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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
Noise-induced order Noise-induced order is a mathematical phenomenon appearing in the Matsumoto-Tsuda model of the Belosov-Zhabotinski reaction. Wikipedia: Category:Name reactions
Norrish reaction A Norrish reaction, named after Ronald George Wreyford Norrish who developed the reaction(s) during the 1930's primarily through his work at Cambridge University. It is a photochemical reaction taking… Wikipedia: Category:Name reactions
Nozaki–Hiyama–Kishi reaction The Nozaki–Hiyama–Kishi reaction is a nickel/chromium coupling reaction forming an alcohol from the reaction of an aldehyde with an allyl or vinyl halide. In their original 1977 publication, Tamejiro … Wikipedia: Category:Name reactions
Oppenauer oxidation Oxidation Oppenauer oxidation, named after Rupert Viktor Oppenauer, is a gentle method for selectively oxidizing secondary alcohols to ketones. Wikipedia: Category:Name reactions
Overman rearrangement Rearrangement The Overman rearrangement is a chemical reaction that can be described as a Claisen rearrangement of allylic alcohols to give allylic trichloroacetamides through an imidate intermediate. The Overman r… Wikipedia: Category:Name reactions
Oxo-Diels–Alder reaction An oxo-Diels–Alder reaction (also called an oxa-Diels–Alder reaction) is an organic reaction and a variation of the Diels–Alder reaction in which a suitable diene reacts with an aldehyde to form a dih… Wikipedia: Category:Name reactions
Oxy-Cope rearrangement Rearrangement In organic chemistry, the oxy-Cope rearrangement is a chemical reaction. It involves reorganization of the skeleton of certain unsaturated alcohols. It is a variation of the Cope rearrangement in whic… Wikipedia: Category:Name reactions
Paal–Knorr synthesis The Paal–Knorr synthesis is a reaction used to synthesize substituted furans, pyrroles, or thiophenes from 1,4-diketones. It is a synthetically valuable method for obtaining substituted furans and pyr… Wikipedia: Category:Name reactions
Parikh–Doering oxidation Oxidation The Parikh–Doering oxidation is an oxidation reaction that transforms primary and secondary alcohols into aldehydes and ketones, respectively. The procedure uses dimethyl sulfoxide (DMSO) as the oxida… Wikipedia: Category:Name reactions
Passerini reaction The Passerini reaction is a chemical reaction involving an isocyanide, an aldehyde (or ketone), and a carboxylic acid to form a α-acyloxy amide. This addition reaction is one of the oldest isocyanide-… Wikipedia: Category:Name reactions
Paternò–Büchi reaction The Paternò–Büchi reaction, named after Emanuele Paternò and George Büchi, who established its basic utility and form, is a photochemical reaction, specifically a 2+2 photocycloaddition, which forms f… Wikipedia: Category:Name reactions
Pauson–Khand reaction The Pauson–Khand (PK) reaction is a chemical reaction, described as a [2+2+1] cycloaddition. In it, an alkyne, an alkene, and carbon monoxide combine into a α,β-cyclopentenone in the presence of a m… Wikipedia: Category:Name reactions
Payne rearrangement Rearrangement The Payne rearrangement is the isomerization, under basic conditions, of 2,3-epoxy alcohols to isomeric 1,2-epoxy alcohols with inversion of configuration. Aza- and thia-Payne rearrangements of azirid… Wikipedia: Category:Name reactions
Pechmann condensation Condensation The Pechmann condensation is a synthesis of coumarins, starting from a phenol and a carboxylic acid or ester containing a β-carbonyl group. The condensation is performed under acidic conditions. The… Wikipedia: Category:Name reactions
Pellizzari reaction The Pellizzari reaction was discovered in 1911 by Guido Pellizzari, and is the organic reaction of an amide and a hydrazide to form a 1,2,4-triazole. Wikipedia: Category:Name reactions
Perkin reaction Condensation The Perkin reaction is an organic reaction developed by English chemist William Henry Perkin in 1868 that is used to make cinnamic acids. It gives an α,β-unsaturated aromatic acid or α-substituted β-… Wikipedia: Category:Name reactions
Perkin rearrangement Condensation The Perkin rearrangement (coumarin–benzofuran ring contraction) is a rearrangement reaction in which a 2-halocoumarin in the presence of hydroxide undergoes a ring contraction to form a benzofuran. Th… Wikipedia: Category:Name reactions
Perkow reaction The Perkow reaction is an organic reaction in which a trialkyl phosphite ester reacts with a haloketone to form a dialkyl vinyl phosphate and an alkyl halide.[1] Wikipedia: Category:Name reactions
Petasis reaction The Petasis reaction (alternatively called the Petasis borono–Mannich (PBM) reaction) is the multi-component reaction of an amine, a carbonyl, and a vinyl- or aryl-boronic acid to form substituted ami… Wikipedia: Category:Name reactions
Peterson olefination Olefination The Peterson olefination (also called the Peterson reaction) is the chemical reaction of α-silyl carbanions (1 in diagram below) with ketones (or aldehydes) to form a β-hydroxysilane (2) which elimina… Wikipedia: Category:Name reactions
Petrenko-Kritschenko piperidone synthesis The Petrenko-Kritschenko reaction is a classic multicomponent-name reaction that is closely related to the Robinson–Schöpf tropinone synthesis, but was published 12 years earlier. Wikipedia: Category:Name reactions
Pfitzinger reaction The Pfitzinger reaction (also known as the Pfitzinger-Borsche reaction) is the chemical reaction of isatin with base and a carbonyl compound to yield substituted quinoline-4-carboxylic acids. Wikipedia: Category:Name reactions
Pfitzner–Moffatt oxidation Oxidation The Pfitzner–Moffatt oxidation, sometimes referred to as simply the Moffatt oxidation, is a chemical reaction for the oxidation of primary and secondary alcohols to aldehydes and ketones, respectively… Wikipedia: Category:Name reactions
Piancatelli rearrangement Rearrangement In 1976, the Italian chemist, Giovanni Piancatelli and coworkers developed a new method to synthesize 4-hydroxycyclopentenone derivatives from 2-furylcarbinols through an acid-catalyzed rearrangement.… Wikipedia: Category:Name reactions
Pictet–Spengler reaction The Pictet–Spengler reaction is a chemical reaction in which a β-arylethylamine undergoes condensation with an aldehyde or ketone followed by ring closure. The reaction was first discovered in 1911 by… Wikipedia: Category:Name reactions
Pinner reaction The Pinner reaction refers to the acid catalysed reaction of a nitrile with an alcohol to form an imino ester salt (alkyl imidate salt); this is sometimes referred to as a Pinner salt. Wikipedia: Category:Name reactions
Pinnick oxidation Oxidation The Pinnick oxidation is an organic reaction by which aldehydes can be oxidized into their corresponding carboxylic acids using sodium chlorite (NaClO2) under mild acidic conditions. It was originally… Wikipedia: Category:Name reactions
Pomeranz–Fritsch reaction The Pomeranz–Fritsch reaction, also named Pomeranz–Fritsch cyclization, is a named reaction in organic chemistry. It is named after Paul Fritsch (1859–1913) and Cäsar Pomeranz (1860–1926). In general … Wikipedia: Category:Name reactions
Povarov reaction The Povarov reaction is an organic reaction described as a formal cycloaddition between an aromatic imine and an alkene. The imine in this organic reaction is a condensation reaction product from an a… Wikipedia: Category:Name reactions
Prato reaction The Prato reaction is a particular example of the well-known 1,3-dipolar cycloaddition of azomethine ylides to olefins. In fullerene chemistry this reaction refers to the functionalization of fulleren… Wikipedia: Category:Name reactions
Prévost reaction The Prévost reaction is a chemical reaction in which an alkene is converted by iodine and the silver salt of benzoic acid to a vicinal diol with anti stereochemistry. The reaction was discovered by th… Wikipedia: Category:Name reactions
Prilezhaev reaction The Prilezhaev reaction, also known as the Prileschajew reaction or Prilezhaev epoxidation, is the chemical reaction of an alkene with a peroxy acid to form epoxides. It is named after Nikolai Prilez… Wikipedia: Category:Name reactions
Prins reaction The Prins reaction is an organic reaction consisting of an electrophilic addition of an aldehyde or ketone to an alkene or alkyne followed by capture of a nucleophile or elimination of an H+ ion. The … Wikipedia: Category:Name reactions
Pschorr cyclization Cyclization The Pschorr cyclization is a name reaction in organic chemistry, which was named after its discoverer, the German chemist Robert Pschorr (1868-1930). It describes the intramolecular substitution of ar… Wikipedia: Category:Name reactions
Pudovik reaction In organophosphorus chemistry, the Pudovik reaction is a method for preparing α-aminomethylphosphonates. It is named after the well-known chemist Pudoh Kripparelli , who discovered that under basic c… Wikipedia: Category:Name reactions
Pummerer rearrangement Rearrangement The Pummerer rearrangement is an organic reaction whereby an alkyl sulfoxide rearranges to an α-acyloxy–thioether (monothioacetal-ester) in the presence of acetic anhydride. Wikipedia: Category:Name reactions
Quelet reaction The Quelet reaction (also called the Blanc–Quelet reaction) is an organic coupling reaction in which a phenolic ether reacts with an aliphatic aldehyde to generate an α-chloroalkyl derivative. The Que… Wikipedia: Category:Name reactions
Ramberg–Bäcklund reaction The Ramberg–Bäcklund reaction is an organic reaction converting an α-halo sulfone into an alkene in presence of a base with extrusion of sulfur dioxide.[1] The reaction is named after the two Swedish … Wikipedia: Category:Name reactions
Rauhut–Currier reaction The Rauhut–Currier reaction, also called the vinylogous Morita–Baylis–Hillman reaction, is an organic reaction describing (in its original scope) the dimerization or isomerization of electron-deficien… Wikipedia: Category:Name reactions
Reed reaction The Reed reaction is a chemical reaction that utilizes light to oxidize hydrocarbons to alkylsulfonyl chlorides. This reaction is employed in modifying polyethylene to give chlorosulfonated polyethyl… Wikipedia: Category:Name reactions
Reformatsky reaction Organometallic addition The Reformatsky reaction (sometimes transliterated as Reformatskii reaction) is an organic reaction which condenses aldehydes or ketones with α-halo esters using metallic zinc to form β-hydroxy-esters… Wikipedia: Category:Name reactions
Reimer–Tiemann reaction The Reimer–Tiemann reaction is a chemical reaction used for the ortho-formylation of phenols. Wikipedia: Category:Name reactions
Reissert indole synthesis The Reissert indole synthesis is a series of chemical reactions designed to synthesize indole or substituted-indoles (4 and 5) from ortho-nitrotoluene 1 and diethyl oxalate 2. Wikipedia: Category:Name reactions
Reissert reaction The Reissert reaction is a series of chemical reactions that transforms quinoline to quinaldic acid.[1][2] Quinolines will react with acid chlorides and potassium cyanide to give 1-acyl-2-cyano-1,2-d… Wikipedia: Category:Name reactions
Retro-Diels–Alder reaction The retro-Diels–Alder reaction (rDA reaction) is the reverse of the Diels–Alder (DA) reaction, a [4+2] cycloelimination. It involves the formation of a diene and dienophile from a cyclohexene. It can … Wikipedia: Category:Name reactions
Rieche formylation Rieche formylation is a type of formylation reaction. The substrates are electron rich aromatic compounds, such as mesitylene or phenols, with dichloromethyl methyl ether acting as the formyl source. … Wikipedia: Category:Name reactions
Riemschneider thiocarbamate synthesis The Riemschneider thiocarbamate synthesis converts alkyl or aryl thiocyanates to thiocarbamates under acidic conditions, followed by hydrolysis with ice water. The reaction was discovered by the Germa… Wikipedia: Category:Name reactions
Riley oxidation Oxidation The Riley oxidation is a selenium dioxide-mediated oxidation of methylene groups adjacent to carbonyls. It was first reported by Harry Lister Riley and co-workers in 1932. In the decade that ensued, s… Wikipedia: Category:Name reactions
Ritter reaction The Ritter reaction (sometimes called the Ritter amidation) is a chemical reaction that transforms a nitrile into an N-alkyl amide using various electrophilic alkylating reagents. The original reactio… Wikipedia: Category:Name reactions
Robinson annulation Cyclization The Robinson annulation is a chemical reaction used in organic chemistry for ring formation. It was discovered by Robert Robinson in 1935 as a method to create a six membered ring by forming three new… Wikipedia: Category:Name reactions

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