nucleophilic group

нуклеофильная группа
донор электронов в химической реакции

English-Russian Biotechnology Glossary. . 2007.

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  • Nucleophilic acyl substitution — describes the substitution reaction involving nucleophiles and acyl compounds. Acyl compounds are carboxylic acid derivatives including esters, amides and acid halides. Nucleophiles include anionic reagents such as alkoxide compounds and enolates …   Wikipedia

  • Group II intron — is a class of intron found in rRNA, tRNA, mRNA of organelles in fungi, plants, protists, and mRNA in bacteria. Self splicing occurs in vitro (for a few of the introns studied to date), but protein machinery is probably required in vivo. In… …   Wikipedia

  • Nucleophilic substitution — In organic and inorganic chemistry, nucleophilic substitution is a fundamental class of reactions in which an electron nucleophile selectively bonds with or attacks the positive or partially positive charge of an atom or a group of atoms called… …   Wikipedia

  • Nucleophilic aromatic substitution — A nucleophilic aromatic substitution is a substitution reaction in organic chemistry in which the nucleophile displaces a good leaving group, such as a halide, on an aromatic ring. There are 6 nucleophilic substitution mechanisms encountered with …   Wikipedia

  • Nucleophilic addition — In organic chemistry, a nucleophilic addition reaction is an addition reaction where in a chemical compound a π bond is removed by the creation of two new covalent bonds by the addition of a nucleophile.[1] Addition reactions are limited to… …   Wikipedia

  • nucleophilic substitution — noun in aliphatic organic chemistry, a form of substitution reaction in which the leaving functional group is replaced with a nucleophile …   Wiktionary

  • Radical-nucleophilic aromatic substitution — or SRN1 in organic chemistry is a type of substitution reaction in which a certain substituent on an aromatic compound is replaced by a nucleophile through an intermediary free radical species:The substituent X is a halide and nucleophiles can be …   Wikipedia

  • Leaving group — A leaving group is an atom or group of atoms that detaches from a chemical substance. The remaining molecule or fragment remaining is known as the residual or main part. The term leaving group is dependent on the context of the statement.… …   Wikipedia

  • Vicarious nucleophilic substitution — in organic chemistry is a special type of nucleophilic aromatic substitution in which a nucleophile replaces hydrogen and not an aromatic substituent like a halogen that is ordinarily encountered in this reaction type. This reaction type was… …   Wikipedia

  • Acryl group — In organic chemistry, the acryl group is the functional group with structure H2C=CH C(=O) ; it is the acyl group derived from acrylic acid. Compounds containing an acryl group can be referred to as acrylic compounds .An acrylic compound is… …   Wikipedia

  • Functional group — For other uses, see Functional group (disambiguation) and Moiety (disambiguation). Benzyl acetate has an ester functional group (in red), an acetyl moiety (circled with green) and a benzyloxy moiety (circled with orange). Other divisions can be… …   Wikipedia

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