• Thumbnail for Α,β-Unsaturated carbonyl compound
    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...
    10 KB (1,119 words) - 23:33, 23 March 2024
  • Thumbnail for Michael addition reaction
    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...
    27 KB (2,825 words) - 08:27, 20 March 2024
  • with Raney nickel or reaction with sodium triethylborohydride. α,β-Unsaturated carbonyl tosylhydrazones can be converted into the corresponding alkenes...
    40 KB (4,211 words) - 13:40, 13 February 2024
  • the use of a superior HCN acceptor, such as an aldehyde. α,β-unsaturated carbonyl compounds undergo hydrocyanation in the absence of metal catalysts....
    10 KB (1,082 words) - 12:04, 3 June 2024
  • 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...
    9 KB (957 words) - 09:12, 30 April 2024
  • Thumbnail for Nucleophilic conjugate addition
    substituents. With α,β-unsaturated carbonyl compounds such as cyclohexenone it can be deduced from resonance structures that the β position is an electrophilic...
    6 KB (625 words) - 20:20, 5 March 2024
  • Thumbnail for Aldol
    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'...
    5 KB (515 words) - 14:28, 4 August 2024
  • Thumbnail for Doebner–Miller reaction
    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...
    5 KB (555 words) - 14:15, 7 December 2021
  • Thumbnail for Stork enamine alkylation
    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...
    3 KB (404 words) - 10:57, 12 February 2024
  • deprotonation is followed by tautomerization to give the α,β-unsaturated carbonyl compound. Edens et al. have investigated the reaction mechanism. They...
    7 KB (841 words) - 20:33, 22 July 2024
  • Thumbnail for Quinoline
    quinoline-4-carboxylic acids Doebner-Miller reaction using anilines and α,β-unsaturated carbonyl compounds. Gould-Jacobs reaction starting from an aniline and ethyl...
    15 KB (1,365 words) - 00:56, 30 June 2024
  • Thumbnail for Organoboron chemistry
    center either inter- or intramolecularly. In particular, α,β-unsaturated borates and borates with an α leaving group are highly susceptible to intramolecular...
    26 KB (2,442 words) - 15:11, 1 August 2024
  • 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...
    11 KB (1,420 words) - 18:31, 30 July 2024
  • Thumbnail for Imine
    reaction to a tetrahydropyridine. tosylimines react with α,β-unsaturated carbonyl compound to give allylic amines in the Aza-Baylis–Hillman reaction...
    23 KB (2,633 words) - 07:34, 30 May 2024
  • Thumbnail for Aldehyde
    aldehydes to form β-hydroxycarbonyl compounds (aldols). Acid or base-catalyzed dehydration then leads to α,β-unsaturated carbonyl compounds. The combination...
    29 KB (3,003 words) - 01:22, 16 July 2024
  • Thumbnail for Reductions with samarium(II) iodide
    reducing agents. Reduction of α,β-unsaturated carboxylic acids and derivatives to the corresponding saturated carbonyl compounds by SmI2 is a useful transformation...
    17 KB (1,965 words) - 08:45, 20 June 2024
  • Thumbnail for Ethyl acrylate
    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...
    16 KB (1,448 words) - 15:33, 6 August 2024
  • Thumbnail for Favorskii rearrangement
    an amide, respectively. α,α'-Dihaloketones eliminate HX under the reaction conditions to give α,β-unsaturated carbonyl compounds. Note that trihalomethyl...
    9 KB (917 words) - 16:52, 12 June 2024
  • 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...
    15 KB (1,586 words) - 22:54, 1 August 2024
  • 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...
    5 KB (473 words) - 06:49, 10 July 2024
  • Thumbnail for Cyclopropanation
    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...
    14 KB (1,504 words) - 19:07, 5 July 2024
  • Thumbnail for Aldol condensation
    nucleophilic displacement A Robinson annulation involves an α,β-unsaturated ketone and a carbonyl group, which first engage in a Michael reaction prior to...
    17 KB (1,679 words) - 06:32, 22 March 2024
  • mathematical transformation in electrical engineering α,β-Unsaturated carbonyl compound, a class of organic compounds Alpha beta filter, a predictive filter Alpha...
    985 bytes (155 words) - 13:26, 21 June 2024
  • Thumbnail for Dicarbonyl
    molecule containing two carbonyl (C=O) groups. Although this term could refer to any organic compound containing two carbonyl groups, it is used more...
    12 KB (1,359 words) - 16:11, 15 March 2024
  • catalyst: In this particular reaction the substrate is an α,β-unsaturated carbonyl compound. The proton donor is oxidized to the pyridine form and resembles...
    13 KB (1,292 words) - 14:45, 29 February 2024
  • Thumbnail for Ketone
    organic compound with the structure R−C(=O)−R', where R and R' can be a variety of carbon-containing substituents. Ketones contain a carbonyl group −C(=O)−...
    25 KB (2,948 words) - 09:21, 3 August 2024
  • Thumbnail for Beta-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...
    34 KB (3,702 words) - 00:59, 10 July 2024
  • involves the condensation reaction of aldehydes, ketones, α,β-Unsaturated carbonyl compounds, or any combination of the above, with ammonia. It was reported...
    5 KB (465 words) - 18:54, 4 August 2024
  • to dehydrogenation. This can be a useful way to generate α,β-unsaturated carbonyl compounds in the absence of functional handles. For instance, dehydrogenation...
    10 KB (1,207 words) - 14:57, 28 August 2023
  • Thumbnail for Fatty acid
    starting with the first carbon after the carboxyl group. Thus carbon α (alpha) is C-2, carbon β (beta) is C-3, and so forth. Although fatty acids can be of diverse...
    54 KB (4,978 words) - 14:13, 19 July 2024