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Reactions
503 reactions imported from Wikipedia named-reactions and Organic Syntheses archives. Filter by source or search by name + summary.
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| Equation | Name | Summary | Source |
|---|---|---|---|
| Gallagher–Hollander degradation | In the Gallagher–Hollander degradation (1946) pyruvic acid is removed from a linear aliphatic carboxylic acid yielding a new acid with two carbon atoms fewer. The original publication concerns the con… | Wikipedia: Category:Name reactions | |
| Ganem oxidation Oxidation | In organic chemistry, the Ganem oxidation is a name reaction that allows for the preparation of carbonyls from primary or secondary alkyl halides with the use of trialkylamine N-oxides, such as N-meth… | Wikipedia: Category:Name reactions | |
| Gattermann reaction | The Gattermann reaction (also known as the Gattermann formylation and the Gattermann salicylaldehyde synthesis) is a chemical reaction in which aromatic compounds are formylated by a mixture of hydro… | Wikipedia: Category:Name reactions | |
| Gewald reaction | The Gewald reaction (or the Gewald aminothiophene synthesis) is an organic reaction involving the condensation of a ketone (or aldehyde when R2 = H) with a α-cyanoester in the presence of elemental su… | Wikipedia: Category:Name reactions | |
| Girdler sulfide process | The Girdler sulfide (GS) process, also known as the Geib–Spevack (GS) process, is an industrial production method for extracting heavy water (deuterium oxide, D2O) from natural water. Heavy water is … | Wikipedia: Category:Name reactions | |
| Glaser coupling Cross-coupling | The Glaser coupling is a type of coupling reaction. It is by far one of the oldest coupling reactions and is based on copper compounds like copper(I) chloride or copper(I) bromide and an additional ox… | Wikipedia: Category:Name reactions | |
| Gomberg–Bachmann reaction | The Gomberg–Bachmann reaction, named for the Russian-American chemist Moses Gomberg and the American chemist Werner Emmanuel Bachmann, is an aryl-aryl coupling reaction via a diazonium salt. | Wikipedia: Category:Name reactions | |
| Gould–Jacobs reaction | The Gould–Jacobs reaction is an organic synthesis for the preparation of quinolines and 4‐hydroxyquinoline derivatives. The Gould–Jacobs reaction is a series of reactions. The series of reactions begi… | Wikipedia: Category:Name reactions | |
| Grieco elimination Elimination | The Grieco elimination is an organic reaction describing the elimination reaction of an aliphatic primary alcohol through a selenide to a terminal alkene. It is named for Paul Grieco. | Wikipedia: Category:Name reactions | |
| Grieco three-component condensation Condensation | The Grieco three-component condensation is an organic chemistry reaction that produces nitrogen-containing six-member heterocycles via a multi-component reaction of an aldehyde, a nitrogen component, … | Wikipedia: Category:Name reactions | |
| Griesbaum coozonolysis Oxidation | The Griesbaum coozonolysis is a name reaction in organic chemistry that allows for the preparation of tetrasubstituted ozonides (1,2,4-trioxolanes) by the reaction of O-methyl oximes with a carbonyl c… | Wikipedia: Category:Name reactions | |
| Grignard reaction Organometallic addition | The Grignard reaction (French: [ɡʁiɲaʁ]) is an organometallic chemical reaction in which, according to the classical definition, carbon alkyl, allyl, vinyl, or aryl magnesium halides (Grignard reagent… | Wikipedia: Category:Name reactions | |
| Grob fragmentation | A Grob fragmentation is an elimination reaction that breaks a neutral aliphatic chain into three fragments: a positive ion spanning atoms 1 and 2 (the "electrofuge"), an unsaturated neutral fragment s… | Wikipedia: Category:Name reactions | |
| Grundmann aldehyde synthesis | The Grundmann aldehyde synthesis is a chemical reaction that produces an aldehyde from an acyl halide. | Wikipedia: Category:Name reactions | |
| Guerbet reaction | The Guerbet reaction, named after Marcel Guerbet (1861–1938), is an organic reaction that converts a primary alcohol into its β-alkylated dimer alcohol with loss of one equivalent of water. The proces… | Wikipedia: Category:Name reactions | |
| Haber process | The Haber process, also called the Haber–Bosch process, is the main industrial procedure for the production of ammonia. It converts atmospheric nitrogen (N2) to ammonia (NH3) by a reaction with hydrog… | Wikipedia: Category:Name reactions | |
| Haber–Weiss reaction | The Haber–Weiss reaction generates •OH (hydroxyl radicals) from H2O2 (hydrogen peroxide) and superoxide (•O2−) catalyzed by iron ions. It was first proposed by Fritz Haber and his student Joseph Joshu… | Wikipedia: Category:Name reactions | |
| Hammick reaction | The Hammick reaction, named after Dalziel Hammick, is a chemical reaction in which the thermal decarboxylation of α-picolinic (or related) acids in the presence of carbonyl compounds forms 2-pyridyl-c… | Wikipedia: Category:Name reactions | |
| Hantzsch pyridine synthesis | The Hantzsch pyridine synthesis or Hantzsch dihydropyridine synthesis is a multi-component organic reaction between an aldehyde such as formaldehyde, 2 equivalents of a β-keto ester such as ethyl acet… | Wikipedia: Category:Name reactions | |
| Hantzsch pyrrole synthesis | The Hantzsch Pyrrole Synthesis, named for Arthur Rudolf Hantzsch, is the chemical reaction of β-ketoesters (1) with ammonia (or primary amines) and α-haloketones (2) to give substituted pyrroles (3). | Wikipedia: Category:Name reactions | |
| Hass–Bender oxidation Oxidation | In organic chemistry, the Hass–Bender oxidation (also called the Hass–Bender carbonyl synthesis) is an organic oxidation reaction that converts benzyl halides into benzaldehydes using the sodium salt … | Wikipedia: Category:Name reactions | |
| Hayashi rearrangement Rearrangement | The Hayashi rearrangement is the chemical reaction of ortho-benzoylbenzoic acids catalyzed by sulfuric acid or phosphorus pentoxide. | Wikipedia: Category:Name reactions | |
| Heck–Matsuda reaction Cross-coupling | The Heck–Matsuda (HM) reaction is an organic reaction and a type of palladium catalysed arylation of olefins that uses arenediazonium salts as an alternative to aryl halides and triflates. | Wikipedia: Category:Name reactions | |
| Heck reaction Cross-coupling | The Heck reaction (also called the Mizoroki–Heck reaction) is the chemical reaction of an unsaturated halide (or triflate) with an alkene in the presence of a base and a palladium catalyst to form a … | Wikipedia: Category:Name reactions | |
| Hegedus indole synthesis | The Hegedus indole synthesis is a name reaction in organic chemistry that allows for the generation of indoles through palladium(II)-mediated oxidative cyclization of ortho-alkenyl anilines. The react… | Wikipedia: Category:Name reactions | |
| Hell–Volhard–Zelinsky halogenation Halogenation | The Hell–Volhard–Zelinsky halogenation reaction is a chemical transformation that transforms an alkyl carboxylic acid to the α-bromo derivative. It is a specialized and rare kind of halogenation. | Wikipedia: Category:Name reactions | |
| Hemetsberger indole synthesis | The Hemetsberger indole synthesis (also called the Hemetsberger–Knittel synthesis) is a chemical reaction that thermally decomposes a 3-aryl-2-azido-propenoic ester into an indole-2-carboxylic ester. | Wikipedia: Category:Name reactions | |
| Henry reaction | The Henry reaction is a classic carbon–carbon bond formation reaction in organic chemistry. Discovered in 1895 by the Belgian chemist Louis Henry (1834–1913), it is the combination of a nitroalkane an… | Wikipedia: Category:Name reactions | |
| Herz reaction | The Herz reaction, named after the chemist Richard Herz, is the chemical conversion of an aniline to the benzodithiazolium salt by its reaction with disulfur dichloride. The salt is called a Herz sal… | Wikipedia: Category:Name reactions | |
| Hexadehydro Diels–Alder reaction | In organic chemistry, the hexadehydro-Diels–Alder (HDDA) reaction is an organic chemical reaction between a diyne (2 alkyne functional groups arranged in a conjugated system) and an alkyne to form a r… | Wikipedia: Category:Name reactions | |
| Hill reaction | The Hill reaction is the light-driven transfer of electrons from water to Hill reagents (non-physiological oxidants) in a direction against the chemical potential gradient as part of photosynthesis. R… | Wikipedia: Category:Name reactions | |
| Hinsberg oxindole synthesis | The Hinsberg oxindole synthesis is a method of preparing oxindoles from the bisulfite additions of glyoxal. It is named after its inventor Oscar Hinsberg. | Wikipedia: Category:Name reactions | |
| Hirao coupling Cross-coupling | In organic chemistry, Hirao coupling is a chemical reaction for the formation of carbon-phosphorus bonds using palladium cross-coupling. Hirao coupling expands the scope of carbon-phosphorus bond form… | Wikipedia: Category:Name reactions | |
| Hiyama coupling Cross-coupling | The Hiyama coupling is a palladium-catalyzed cross-coupling reaction of organosilanes with organic halides used in organic chemistry to form carbon–carbon bonds (C-C bonds). This reaction was discover… | Wikipedia: Category:Name reactions | |
| Hoesch reaction | The Hoesch reaction or Houben–Hoesch reaction is an organic reaction in which a nitrile reacts with an arene compound to form an aryl ketone. The reaction is a type of Friedel–Crafts acylation with hy… | Wikipedia: Category:Name reactions | |
| Hofmann elimination Rearrangement | Hofmann elimination is an elimination reaction of an amine to form alkenes. The least stable alkene (the one with the fewest substituents on the carbons of the double bond), called the Hofmann product… | Wikipedia: Category:Name reactions | |
| Hofmann–Löffler reaction Rearrangement | In organic chemistry, the Hofmann–Löffler reaction (also referred to as Hofmann–Löffler–Freytag reaction, Löffler–Freytag reaction, Löffler–Hofmann reaction, as well as Löffler's method) is a radical … | Wikipedia: Category:Name reactions | |
| Hofmann rearrangement Rearrangement | The Hofmann rearrangement (Hofmann degradation) is the organic reaction of a primary amide to a primary amine with one less carbon atom. The reaction involves oxidation of the nitrogen followed by rea… | Wikipedia: Category:Name reactions | |
| Homo-Favorskii rearrangement Rearrangement | The homo Favorskii rearrangement is the rearrangement of β-halo ketones and cyclobutanones, which in ring systems may yield ring contraction. This rearrangement takes place in the presence of a base, … | Wikipedia: Category:Name reactions | |
| Hooker reaction | In the Hooker reaction (1936) an alkyl chain in a certain naphthoquinone (phenomenon first observed in the compound lapachol) is reduced by one methylene unit as carbon dioxide in each potassium perma… | Wikipedia: Category:Name reactions | |
| Horner–Wadsworth–Emmons reaction | The Horner–Wadsworth–Emmons (HWE) reaction is a chemical reaction used in organic chemistry of stabilized phosphonate carbanions with aldehydes (or ketones) to produce predominantly E-alkenes. | Wikipedia: Category:Name reactions | |
| Hummers' method | Hummers' method is a chemical process that can be used to generate graphite oxide through the addition of potassium permanganate to a solution of graphite, sodium nitrate, and sulfuric acid. It is com… | Wikipedia: Category:Name reactions | |
| Hunsdiecker reaction | The Hunsdiecker reaction (also called the Borodin reaction or the Hunsdiecker–Borodin reaction) is a name reaction in organic chemistry whereby silver salts of carboxylic acids react with a halogen to… | Wikipedia: Category:Name reactions | |
| Hurd–Mori 1,2,3-thiadiazole synthesis | The Hurd–Mori 1,2,3-thiadiazole synthesis is a name reaction in organic chemistry that allows for the generation of 1,2,3-thiadiazoles through the reaction of hydrazone derivatives with an N-acyl or N… | Wikipedia: Category:Name reactions | |
| Intramolecular Diels–Alder cycloaddition Cycloaddition | In organic chemistry, an intramolecular Diels-Alder cycloaddition is a Diels–Alder reaction in which the diene and the dienophile are both part of the same molecule. The reaction leads to the formatio… | Wikipedia: Category:Name reactions | |
| Inverse electron-demand Diels–Alder reaction | The inverse electron demand Diels–Alder reaction, or DAINV or IEDDA is an organic chemical reaction, in which two new chemical bonds and a six-membered ring are formed. It is related to the Diels–Ald… | Wikipedia: Category:Name reactions | |
| Ireland–Claisen rearrangement Rearrangement | The Ireland–Claisen rearrangement is a chemical reaction of an allylic ester with strong base to give an γ,δ-unsaturated carboxylic acid. | Wikipedia: Category:Name reactions | |
| Isay reaction | The Isay reaction also known as Gabriel-Isay condensation is an organic reaction in which certain diaminopyrimidines are transformed into pterins by condensation with a 1,2-dicarbonyl compound, such a… | Wikipedia: Category:Name reactions | |
| Ivanov reaction | The Ivanov reaction is a carbon–carbon bond-forming chemical reaction involving the addition of dianions (endiolates) of aryl acetic acids (Ivanov reagents) with electrophilic substrates such as aldeh… | Wikipedia: Category:Name reactions | |
| Jacobsen epoxidation Oxidation | The Jacobsen epoxidation, sometimes also referred to as Jacobsen-Katsuki epoxidation is a chemical reaction which allows enantioselective epoxidation of unfunctionalized alkyl- and aryl- substituted a… | Wikipedia: Category:Name reactions |