Springer proceedings in physics, Год журнала: 2024, Номер unknown, С. 87 - 108
Опубликована: Дек. 28, 2024
Язык: Английский
Engineering Science & Technology Journal, Год журнала: 2024, Номер 5(6), С. 2065 - 2081
Опубликована: Июнь 25, 2024
The integration of renewable energy sources with fuel synthesis represents a transformative approach to addressing the twin challenges sustainability and climate change. This review presents conceptual framework for coupling technologies, such as solar, wind, biomass, processes produce sustainable, zero-carbon fuels. emphasizes use electricity water splitting carbon dioxide reduction, key steps in synthesizing hydrogen other synthetic highlights importance advanced catalysts enhancing efficiency selectivity these chemical reactions. Innovations nanostructured catalysts, hybrid materials, biomimetic approaches are discussed their potential significantly improve performance durability catalytic processes. Additionally, underscores role characterization techniques computational modeling understanding optimizing catalyst behavior. necessitates technical associated scaling up production from laboratory industrial levels. These include ensuring stability longevity under operational conditions, managing intermittency sources, developing robust systems capturing utilizing dioxide. Furthermore, economic viability integrated is critical, requiring cost-effective solutions that leverage earth-abundant materials optimize overall efficiency. environmental benefits integrating substantial, offering pathway reduce emissions reliance on fossil fuels using can lead closed cycle, thereby mitigating impact change contributing sustainable future. Future directions this field involve interdisciplinary research further enhance performance, develop new refine process strategies. A roadmap future development includes prioritizing areas improved design, efficient CO2 capture electrochemical photochemical systems. abstract concludes by underscoring energy-fuel integration, envisioning where practices become cornerstone global Keywords: Integrating, Renewable Energy, Fuel Synthesis, Directions, Framework.
Язык: Английский
Процитировано
9
Catalysts, Год журнала: 2025, Номер 15(2), С. 179 - 179
Опубликована: Фев. 14, 2025
A synthesis of organophosphorus compounds containing an aziridine ring, previously described by our group, has been performed and the catalytic activity aforementioned chiral heterorganic investigated in asymmetric nitroaldol (Henry) reaction between aromatic/aliphatic aldehydes nitromethane presence amounts copper (II) acetate. In several cases, β-nitroalcohols have obtained with high chemical yields exhibited very enantiomeric excess values (over 95%). Notably, use two enantiomerically pure catalysts, differing absolute configuration unit, resulted formation products Henry reaction.
Язык: Английский
Процитировано
0
Aging, Год журнала: 2025, Номер unknown
Опубликована: Фев. 21, 2025
Aging | doi:10.18632/aging.206207. Yun Haeng Lee, Eun Young Jeong, Ye Hyang Kim, Ji Ho Park, Jee Hee Yoon, Yoo Jin So Hun Yeon Kyung Nam, Yoon Cha, Seong Youngjoo Byun, Song Seok Shin, Joon Tae Park
Процитировано
0
Macromolecular Rapid Communications, Год журнала: 2024, Номер unknown
Опубликована: Сен. 11, 2024
Abstract Amino acids have a crucial role in the field of asymmetric organocatalysis for production chiral compounds with high added value and specific biological activity. In particular, proline offers activity stereoselectivity catalyzing aldol reactions organic solvents. However, proline‐based catalysts often lack water‐solubility, accessibility, catalytic performance, or recovery aqueous media. This work reports design proline‐functionalized poly(methyl methacrylate) (PMMA) nanoparticles magnetic core that offer availability units water recyclability. A copolymerizable surfactant is designed integrated onto surface PMMA through miniemulsion polymerization process without using additional surfactants. The technique allows incorporation magnetite to system create magnetically separable catalyst. nanocatalyst presents diastereoselective intermolecular reaction between p‐ nitrobenzaldehyde cyclohexanone water.
Язык: Английский
Процитировано
1
Molecules, Год журнала: 2024, Номер 29(19), С. 4763 - 4763
Опубликована: Окт. 8, 2024
A chiral sodium glycerophosphate is successfully exploited as a catalyst in the Michael addition of methyl malonate to number chalcones. The reactions supplied target adducts satisfactory yields and good enantiomeric excesses. tentative computational study presented, aiming understand reaction mechanism.
Язык: Английский
Процитировано
0
Magnetic Resonance in Chemistry, Год журнала: 2024, Номер unknown
Опубликована: Окт. 16, 2024
ABSTRACT Brønsted acids, such as phosphoric acids derived from chiral 1,1′‐bi‐2‐naphthol (BINOL), are important catalysts in the formation of carbon–carbon and carbon–heteroatom bonds, for example. The catalytic activity these is strongly linked to their acidity, such, evaluation compounds determine pK a values provides insight into activity. Herein, 19 F{ 1 H} NMR methodology detailed fluorinated binaphthyl‐derived phosphinic acid, rac‐ , acetonitrile presence sulfonamide reference compound ( 2 – 4 ). approach was tested initially using 3 with Δ (0.08) strong agreement previously reported (6.6 6.68/6.73 Sigmoidal curves normalised chemical shift change (Δδ) against equivalents base phosphazene P ‐ t Bu added overlapped but case rac either or there significant separation. A variety different approaches determining were compared. Values determined when Δδ 90% optimal whereas 75% resulting being be 8.47–8.71.
Язык: Английский
Процитировано
0
Springer proceedings in physics, Год журнала: 2024, Номер unknown, С. 87 - 108
Опубликована: Дек. 28, 2024
Язык: Английский
Процитировано
0