- allylic rearrangement
- noun
: the migration of an ion or radical from one end of a 3-carbon allyl sequence to the other with concurrent shifting of the position of the double bond (as CH2=CHCHRX → XCH2CH=CHR)
Useful english dictionary. 2012.
allylic rearrangement
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Allylic rearrangement — An allylic rearrangement or allylic shift is an organic reaction in which the double bond in an allyl chemical compound shifts to the next carbon atom. It is encountered in nucleophilic substitution.In reaction conditions that favor a SN1… … Wikipedia
allylic rearrangement — alilinis persigrupavimas statusas T sritis chemija apibrėžtis Dvigubojo ryšio vietos pakeitimas alilo grupės fragmente. atitikmenys: angl. allylic rearrangement rus. аллильная перегруппировка … Chemijos terminų aiškinamasis žodynas
Rearrangement reaction — A rearrangement reaction is a broad class of organic reactions where the carbon skeleton of a molecule is rearranged to give a structural isomer of the original molecule.[1] Often a substituent moves from one atom to another atom in the same… … Wikipedia
Claisen rearrangement — The Claisen rearrangement (not to be confused with the Claisen condensation) is a powerful carbon carbon bond forming chemical reaction discovered by Rainer Ludwig Claisen. The heating of an allyl vinyl ether will initiate a [3,3] sigmatropic… … Wikipedia
Overman 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.[1][2][3] The Overman rearrangement was discovered in 1974… … Wikipedia
Carroll rearrangement — The Carroll rearrangement is a rearrangement reaction in organic chemistry and involves the transformation of a β keto allyl ester into a α allyl β ketocarboxylic acid. [Carrol, M. F. 131. Addition of α,β unsaturated alcohols to the active… … Wikipedia
Trost asymmetric allylic alkylation — The Trost asymmetric allylic alkylation or Trost AAA or allylic asymmetric substitution is an organic reaction used in asymmetric synthesis. [Trost, B. M.; Fullerton, T. J. New synthetic reactions. Allylic alkylation. J. Am. Chem. Soc. 1973, 95 … Wikipedia
Ireland-Claisen rearrangement — The Ireland Claisen rearrangement is a chemical reaction of an allylic ester with strong base to give an γ,δ unsaturated carboxylic acid. [Ireland, R. E.; Mueller, R. H.; J. Am. Chem. Soc. 1972, 94 , 5897 5898. (DOI|10.1021/ja00771a062)] [Ireland … Wikipedia
Ferrier rearrangement — The Ferrier rearrangement is an organic reaction that involves a nucleophilic substitution reaction combined with an allylic shift in a 2,3 Unsaturated glycoside (see glycals).In this example of a Ferrier rearrangement tri O acetyl D glucal (OAc… … Wikipedia
Allyl — An allyl group is an alkene hydrocarbon group with the formula H2C=CH CH2 . It is made up of a vinyl group, CH2=CH , attached to a methylene CH2. For example allyl alcohol has the structure H2C=CH CH2OH . Compounds containing the allyl group are… … Wikipedia
