α,β-Unsaturated carbonyl compounds are organic compounds with the general structure (O=CR)−Cα=Cβ-R. Such compounds include enones and enals, but also carboxylic...
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acceptor), the R" substituent is usually a carbonyl, which makes the compound an α,β-unsaturated carbonyl compound (either an enone or an enal), or R" may...
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with Raney nickel or reaction with sodium triethylborohydride. α,β-Unsaturated carbonyl tosylhydrazones can be converted into the corresponding alkenes...
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Hydrocyanation (redirect from Hydrocyanation of unsaturated carbonyl compounds)
the use of a superior HCN acceptor, such as an aldehyde. α,β-unsaturated carbonyl compounds undergo hydrocyanation in the absence of metal catalysts....
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Ketone (section Unsaturated ketones)
called unsaturated ketones. A widely used member of this class of compounds is methyl vinyl ketone, CH3C(O)CH=CH2, a α,β-unsaturated carbonyl compound. Many...
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eliminated and an α,β-unsaturated carbonyl is formed. The aldol cleavage or Retro-aldol reaction is the reverse reaction into the starting compounds. The name...
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substituents. With α,β-unsaturated carbonyl compounds such as cyclohexenone it can be deduced from resonance structures that the β position is an electrophilic...
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replaced by a pi bond. The final structure is a reactive α,β-unsaturated carbonyl compound, which can also be used in a variety of other reactions: RC(O)CH2CH(OH)R'...
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Doebner–Miller reaction is the organic reaction of an aniline with α,β-unsaturated carbonyl compounds to form quinolines. This reaction is also known as the Skraup-Doebner-Von...
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consists of a benzene ring attached to an unsaturated aldehyde. Cinnamaldehyde is an α,β-unsaturated carbonyl compound. Its color is due to the π → π* transition:...
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aldehydes to form β-hydroxycarbonyl compounds (aldols). Acid or base-catalyzed dehydration then leads to α,β-unsaturated carbonyl compounds. The combination...
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Quinoline (redirect from Quinolinium compound)
quinoline-4-carboxylic acids Doebner-Miller reaction using anilines and α,β-unsaturated carbonyl compounds. Gould-Jacobs reaction starting from an aniline and ethyl...
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Organoboron chemistry (redirect from Organoboron compound)
center either inter- or intramolecularly. In particular, α,β-unsaturated borates and borates with an α leaving group are highly susceptible to intramolecular...
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transformation can be accomplished in α,β-unsaturated carbonyl compounds via the conjugate addition of a nucleophile to the β-position followed by trapping of...
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the addition of an enamine to a Michael acceptor (e.g., an α,β -unsaturated carbonyl compound) or another electrophilic alkylation reagent to give an alkylated...
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deprotonation is followed by tautomerization to give the α,β-unsaturated carbonyl compound. Edens et al. have investigated the reaction mechanism. They...
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reducing agents. Reduction of α,β-unsaturated carboxylic acids and derivatives to the corresponding saturated carbonyl compounds by SmI2 is a useful transformation...
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Imine (section Carbonyl-amine condensation)
reaction to a tetrahydropyridine. tosylimines react with α,β-unsaturated carbonyl compound to give allylic amines in the Aza-Baylis–Hillman reaction...
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an amide, respectively. α,α'-Dihaloketones eliminate HX under the reaction conditions to give α,β-unsaturated carbonyl compounds. Note that trihalomethyl...
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mathematical transformation in electrical engineering α,β-Unsaturated carbonyl compound, a class of organic compounds Alpha beta filter, a predictive filter Alpha...
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Michael addition to β-alanine derivatives in high yields: The nucleophilic addition at ethyl acrylate as an α,β-unsaturated carbonyl compound is a frequent...
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involves the condensation reaction of aldehydes, ketones, α,β-Unsaturated carbonyl compounds, or any combination of the above, with ammonia. It was reported...
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called α-selenation) is a method for the chemical synthesis of alkenes from selenoxides. It is most commonly used to synthesize α,β-unsaturated carbonyl compounds...
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reaction in organic synthesis between α-pyridinium methyl ketone salts and α, β-unsaturated carbonyl compounds used to generate highly functionalized...
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nucleophilic displacement A Robinson annulation involves an α,β-unsaturated ketone and a carbonyl group, which first engage in a Michael reaction prior to...
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the reaction of an electron deficient alkene, usually an α,β-unsaturated carbonyl compound, with an imine in the presence of a nucleophile. The reaction...
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Cyclopropanation (section Using diazo compounds)
Nikolai Kischner and can also be performed using hydrazine and α,β-unsaturated carbonyl compounds. The mechanism of decomposition has been the subject of several...
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Dicarbonyl (redirect from 1,3-dicarbonyl compound)
molecule containing two carbonyl (C=O) groups. Although this term could refer to any organic compound containing two carbonyl groups, it is used more...
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Beta-lactam antibiotics (redirect from Β-lactam antibiotics)
the carbonyl carbon is 2, the α-carbon is 3, and the β-carbon 4.[medical citation needed] To date, two distinct methods of biosynthesizing the β-lactam...
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functionalities, and will react with activated alkenes including α,β-unsaturated carbonyl compounds to give 1,3-dipolar cycloaddition products. An alternative...
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