OH possessed large surface area, hierarchical pore structure, functional hydroxyl groups, and high density of active sites. Cons

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8

Shi, Jinghua, Jinliang Song, Jun Ma, Zhaofu Zhang, Honglei Fan, and Buxing Han. "Effective synthesis of cyclic carbonates from CO2 and epoxides catalyzed by KI/cucurbit[6]uril." Pure and Applied Chemistry 85, no. 8 (2013): 1633–41. http://dx.doi.org/10.1351/pac-con-12-10-09.

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The development of efficient, inexpensive, and nontoxic catalysts for cycloaddition of CO2 with epoxides to produce five-membered cyclic carbonates is a very interesting topic. In this work, cycloaddition of CO2 with propylene oxide (PO) to produce propylene carbonate (PC) catalyzed by potassium halides (KCl, KBr, and KI) in the presence of cucurbit[6]uril (CB[6]) was studied at various conditions. It was discovered that the potassium halides and CB[6] had excellent synergetic effect in promoting the reaction, and the KI/CB[6] catalytic system was the most efficient among them. The decrease of

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9

Tangyen, Niracha, Wuttichai Natongchai, and Valerio D’Elia. "Catalytic Strategies for the Cycloaddition of CO2 to Epoxides in Aqueous Media to Enhance the Activity and Recyclability of Molecular Organocatalysts." Molecules 29, no. 10 (2024): 2307. http://dx.doi.org/10.3390/molecules29102307.

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The cycloaddition of CO2 to epoxides to afford versatile and useful cyclic carbonate compounds is a highly investigated method for the nonreductive upcycling of CO2. One of the main focuses of the current research in this area is the discovery of readily available, sustainable, and inexpensive catalysts, and of catalytic methodologies that allow their seamless solvent-free recycling. Water, often regarded as an undesirable pollutant in the cycloaddition process, is progressively emerging as a helpful reaction component. On the one hand, it serves as an inexpensive hydrogen bond donor (HBD) to

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10

Bester, Karol, Agnieszka Bukowska, Aleksandra Kawka, Maciej Pytel, and Wiktor Bukowski. "Salophen chromium(iii) complexes functionalized with pyridinium salts as catalysts for carbon dioxide cycloaddition to epoxides." RSC Advances 14, no. 4 (2024): 2466–80. http://dx.doi.org/10.1039/d3ra07750k.

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Novel multifunctional one-component catalysts for the cycloaddition of CO2 to epoxides. The selective and effective conversion of substrates to cyclic carbonates possible using 0.01 mol% catalyst and a low CO2 pressure.

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