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Cyclopropyl–Allyl Rearrangement of gem-Dibromoycyclopropanes under the Action of Aluminum Carbenoids
AbstractIt was found for the first time that 2,3-dialkyl-substituted gem -dibromocyclopropanes react with a solution of the aluminum carbenoid Me 2 AlCH
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Unexpected ANRORC rearrangement in pyran ring
During a synthesis of pyranylidene-substituted malonaldehyde, the main reaction product was a ketoaldehyde that was generated by further ANRORC...
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Structural basis of the Meinwald rearrangement catalysed by styrene oxide isomerase
Membrane-bound styrene oxide isomerase (SOI) catalyses the Meinwald rearrangement—a Lewis-acid-catalysed isomerization of an epoxide to a carbonyl...
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Zinc chloride-catalyzed cyclizative 1,2-rearrangement enables facile access to morpholinones bearing aza-quaternary carbons
Morpholines and morpholinones are important building blocks in organic synthesis and pharmacophores in medicinal chemistry, however, C3-disubstituted...
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An unprecedented synthesis of axially chiral biaryls by rearrangement and aromatization of carbocations with central-to-axial conversion of chirality
The central-to-axial chirality conversion represents a fascinating class of chemical processes consisting of the destruction of stereogenic centers...
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Extension of Highly Efficient Alcohol-promoted Rearrangement into One-pot Domino Palladium-catalyzed Carbonylation for Sterically Crowded Aromatic Six-membered Imides
A romatic six-membered imides suffer the introduction of bulky substituents at the imide positions due to the formation of isoimides and low...
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Study of the Reversible Hawthorne Rearrangement between Isomeric Forms of the Octadecahydroeicosaborate Anion Using Dynamic 11B NMR Spectroscopy
AbstractThe process of rearrangement of the octadecahydroeicosaborate anion [ trans -B 20 H 18 ] 2– → [ iso -B 20 H 18 ] 2– in organic solvents (acetonitrile,...
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A boryl-migratory semipinacol rearrangement
The semipinacol rearrangement is one of the classic yet useful synthetic tools in organic synthesis. However, semipinacol rearrangements involving...
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Claisen Rearrangement
The Claisen, para-Claisen rearrangements, Belluš–Claisen rearrangement; Corey–Claisen, Eschenmoser–Claisen rearrangement, Ireland–Claisen,...
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Palladium-catalyzed allylic alkylation enabled by ketone umpolung via Pudovik addition/[1,2]-phospha-Brook rearrangement
Palladium-catalyzed allylic alkylation enabled by ketone umpolung via Pudovik addition/[1,2]-phospha-Brook rearrangement with phosphites has been...
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Demjanov Rearrangement
Carbocation rearrangement of primary amines via diazotization to give alcohols through C-C bond migration. The Demjanov rearrangement has been...
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Fries Rearrangement
Lewis acid-catalyzed rearrangement of phenol esters and lactams to 2- or 4-ketophenols. Also known as the Fries−Finck rearrangement.
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Brook Rearrangement
Rearrangement of α-silyl oxyanions to α-silyloxy carbanions via a reversible process involving a pentacoordinate silicon intermediate is known as the...
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Continuous flow process development for the synthesis of an industrial raw material via solvent-free aromatic Claisen rearrangement
A high-temperature continuous flow protocol is reported for the intensified synthesis of an important industrial raw material via aromatic Claisen...
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Lossen Rearrangement
The Lossen rearrangement involves the generation of an isocyanate via thermal or base-mediated rearrangement of an activated hydroxamate which can be...
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Smiles Rearrangement
Intramolecular nucleophilic aromatic rearrangement. General scheme:
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Chapman Rearrangement
Thermal aryl rearrangement of O-aryliminoethers to amides.
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Pinacol Rearrangement
Acid-catalyzed rearrangement of vicinal diols (pinacols) to carbonyl compounds.
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Recent Advances in the Application of P(III)-Nucleophiles to Create New P−C Bonds through Michaelis–Arbuzov-Type Rearrangement
Organophosphorus compounds have long been considered valuable in both organic synthesis and life science. P(III)-nucleophiles, such as phosphites,...
