نتایج جستجو برای: electrophilic coupling agent

تعداد نتایج: 405108  

2012
Vittorio Lucchini Marco Noè Maurizio Selva Massimo Fabris Alvise Perosa

The anionic and the cationic partners of ionic liquids may act cooperatively and independently as nucleophilic and electrophilic catalysts. This ambiphilic propensity was demonstrated by kinetically discriminating the contributions of the anion (nucleophilic catalyst) and of the cation (electrophilic catalyst) to the solvent-free Baylis– Hillman dimerization of cyclohexenone catalysed by ionic ...

Journal: :Toxicological sciences : an official journal of the Society of Toxicology 2006
Richard M LoPachin David S Barber

Many structurally diverse chemicals (e.g., acrylamide, 2,4-dithiobiuret, methylmercury) are electrophiles and cause synaptic dysfunction by unknown mechanisms. The purpose of this Forum review is to discuss the possibility that highly nucleophilic cysteine thiolate groups within catalytic triads of synaptic proteins represent specific and necessary targets for electrophilic neurotoxicants. Most...

Journal: :IOP Conference Series: Materials Science and Engineering 2017

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