• Thumbnail for Alkylation
    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,...
    15 KB (1,645 words) - 05:09, 7 March 2024
  • Thumbnail for Alkylation unit
    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...
    33 KB (4,629 words) - 10:59, 1 May 2024
  • to an aromatic ring. Friedel–Crafts reactions are of two main types: alkylation reactions and acylation reactions. Both proceed by electrophilic aromatic...
    20 KB (1,988 words) - 00:39, 15 February 2024
  • Amine alkylation (amino-dehalogenation) is a type of organic reaction between an alkyl halide and ammonia or an amine. The reaction is called nucleophilic...
    6 KB (814 words) - 00:53, 9 July 2022
  • Thumbnail for Enders SAMP/RAMP hydrazone-alkylation reaction
    The Enders SAMP/RAMP hydrazone alkylation reaction is an asymmetric carbon-carbon bond formation reaction facilitated by pyrrolidine chiral auxiliaries...
    23 KB (2,515 words) - 15:15, 4 April 2024
  • Thumbnail for Chiral auxiliary
    selectively furnishes the (Z)-enolate, which can undergo stereoselective alkylation. Alkylation of an oxazolidinone imide with benzyl bromide Activated electrophiles...
    34 KB (3,692 words) - 07:36, 24 August 2023
  • Thumbnail for Ether
    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...
    19 KB (1,835 words) - 03:40, 19 May 2024
  • The Tsuji–Trost reaction (also called the Trost allylic alkylation or allylic alkylation) is a palladium-catalysed substitution reaction involving a substrate...
    24 KB (2,771 words) - 01:05, 8 March 2024
  • Thumbnail for Stork enamine alkylation
    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...
    3 KB (404 words) - 10:57, 12 February 2024
  • Thumbnail for Birch reduction
    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
  • Thumbnail for Amine
    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...
    35 KB (3,695 words) - 13:58, 6 June 2024
  • the Fráter–Seebach alkylation (also known as Seebach–Fráter alkylation or Fráter–Seebach reaction) is a diastereoselective alkylation of chiral beta-hydroxy...
    3 KB (281 words) - 11:44, 20 July 2019
  • Thumbnail for Sulfonate
    Lewis acids. A classic preparation of sulfonates is the Strecker sulfite alkylation, in which an alkali sulfite salt displaces a halide, typically in the...
    5 KB (583 words) - 17:41, 1 March 2024
  • Thumbnail for Enamine
    Enamine (section Alkylation)
    counterparts, they can still react selectively, rendering them useful for alkylation reactions. The enamine nucleophile can attack haloalkanes to form the...
    17 KB (1,800 words) - 14:54, 13 May 2023
  • Thumbnail for 2019 Philadelphia refinery explosion
    Pennsylvania. A release of hydrocarbons and hydrofluoric acid in the refinery's alkylation unit caused a ground-hugging vapor cloud which rapidly ignited, leading...
    9 KB (822 words) - 08:42, 25 March 2024
  • Thumbnail for Cumene process
    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...
    9 KB (1,005 words) - 05:25, 10 June 2024
  • "Haloalkanes and ammonia". www.chemguide.co.uk. Ashenhurst, James (2017-05-26). "Alkylation of Amines". Master Organic Chemistry. Werner, Emil Alphonse (1918-01-01)...
    10 KB (1,017 words) - 12:57, 19 February 2024
  • Thumbnail for Cyanide
    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...
    34 KB (3,848 words) - 08:36, 26 June 2024
  • Thumbnail for Cumene
    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...
    7 KB (445 words) - 02:45, 4 January 2024
  • Thumbnail for Creosote
    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...
    95 KB (10,396 words) - 14:11, 18 May 2024
  • Thumbnail for Carbocisteine
    1951 and came into medical use in 1960. Carbocisteine is produced by alkylation of cysteine with chloroacetic acid. Carbocisteine. drugbank.ca Zheng JP...
    4 KB (272 words) - 04:11, 1 January 2024
  • Thumbnail for N,N-Diisopropylethylamine
    DIPEA is commercially available. It is traditionally prepared by the alkylation of diisopropylamine with diethyl sulfate. Pure DIPEA exists as a colorless...
    10 KB (809 words) - 11:18, 15 January 2024
  • Thumbnail for 2,2,4-Trimethylpentane
    scale in the petroleum industry by alkylation of isobutene with isobutane. This process is conducted in alkylation units in the presence of acid catalysts...
    7 KB (484 words) - 09:14, 24 January 2024
  • 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...
    15 KB (2,217 words) - 10:26, 13 January 2024
  • Thumbnail for Aluminium chloride
    Friedel-Crafts alkylation and related reactions. AlCl3 is a common Lewis-acid catalyst for Friedel-Crafts reactions, both acylations and alkylations. Important...
    23 KB (1,721 words) - 09:35, 11 April 2024
  • Thumbnail for Phenols
    elaboration of phenol or cresols. They are typically produced by the alkylation of benzene/toluene with propylene to form cumene then O 2 is added with...
    11 KB (1,014 words) - 17:37, 4 April 2024
  • halides. The primary difficulty for alkylation reactions employing nitrile anions is over-alkylation. In the alkylation of acetonitrile, for instance, yields...
    8 KB (999 words) - 18:05, 4 April 2024
  • are aromatic nitration, aromatic halogenation, aromatic sulfonation, alkylation Friedel–Crafts reaction and acylation Friedel–Crafts reaction. The most...
    17 KB (2,089 words) - 10:28, 27 April 2024
  • Thumbnail for Ethylene
    Ethylene (section Alkylation)
    polymerization, 2) oxidation, 3) halogenation and hydrohalogenation, 4) alkylation, 5) hydration, 6) oligomerization, and 7) hydroformylation. In the United...
    36 KB (3,232 words) - 04:24, 19 June 2024
  • Thumbnail for Chlorphenamine
    chlorphenamine. A second method boom starts from pyridine, which undergoes alkylation by 4-chlorophenylacetonitrile, giving 2-(4-chlorobenzyl)pyridine. Alkylating...
    21 KB (1,711 words) - 05:21, 5 April 2024