Alkylation is a chemical reaction that entails transfer of an alkyl group. The alkyl group may be transferred as an alkyl carbocation, a free radical,...
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Amine alkylation (amino-dehalogenation) is a type of organic reaction between an alkyl halide and ammonia or an amine. The reaction is called nucleophilic...
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An alkylation unit (alky) is one of the conversion processes used in petroleum refineries. It is used to convert isobutane and low-molecular-weight alkenes...
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Friedel–Crafts reaction (redirect from Friedel-Craft-Alkylation)
to an aromatic ring. Friedel–Crafts reactions are of two main types: alkylation reactions and acylation reactions. Both proceed by electrophilic aromatic...
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The Enders SAMP/RAMP hydrazone alkylation reaction is an asymmetric carbon-carbon bond formation reaction facilitated by pyrrolidine chiral auxiliaries...
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Chiral auxiliary (redirect from Myers' asymmetric alkylation)
selectively furnishes the (Z)-enolate, which can undergo stereoselective alkylation. Alkylation of an oxazolidinone imide with benzyl bromide Activated electrophiles...
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The Stork enamine alkylation involves the addition of an enamine to a Michael acceptor (e.g., an α,β -unsaturated carbonyl compound) or another electrophilic...
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Amine (redirect from N-alkylation)
effects. Industrially significant alkyl amines are prepared from ammonia by alkylation with alcohols: ROH + NH 3 ⟶ RNH 2 + H 2 O {\displaystyle {\ce {ROH + NH3...
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Ether (redirect from O-alkylation)
In organic chemistry, ethers are a class of compounds that contain an ether group—an oxygen atom bonded to two organyl groups (e.g., alkyl or aryl). They...
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Tsuji–Trost reaction (redirect from Trost asymmetric allylic alkylation)
The Tsuji–Trost reaction (also called the Trost allylic alkylation or allylic alkylation) is a palladium-catalysed substitution reaction involving a substrate...
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Birch reduction (redirect from Birch alkylation)
salts are necessary to colocate the reactants via complexation. In Birch alkylation the anion formed in the Birch reduction is trapped by a suitable electrophile...
21 KB (2,144 words) - 08:56, 15 December 2023
the Fráter–Seebach alkylation (also known as Seebach–Fráter alkylation or Fráter–Seebach reaction) is a diastereoselective alkylation of chiral beta-hydroxy...
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Enamine (section Alkylation)
counterparts, they can still react selectively, rendering them useful for alkylation reactions. The enamine nucleophile can attack haloalkanes to form the...
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Sulfonate (redirect from Strecker sulfite alkylation)
Lewis acids. A classic preparation of sulfonates is the Strecker sulfite alkylation, in which an alkali sulfite salt displaces a halide, typically in the...
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well as the phenol. Cumene is formed in the gas-phase Friedel–Crafts alkylation of benzene by propene. Benzene and propene are compressed together to...
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Ammonolysis (redirect from Alkylation of Amines)
"Haloalkanes and ammonia". www.chemguide.co.uk. Ashenhurst, James (2017-05-26). "Alkylation of Amines". Master Organic Chemistry. Werner, Emil Alphonse (1918-01-01)...
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Pennsylvania. A release of hydrocarbons and hydrofluoric acid in the refinery's alkylation unit caused a ground-hugging vapor cloud which rapidly ignited, leading...
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Nitrile anion (section Alkylation of nitrile anions)
halides. The primary difficulty for alkylation reactions employing nitrile anions is over-alkylation. In the alkylation of acetonitrile, for instance, yields...
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scale in the petroleum industry by alkylation of isobutene with isobutane. This process is conducted in alkylation units in the presence of acid catalysts...
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cumene is by Friedel–Crafts alkylation of benzene with propylene. The original route for manufacturing of cumene was by alkylation of benzene in the liquid...
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1951 and came into medical use in 1960. Carbocisteine is produced by alkylation of cysteine with chloroacetic acid. Carbocisteine. drugbank.ca Zheng JP...
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Creosote (section Alkylation)
effects. This diagram shows an o-alkylation between phenol and methanol. Unlike the c-alkylation, the o-alkylation replaces the hydrogen atom on the...
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is produced in large quantities in oil refineries. It results from the alkylation of isobutane by propylene. Often referred to as "alkylate", it is blended...
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N,N-Diisopropylethylamine (section Alkylations)
DIPEA is commercially available. It is traditionally prepared by the alkylation of diisopropylamine with diethyl sulfate. Pure DIPEA exists as a colorless...
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the development name AT-001; development was discontinued in 2011. The alkylation of 2-chlorophenothiazine (1) and 1-(3-Chloropropyl)-4-methylpiperazine...
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Huntsman (chemical plant) (section Alkylation)
plant is not stored but piped directly to the Alkylation plant where it is consumed. If the Alkylation plant cannot accept the ethylene, the gas is sent...
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analogous to that of amobarbital, the only difference being that the alkylation of α-ethylmalonic ester is carried out with 2-bromopentane in place of...
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Cyanide (section Alkylation)
In chemistry, cyanide (from Greek kyanos 'dark blue') is a chemical compound that contains a C≡N functional group. This group, known as the cyano group...
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Friedel-Crafts alkylation and related reactions. AlCl3 is a common Lewis-acid catalyst for Friedel-Crafts reactions, both acylations and alkylations. Important...
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Ethylene (section Alkylation)
polymerization, 2) oxidation, 3) halogenation and hydrohalogenation, 4) alkylation, 5) hydration, 6) oligomerization, and 7) hydroformylation. In the United...
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