- polar effect of substituent
- Электрохимия: полярный эффект заместителя
Универсальный англо-русский словарь. Академик.ру. 2011.
Универсальный англо-русский словарь. Академик.ру. 2011.
Polar effect — The Polar effect or electronic effect in chemistry is the effect exerted by a substituent on modifying electrostatic forces operating on a nearby reaction center. The main contributors to the polar effect are the inductive effect, mesomeric… … Wikipedia
Substituent — For other meanings see substitution. In organic chemistry and biochemistry, a substituent is an atom or group of atoms substituted in place of a hydrogen atom on the parent chain of a hydrocarbon. The terms substituent, side chain, group, branch … Wikipedia
Inductive effect — In chemistry and physics, the inductive effect is an experimentally observable effect of the transmission of charge through a chain of atoms in a molecule by electrostatic induction.[1] The net polar effect exerted by a substituent is a… … Wikipedia
Asymmetric induction — (also enantioinduction) in stereochemistry describes the preferential formation in a chemical reaction of one enantiomer or diastereoisomer over the other as a result of the influence of a chiral feature present in the substrate, reagent,… … Wikipedia
lipid — /lip id, luy pid/, n. Biochem. any of a group of organic compounds that are greasy to the touch, insoluble in water, and soluble in alcohol and ether: lipids comprise the fats and other esters with analogous properties and constitute, with… … Universalium
reaction mechanism — Introduction in chemical reactions (chemical reaction), the detailed processes by which chemical substances are transformed into other substances. The reactions themselves may involve the interactions of atoms (atom), molecules (molecule),… … Universalium
Acid dissociation constant — Acetic acid, a weak acid, donates a proton (hydrogen ion, high … Wikipedia
Hammett equation — ; 1935; 17(1); 125 136 [http://pubs.acs.org/cgi bin/abstract.cgi/chreay/1935/17/i01/f pdf/f cr60056a010.pdf Abstract] ] .The basic idea is that for any two reactions with two aromatic reactants only differing in the type of substituent the change … Wikipedia
(+)-CPCA — Systematic (IUPAC) name methyl (3R,4S) 4 (4 chlorophenyl) 1 methylpiperidine 3 carboxylate Clinical data Pregnancy cat … Wikipedia
Cyclohexane conformation — A cyclohexane molecule in chair conformation. Hydrogen atoms in axial positions are shown in red, while those in equatorial positions are in blue. A cyclohexane conformation is any of several three dimensional shapes that a cyclohexane molecule… … Wikipedia
Cis–trans isomerism — Cis but 2 ene Trans but 2 ene In organic che … Wikipedia