نتایج جستجو برای: homogeneous methanol carbonylation
تعداد نتایج: 102010 فیلتر نتایج به سال:
seed storage proteins are synthesized as sources of carbon, nitrogen and sulfur for the next generation of plants. reactive oxygen species serve as second messengers for signal transduction; however, molecular targets of oxidant signaling have not been defined. here, many researchers showes that ligand–receptor mediated signaling promotes reactive oxygen species– dependent protein carbonylation...
In recent years, Pd-containing catalytic systems for tandem processes have gained special attention due to their enhanced properties and possibility of performing several reactions without the necessity separating intermediates. this review, progress in Pd-catalyzed is considered. Three types are described: homogeneous catalysts (including immobilized Pd complexes); heterogeneous supported on o...
This study was conducted to evaluate the cytoprotection of various extracts and bioactive compounds found in Pistacia vera againts cytotoxicity, ROS formation, lipid peroxidation, protein carbonylation, mitochondrial and lysosomal membrane damages in cell toxicity models of diabetes related carbonyl (glyoxal) and oxidative stress (hydroperoxide). Methanol, water and ethyl acetate were used to p...
The predicted role of gas chemistry in meeting the global needs for fuels and petrochemicals makes it necessary to increase efficiency chemical processes reduce their energy consumption. An important solving these problems can be played by non-catalytic autothermal oxidation that provide high with minimal demands on composition processed gases preliminary preparation. paper presents latest resu...
In the biotechnology industry, oxidative carbonylation as a post-translational modification of protein pharmaceuticals has not been studied in detail. Using Quality by Design (QbD) principles, understanding the impact of oxidative carbonylation on product quality of protein pharmaceuticals, particularly from a site-specific perspective, is critical. However, comprehensive identification of carb...
Cyclization-carbonylation of α,β-alkynic hydrazones and (o-alkynylphenyl) (methoxymethyl) sulfides with Pd(tfa)2 in DMSO/MeOH afforded methyl pyrazole-4-carboxylates and benzo[b]thiophene-3-carboxylates, respectively, in good yields. A simple change of the ligand (solvent) allowed controlled, effective switching between cyclization-carbonylation-cyclization-coupling (CCC-coupling) reactions and...
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