stereochemical inversion

См. также в других словарях:

• inversion — /in verr zheuhn, sheuhn/, n. 1. an act or instance of inverting. 2. the state of being inverted. 3. anything that is inverted. 4. Rhet. reversal of the usual or natural order of words; anastrophe. 5. Gram. any change from a basic word order or… …   Universalium

• inversion — 1. A turning inward, upside down, or in any direction contrary to the existing one. 2. Conversion of a disaccharide or polysaccharide by hydrolysis into a monosaccharide; specifically, the hydrolysis of sucrose to d glucose and d fructose; so… …   Medical dictionary

• inversion — noun Date: 1586 1. a reversal of position, order, form, or relationship: as a. (1) a change in normal word order; especially the placement of a verb before its subject (2) the process or result of changing or reversing the relative positions of… …   New Collegiate Dictionary

• Epimerase and racemase — Epimerases and racemases are isomerase enzymes that catalyze the inversion of stereochemistry in biological molecules. [cite journal | author = Tanner, ME. | title = Understanding nature s strategies for enzyme catalyzed racemization and… …   Wikipedia

• Darzens reaction — The Darzens reaction (also known as the Darzens condensation or glycidic ester condensation) is the chemical reaction of a ketone or aldehyde with an α haloester to form an α,β epoxy ester, also called a glycidic ester .[1][2] This reaction was… …   Wikipedia

• racemase — noun Any enzyme that catalyzes the stereochemical inversion of the configuration about an asymmetric carbon atom in a substrate having only one center of asymmetry …   Wiktionary

• epimerase — noun Any enzyme that catalyzes the stereochemical inversion of the configuration about an asymmetric carbon atom in a substrate having more than one center of asymmetry …   Wiktionary

• Chirality (chemistry) — L form redirects here. For the bacterial strains, see L form bacteria. Two enantiomers of a generic amino acid …   Wikipedia

• 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

• Oxaziridine — Oxaziridine …   Wikipedia

• Tetrahedral molecular geometry — In a Tetrahedral molecular geometry a central atom is located at the center with four substituents that are located at the corners of a tetrahedron. The bond angles are cos−1(−1/3) ≈ 109.5° when all four substituents are the same, as in CH4. This …   Wikipedia