halogenation


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hal·o·gen·a·tion

(hal'ō-jĕ-nā'shŭn),
Incorporation of one or more halogen atoms into a molecule.

halogenation

the process of adding a molecule of a halogen to each double bond of an unsaturated fatty acid. Forms a basis for the measurement of a food's content of unsaturated fatty acids.
References in periodicals archive ?
The expansion of the Butyl II unit will take place in two phases and will include the construction of halogenation facilities, enabling the plant to produce both regular and halogenated butyls interchangeably.
We also found evidence that activation of ERa, ER(3, and PPAR[gamma] depends on the degree of halogenation in BPA analogs.
The breakthrough came with the development of the halogenation process (ref.
His work in the area of electrophilic halogenation of olefins has centered mainly on the isolation and structural characterization of stable bromonium ions, and the determination of the factors that influence their partitioning in solution.
The analogs are produced by semisynthensis involving selective halogenation of paclitaxel's close analog cephalomannine, to produce dihaloisomers of cephalomannine including (2"R, 3"S), and (2"S, 3"R) dichlorocephalomannine, (2"R, 3"S) and (2"S, 3"R) dichloro 7-epi-cephalomannine, (2"R, 3"S) and (2"S and 3"R) dibromocephalomannine and (2"R, 3"S) and (2"S, 3"R) dibromo-7-epi-cephalomannine.
2008) from lipid peroxidation, 3-chloro-tyrosine from protein halogenation (Harwood et al.
The butyl polymer backbone appears to be relatively unaffected by the halogenation process.
Among the classroom applications suggested are: tests for unsaturated hydrocarbons, preparation and study of acetylene, isomers, preparation of esters, oxidation and reduction reactions, halogenation, enthalpy of combustion, and the distillation of 'petroleum'.
The Peboc Division produces a range of allylic halogenation reagents, cholesterol esters, peptide reagents and amino acid building blocks and custom fine chemicals for a variety of end uses -- including pharmaceuticals, photographic chemicals and agricultural products, using cGMP.
3,4,3',4'-PCB) is much different from that of the commercial preparations (which was by simple halogenation of biphenyl).