Theoretical Study on Highly Active Bifunctional Metalloporphyrin Catalysts for the Coupling Reaction of Epoxides with Carbon Dioxide [PDF]
, 2016 Highly active bifunctional metalloporphyrin catalysts were developed for the coupling reaction of epoxides with CO2 to produce cyclic carbonates. The bifunctional catalysts have both quaternary ammonium halide groups and a metal center.
Ahmadi +41 more
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Radical-Stimulated Nucleophile Release [PDF]
The Journal of Organic Chemistry, 2019 Experimental and computational results have shown that deprotonation was enhanced for precursors containing radical centers (RED-shift). An examination of whether the inverse heterolytic dissociations that release nucleophiles instead of electrophiles could also be stimulated by suitably sited radicals is reported in this paper.
openaire +4 more sources
Dual Role of Subphthalocyanine Dyes for Optical Imaging and Therapy of Cancer [PDF]
, 2018 This is the peer-reviewed version of the following article: van de Winckel, E., Mascaraque, M., Zamarrón, A., Juarranz de la Fuente, Á., Torres, T., & de la Escosura, A. (2018).
Escosura Navazo, Andrés de la +5 more
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A dual catalytic strategy for carbon-phosphorus cross-coupling via gold and photoredox catalysis. [PDF]
, 2014 A new method for the P-arylation of aryldiazonium salts with H-phosphonates via dual gold and photoredox catalysis is described. The reaction proceeds smoothly at room temperature in the absence of base and/or additives, and offers an efficient approach ...
He, Ying, TOSTE, F. Dean, Wu, Hongmiao
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Nucleophile sensitivity of Drosophila TRPA1 underlies light-induced feeding deterrence
eLife, 2016 Solar irradiation including ultraviolet (UV) light causes tissue damage by generating reactive free radicals that can be electrophilic or nucleophilic due to unpaired electrons.
Eun Jo Du +9 more
doaj +1 more source
Preparation, Characterization and Reactivity of (3-Methylpentadienyl)iron(1+) Cations [PDF]
, 2007 The title cations (9 and 12) were prepared by dehydration of (3-methyl-2,4-pentadien-1-ol)Fe(CO)2L+ complexes. The structure of the (CO)2PPh3-ligated 12 was determined by single-crystal X-ray analysis. Reaction of carbon and heteroatom nucleophiles to (3-
Bennett, Dennis W +5 more
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Improved Synthesis of Sulfur-Containing Glycosides by Suppressing Thioacetyl Migration
Frontiers in Chemistry, 2020 Complex mixtures were often observed when we attempted to synthesize 4-thio- and 2,4-dithio-glycoside derivatives by double parallel and double serial inversion, thus leading to no or low yields of target products.
Tao Luo +4 more
doaj +1 more source
The prebiotic evolutionary advantage of transferring genetic information from RNA to DNA. [PDF]
, 2011 In the early 'RNA world' stage of life, RNA stored genetic information and catalyzed chemical reactions. However, the RNA world eventually gave rise to the DNA-RNA-protein world, and this transition included the 'genetic takeover' of information storage ...
Chen, Irene A +4 more
core +4 more sources
Communications ChemistryAsparaginyl ligases have been extensively utilized as valuable tools for site-specific bioconjugation or surface-modification. However, the application is hindered by the laborious and poorly reproducible preparation processes, unstable activity and ...
Jiabao Tang +13 more
doaj +1 more source
Synthesis of Arecatannin A1 from Dimeric Epicatechin Electrophile
Natural Product Communications, 2015 Synthesis of arrecatannin A1 (1) was accomplished from dimeric epicatechin electrophile, which was prepared by Zn(OTf) 2 mediated self-condensation, and monomeric catechin nucleophile.
Manato Suda +7 more
doaj +1 more source