- optically active isomer
- Медицина: оптически активный изомер
Универсальный англо-русский словарь. Академик.ру. 2011.
optically active isomer
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Enantiomer — This article is about the concept in chemistry. For a discussion of enantiomers in mathematics, see Chirality (mathematics). (S) (+) lactic acid (left) and (R) (–) lactic acid (right) are nonsuperposable mirror images of each other In chemistry,… … Wikipedia
Chirality (chemistry) — L form redirects here. For the bacterial strains, see L form bacteria. Two enantiomers of a generic amino acid … Wikipedia
isomerism — /uy som euh riz euhm/, n. 1. Chem. the relation of two or more compounds, radicals, or ions that are composed of the same kinds and numbers of atoms but differ from each other in structural arrangement (structural isomerism), as CH3OCH3 and… … Universalium
Meso compound — A meso compound or meso isomer is a non optically active member of a set of stereoisomers, at least two of which are optically active.[1][2] This means that despite containing two or more stereocenters (chiral centers) it is not chiral. A meso… … Wikipedia
racemate — /ray see mayt, reuh /, n. Chem. 1. a salt or ester of racemic acid. 2. a racemic compound. [1825 35; RACEM(IC ACID) + ATE2] * * * Mixture of equal quantities of two enantiomers, substances whose molecular structures are mirror images of one… … Universalium
Carbanion — A carbanion is an anion in which carbon has an unshared pair of electrons and bears a negative charge usually with three substituents for a total of eight valence electrons [Organic Chemistry Robert Thornton Morrison, Robert Neilson Boyd] . The… … Wikipedia
Coordination complex — Cisplatin, PtCl2(NH3)2 A platinum atom with four ligands In chemistry, a coordination complex or metal complex, is an atom or ion (usually metallic), bonded to a surrounding array of molecules or anions, that are in turn known as ligands or… … Wikipedia
Complex (chemistry) — The term complex in chemistry is usually used to describe molecules or ensembles formed by the combination of ligands and metal ions. Originally, a complex implied a reversible association of molecules, atoms, or ions through weak chemical bonds … Wikipedia
Optical brightener — Optical brighteners, optical brightening agents (OBAs), fluorescent brightening agents (FBAs) or fluorescent whitening agents (FWAs) are dyes that absorb light in the ultraviolet and violet region (usually 340 370 nm) of the electromagnetic… … Wikipedia
walden inversion — ˈwȯldən noun Usage: usually capitalized W Etymology: after Paul Walden died 1957 Latvian organic chemist : an inversion of configuration of one optically active compound into another that may or may not lead to a change in the direction of… … Useful english dictionary
Chiral Lewis acid — Chiral Lewis acids (CLAs) are a novel class of Lewis acid catalyst used in enantioselective asymmetric synthesis reactions which produce optically active products from optically inactive or impure starting materials. This type of preferential… … Wikipedia
