Anagram & Information om | Engelska ordet REFLUXING

Exempel på hur man kan använda REFLUXING i en mening

• Fischer esterification or Fischer–Speier esterification is a special type of esterification by refluxing a carboxylic acid and an alcohol in the presence of an acid catalyst.
• Anhydrous hydrogen bromide can also be produced on a small scale by thermolysis of triphenylphosphonium bromide in refluxing xylene.
• 3 by reaction in presence of potassium tert-butoxide in refluxing dibutyl ether through a diaryne intermediate 4.
• The ylide is prepared in situ by reaction of the diazo compound ethyl diazomalonate with a sulfide catalyzed by dirhodium tetraacetate in refluxing xylene.
• By refluxing in concentrated ethanolic hydrochloric acid solution this salt is converted to the primary amine together with formaldehyde (as the acetal with ethanol) and ammonium chloride.
• The non-refluxing type has been associated with higher incidence of ureteroenteric anastomosis stricture, and there is doubt whether it has any advantages over the refluxing type.
• Silylation of glutamic acid with excess hexamethyldisilazane and catalytic TMSCl in either refluxing xylene or acetonitrile followed by dilution with alcohol (methanol or ethanol) yields the derived lactam pyroglutamic acid in good yield.
• Chlorodiphenylphosphine is used in the synthesis of sodium diphenylphosphide via its reaction with sodium metal in refluxing dioxane.
• The last step involves cyclization with thiourea (4) in refluxing ethanol, completing the synthesis of talipexole (5).
• These diketones then give dialkoxydiimines 3 by treatment with dimethyl sulfate in refluxing toluene, or with triethyloxonium tetrafluoroborate in refluxing chloroform/hexamethylphosphoramide.
• Cyanuric triazide can be synthesized via nucleophilic aromatic substitution by mixing cyanuric trichloride with an excess of sodium azide in refluxing acetone.
• First off, a Vilsmeier-Haack reagent is prepared by refluxing paraformaldehyde and dimethylamine hydrochloride in isopentanol at a temperature of 131 °C while removing water from the isopentanol using a Dean-Stark separator.
• The ketol can then be cyclized with the use of acetic acid and pyrrolidine in refluxing tetrahydrofuran which gives a mixture of ketones.

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