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
chiral center — n an atom esp. in an organic molecule that has four different atoms or groups attached to it * * * the center of dyssymmetry in a molecule, usually an atom with four different substituents (e.g., a carbon with four single bonds or the nitrogen of … Medical dictionary
Chiral ligand — In chemistry a chiral ligand is a specially adapted ligand used for asymmetric synthesis. This ligand is an enantiopure organic compound which combines with a metal center by chelation to form an asymmetric catalyst. This catalyst engages in a… … Wikipedia
chiral center — noun Date: 1970 an atom especially in an organic molecule that has four unique atoms or groups attached to it … New Collegiate Dictionary
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
chiral carbon atom — asymmetric carbon a … Medical dictionary
Chirality (chemistry) — L form redirects here. For the bacterial strains, see L form bacteria. Two enantiomers of a generic amino acid … Wikipedia
epimer — One of two molecules (having more than one chiral center) differing only in the spatial arrangement about a single chiral atom; e.g., α d glucose and α d galactose (with respect to carbon 4). See sugars. Cf.:anomer. [epi + G. meros, part] * * *… … Medical dictionary
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 – asimetrinis atomas… … Chemijos terminų aiškinamasis žodynas
асимметрический атом — 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