sigma-adduct

См. также в других словарях:

• Chemical equilibrium — In a chemical reaction, chemical equilibrium is the state in which the concentrations of the reactants and products have not yet changed with time. It occurs only in reversible reactions, and not in irreversible reactions. Usually, this state… …   Wikipedia

• Aldol reaction — The aldol reaction is a powerful means of forming carbon–carbon bonds in organic chemistry.[1][2][3] Discovered independently by …   Wikipedia

• Aflatoxin — Aflatoxins are naturally occurring mycotoxins that are produced by many species of Aspergillus , a fungus, most notably Aspergillus flavus and Aspergillus parasiticus . Aflatoxins are toxic and among the most carcinogenic substances known.… …   Wikipedia

• Persistent carbene — A stable carbene: isolated 1,3 dimesitylimidazol 2 ylidene in a Schlenk flask (stir bar also present). A persistent carbene (also known as stable carbene or Arduengo carbene) is a type of carbene demonstrating particular stability. The best known …   Wikipedia

• Beta-silicon effect — The beta silicon effect also called silicon hyperconjugation in organosilicon chemistry is a special type of hyperconjugation and describes the stabilizing effect of a silicon atom placed in a position once removed (β) from a carbocation. A… …   Wikipedia

• Nicotinamide adenine dinucleotide — Nicotinamide adenine dinucleotide …   Wikipedia

• Carbamide peroxide — Identifiers CAS number …   Wikipedia

• Vanadium(III) chloride — Vanadium(III) chloride …   Wikipedia

• In-gel digestion — The in gel digestion is part of the sample preparation for the mass spectrometric identification of proteins in course of proteomic analysis. The method was introduced 1992 by Rosenfeld.Rosenfeld, J et al, Anal Biochem , 1992, 203 (1), 173 9.]… …   Wikipedia

• Dipolar bond — A dipolar bond,[1] also known as dative covalent bond[2] or coordinate bond[3] is a kind of 2 centre, 2 electron covalent bond in which the two electrons derive from the same atom. Typically, a dipolar bond is formed when a Lewis base donates a… …   Wikipedia

• Cyanogen bromide — Cyanogen bromide …   Wikipedia