asymmetric atom

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• asymmetric atom — asimetrinis atomas statusas T sritis fizika atitikmenys: angl. asymmetric atom; asymmetrical atom vok. asymmetrisches Atom, n rus. асимметрический атом, m pranc. atome asymétrique, m …   Fizikos terminų žodynas

• asymmetric atom — chiralinis atomas statusas T sritis chemija apibrėžtis Tri , ketur arba šešiavalentis atomas, kurio visi pakaitai yra skirtingi. atitikmenys: angl. asymmetric atom; chiral atom rus. асимметрический атом; хиральный атом ryšiai: sinonimas –… …   Chemijos terminų aiškinamasis žodynas

• asymmetric carbon atom — a carbon atom with four different substituents. Such a molecule does not have a mirror plane passing through the asymmetric atom, and thus may be optically active …   Medical dictionary

• 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

• Asymmetric carbon — An asymmetric carbon atom is a carbon atom that is attached to four different types of atom or four different groups of atoms.[1][2] Knowing the number of asymmetric carbon atoms, one can calculate the maximum possible number of stereoisomers for …   Wikipedia

• asymmetric carbon atom — noun : a carbon atom in union with four atoms or groups no two of which are alike, compounds containing such a carbon atom being capable of existing in two optically active forms which are distinguished by being respectively levorotatory and… …   Useful english dictionary

• asymmetric synthesis — Chemical reaction by which unequal amounts of two product isomers are formed. It is normally not possible to synthesize from materials that do not have optical activity (i.e., are not chiral) one stereoisomer of a chiral compound without the… …   Universalium

• asymmetric — asymmetrically, adv. /ay seuh me trik, as euh /, adj. 1. not identical on both sides of a central line; unsymmetrical; lacking symmetry: Most faces are asymmetric. 2. (of a logical or mathematical relation) holding true of members of a class in… …   Universalium

• asymmetric synthesis — noun chemistry : a process that directly produces an optically active compound (as one containing an asymmetric carbon atom) from symmetrically constituted molecules without requiring resolution of a racemic mixture …   Useful english dictionary

• asymmetric — a•sym•met•ric [[t]ˌeɪ səˈmɛ trɪk, ˌæs ə [/t]] also a sym•met′ri•cal adj. 1) not identical on both sides of a central line; lacking symmetry 2) chem. a) having an unsymmetrical arrangement of atoms in a molecule b) noting a carbon atom bonded to… …   From formal English to slang

• asymmetric centre — noun An atom having a spatial arrangement of ligands which is not superposable on its mirror image Syn: centre of asymmetry, chirality centre …   Wiktionary