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Dehydrohalogenation information


Dehydrohalogenation to give an alkene

In chemistry, dehydrohalogenation is an elimination reaction which removes a hydrogen halide from a substrate. The reaction is usually associated with the synthesis of alkenes, but it has wider applications.

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Dehydrohalogenation

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In chemistry, dehydrohalogenation is an elimination reaction which removes a hydrogen halide from a substrate. The reaction is usually associated with...

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Alkyne

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Alkynes are prepared from 1,1- and 1,2-dihaloalkanes by double dehydrohalogenation. The reaction provides a means to generate alkynes from alkenes,...

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Polyacetylene

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polyacetylene. Short, irregular segments of polyacetylene can be obtained by dehydrohalogenation of poly(vinyl chloride). Thermal conversion of precursor polymers...

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Sodium amide

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Sodium amide, commonly called sodamide (systematic name sodium azanide), is the inorganic compound with the formula NaNH2. It is a salt composed of the...

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Dichlorodiphenyldichloroethylene

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is a chemical compound formed by the loss of hydrogen chloride (dehydrohalogenation) from DDT, of which it is one of the more common breakdown products...

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Epoxide

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In organic chemistry, an epoxide is a cyclic ether, where the ether forms a three-atom ring: two atoms of carbon and one atom of oxygen. This triangular...

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Epoxy

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reacts in a coupling reaction with epichlorohydrin, followed by dehydrohalogenation. Epoxy resins produced from such epoxy monomers are called glycidyl-based...

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Carbylamine reaction

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amine to dichlorocarbene, a reactive intermediate generated by the dehydrohalogenation of chloroform. Two successive base-mediated dehydrochlorination steps...

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Triethylamine

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formation of urethane foams and epoxy resins. It is also useful in dehydrohalogenation reactions and Swern oxidations. Triethylamine is readily alkylated...

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Organochlorine chemistry

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well. In the presence of a strong base, alkyl chlorides undergo dehydrohalogenation to give alkenes or alkynes. Alkyl chlorides react with magnesium...

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Halogenation

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while iodine is the least reactive of them all. The facility of dehydrohalogenation follows the reverse trend: iodine is most easily removed from organic...

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Diacetylene

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also been detected on the Moon. This compound may be made by the dehydrohalogenation of 1,4-dichloro-2-butyne by potassium hydroxide (in alcoholic medium)...

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Conformational isomerism

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Base-induced bimolecular dehydrohalogenation (an E2 type reaction mechanism). The optimum geometry for the transition state requires the breaking bonds...

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Alkene

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triflate). When an alkyl halide is used, the reaction is called a dehydrohalogenation. For unsymmetrical products, the more substituted alkenes (those...

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Stereoselectivity

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diastereoisomer predominates). An example of modest stereoselectivity is the dehydrohalogenation of 2-iodobutane which yields 60% trans-2-butene and 20% cis-2-butene...

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Diisopropylamine

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[Specific proton acceptors as auxiliary bases in alkylation and dehydrohalogenation reactions]. Chemische Berichte (in German). 91 (2). Wiley-VCH: 380–392...

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Azulene

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cycloaddition with dichloro ketene diazomethane insertion reaction dehydrohalogenation reaction with DMF Luche reduction to alcohol with sodium borohydride...

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Isobutyryl chloride

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isobutyryl chloride is the subject of many reported transformations. Dehydrohalogenation of isobutyryl chloride with triethylamine gives 2,2,4,4-tetramethylcyclobutanedione...

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Piperidine

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chloramine with the formula C5H10NCl. The resulting chloramine undergoes dehydrohalogenation to afford the cyclic imine. 13C NMR: (CDCl3, ppm) 47, 27.2, 25.2[citation...

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Allyl chloride

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palladium(0) to give allylpalladium chloride dimer, (C3H5)2Pd2Cl2. Dehydrohalogenation gives cyclopropene. Allyl chloride is highly toxic and flammable...

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Cisatracurium besilate

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5-Pentanediol with 3-bromopropionyl chloride gives the corresponding ester; dehydrohalogenation of the ester with triethylamine then gives the bis-acrylate (2)....

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Hindered amine light stabilizers

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is disrupted due them being readily protonated by HCl released by dehydrohalogenation of PVC.[citation needed] Zweifel, Hans; Maier, Ralph D.; Schiller...

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