Information om | Engelska ordet ALKYLATION

Exempel på hur man kan använda ALKYLATION i en mening

• A common route to such fractions is the alkylation reaction between iso-butane and 1-butene, which forms iso-octane.
• Friedel developed the Friedel-Crafts alkylation and acylation reactions with James Crafts in 1877, and attempted to make synthetic diamonds.
• James Mason Crafts (March 8, 1839 – June 20, 1917) was an American chemist, mostly known for developing the Friedel–Crafts alkylation and acylation reactions with Charles Friedel in 1876.
• A classic preparation of sulfonates is the Strecker sulfite alkylation, in which an alkali sulfite salt displaces a halide, typically in the presence of an iodine catalyst:.
• Monel is used in the section of alkylation units in direct contact with concentrated hydrofluoric acid.
• Endogenous sources of specific DNA damage include pathways like hydrolysis, oxidation, alkylation, mismatch of DNA bases, depurination, depyrimidination, double-strand breaks (DSS), and cytosine deamination.
• Oil refining processes include distillation, vacuum distillation, catalytic reforming, catalytic cracking, alkylation, isomerization and hydrotreating.
• Amination can occur in a number of ways including reaction with ammonia or another amine such as an alkylation, reductive amination and the Mannich reaction.
• The MAO serves two roles: (i) alkylation of the metallocene halide and (ii) abstraction of an anionic ligand (chloride or methyl) to give an electrophilic catalyst with a labile coordination site.
• Another important use in organic synthesis is for alkylation of ketones, which would otherwise form enolates if simple organolithium reagents were to be used.
• An explosion at Philadelphia Energy Solutions' refinery destroyed the alkylation unit, where crude oil is converted to high octane gas, and led to the planned closure of the financially troubled plant.
• Being coordinatively saturated, the hydrate is of little value as a catalyst in Friedel-Crafts alkylation and related reactions.
• Chemicals like ethyl methanesulfonate (EMS) cause random point mutations particularly in G/C to A/T transitions due to guanine alkylation.
• Pretty interesting sweet potato potyviral ORF (PISPO), alkylation B (AlkB), and inosine triphosphate pyrophosphatase (known as ITPase or HAM1) are protein domains identified in atypical members.
• The Gabriel reaction has been generalized to include the alkylation of sulfonamides and imides, followed by deprotection, to obtain amines (see Alternative Gabriel reagents).
• The reagent Selectfluor is derived by alkylation of DABCO with dichloromethane following by treatment with fluorine.
• Amidines are also prepared by the addition of organolithium reagents to diimines, followed by protonation or alkylation.
• Allylpalladium intermediates also feature in the Trost asymmetric allylic alkylation and the Carroll rearrangement and an oxo variation in the Saegusa oxidation.
• Isooctane is produced on a massive scale in the petroleum industry by alkylation of isobutene with isobutane.
• Acid used for acid catalysis include hydrofluoric acid (in the alkylation process), phosphoric acid, toluenesulfonic acid, polystyrene sulfonate, heteropoly acids, zeolites.

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