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5 days ago · The covalent radius of carbon is 0.77 Å, that of silicon 1.17 Å, and that of hydrogen 0.37 Å. 43 This results in different bond lengths of 1.14 Å for C−H bonds and 1.54 Å for Si−H bonds. The Si−H bond thus has a lower bond energy compared to the C−H bond and is longer and more polarised.
2 days ago · Unlocking CO 2 capture potential remains a complex and challenging endeavor. Here, a blueprint is crafted for optimizing materials through CO 2 capture and developing a synergistic hybridization strategy that involves synthesizing CO 2-responsive hydrogels by integrating polymeric networks interpenetrated with polyethyleneimine (PEI) chains and inorganic CaCl 2.
5 days ago · Design, synthesis, biological evolution and in silico studies of a novel 1,2,3,4‐tetrazole fused with 1,3,4‐thiadiazole‐2‐amine derivatives - Rajeswari - Journal of Heterocyclic Chemistry - Wiley Online Library.
5 days ago · gem-Difluoroalkenes and monofluorinated cycloalkenes have emerged as basic structural units in a variety of bioactive molecules and natural products. Thus, developing straightforward and efficient methods for synthesizing fluorinated alkene compounds is of considerable significance. Herein, we disclose a visible-light-induced defluorination of 2-trifluoromethyl-1-alkene via a 1,5-HAT process ...
2 days ago · Bicyclo[1.1.0]butane-containing compounds feature a unique chemical reactivity, trigger “strain-release” reaction cascades, and provide novel scaffolds with considerable utility in the drug discovery field. We report the synthesis of new bicyclo[1.1.0]butane-linked heterocycles by a nucleophilic addition of bicyclo[1.1.0]butyl anions to 8-isocyanatoquinoline, or, alternatively, iminium ...
4 days ago · This study presents the use of jabuticaba peel to create a biosorbent material for recovering cyanidin-3-glucoside (C3G), a valuable compound in anthocyanin-rich extracts. This approach tackles waste management, promotes a circular economy, and offers a sustainable alternative to traditional methods. The biosorbents were synthesized through a chemical activation using three different solvents ...
2 days ago · Key message Compared with NaCl, NaHCO3 caused more serious oxidative damage and photosynthesis inhibition in safflower by down-regulating the expression of related genes. Abstract Salt-alkali stress is one of the important factors that limit plant growth. NaCl and sodium bicarbonate (NaHCO3) are neutral and alkaline salts, respectively. This study investigated the physiological characteristics ...
