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- Cascade_reaction abstract "A cascade reaction or tandem reaction or domino reaction is a consecutive series of intramolecular organic reactions which often proceed via highly reactive intermediates. It allows the organic synthesis of complex multinuclear molecules from a single acyclic precursor. The substrate contains many functional groups that take part in chemical transformations one at a time. Often a functional group is generated in situ from the previous chemical transformation. The definition includes the prerequisite intramolecular in order to distinguish this reaction type from a multi-component reaction. In this sense it differs from the definition of a biochemical cascade. The main advantages of a cascade reaction in organic synthesis are that the reaction is often fast due to its intramolecular nature, the reaction is also clean, displays high atom economy, does not involve workup and isolation of many intermediates, and adds much complexity in effectively one step.A cascade reaction is sometimes called a living reaction because it shares some characteristics with a living polymerization. In cascade reactions one can identify an initiation site, a relay moiety and a termination moiety. Examples of cascade reactions are numerous (e.g. the Aldol-Tishchenko reaction) and especially so in alkyne chemistry (the Banert cascade to name just one) or polyolefin polycycloisomerizations. Other alkyne coupling reactions are classified based on common features such as type of compound synthesised, for instance the spiro mode cascade:or the linear-fused mode cascade, through application of the intramolecular Heck reaction:or the zipper mode cascade.Other cascade reactions are included in Diels-Alder reactions, oxirane ring-opening reactions, and Pauson–Khand reactions.An example of an oxirane cascade reaction is given by the synthesis of certain polyether ladder polymers:This type of ladder compounds are found in marine lifeforms such as red tide. The tri-epoxide is prepared from a triene through asymmetric Shi epoxidation and oxone as primary oxidizing agent. The hydroxyl group in the tri-epoxide is activated as a nucleophile by the presence of the base caesium carbonate The bulky trimethylsilyl groups make such that the polyether is formed with the correct stereochemistry and they are removed in situ by caesium fluoride.".
- Cascade_reaction thumbnail Spiro_mode_cascade.svg?width=300.
- Cascade_reaction wikiPageExternalLink mv_knots.htm.
- Cascade_reaction wikiPageID "2128300".
- Cascade_reaction wikiPageLength "5735".
- Cascade_reaction wikiPageOutDegree "45".
- Cascade_reaction wikiPageRevisionID "658708879".
- Cascade_reaction wikiPageWikiLink Aldol-Tishchenko_reaction.
- Cascade_reaction wikiPageWikiLink Aldol–Tishchenko_reaction.
- Cascade_reaction wikiPageWikiLink Alkyne.
- Cascade_reaction wikiPageWikiLink Asymmetric_synthesis.
- Cascade_reaction wikiPageWikiLink Atom_economy.
- Cascade_reaction wikiPageWikiLink Banert_cascade.
- Cascade_reaction wikiPageWikiLink Bicyclic_molecule.
- Cascade_reaction wikiPageWikiLink Biochemical_cascade.
- Cascade_reaction wikiPageWikiLink Caesium_carbonate.
- Cascade_reaction wikiPageWikiLink Caesium_fluoride.
- Cascade_reaction wikiPageWikiLink Category:Chemical_synthesis.
- Cascade_reaction wikiPageWikiLink Category:Organic_chemistry.
- Cascade_reaction wikiPageWikiLink Coupling_reaction.
- Cascade_reaction wikiPageWikiLink Diels-Alder.
- Cascade_reaction wikiPageWikiLink Diels–Alder_reaction.
- Cascade_reaction wikiPageWikiLink Enantioselective_synthesis.
- Cascade_reaction wikiPageWikiLink Epoxide.
- Cascade_reaction wikiPageWikiLink Ether.
- Cascade_reaction wikiPageWikiLink Ethylene_oxide.
- Cascade_reaction wikiPageWikiLink Functional_group.
- Cascade_reaction wikiPageWikiLink Fused_compound.
- Cascade_reaction wikiPageWikiLink Heck_reaction.
- Cascade_reaction wikiPageWikiLink In_situ.
- Cascade_reaction wikiPageWikiLink Intramolecular.
- Cascade_reaction wikiPageWikiLink Intramolecular_reaction.
- Cascade_reaction wikiPageWikiLink Ladder_polymer.
- Cascade_reaction wikiPageWikiLink Living_polymerization.
- Cascade_reaction wikiPageWikiLink Multi-component_reaction.
- Cascade_reaction wikiPageWikiLink Nucleophile.
- Cascade_reaction wikiPageWikiLink Open-chain_compound.
- Cascade_reaction wikiPageWikiLink Open_chain_compound.
- Cascade_reaction wikiPageWikiLink Organic_reaction.
- Cascade_reaction wikiPageWikiLink Organic_synthesis.
- Cascade_reaction wikiPageWikiLink Oxidizing_agent.
- Cascade_reaction wikiPageWikiLink Oxirane.
- Cascade_reaction wikiPageWikiLink Oxone.
- Cascade_reaction wikiPageWikiLink Pauson–Khand_reaction.
- Cascade_reaction wikiPageWikiLink Polyether.
- Cascade_reaction wikiPageWikiLink Polyolefin.
- Cascade_reaction wikiPageWikiLink Potassium_peroxymonosulfate.
- Cascade_reaction wikiPageWikiLink Reactive_intermediate.
- Cascade_reaction wikiPageWikiLink Red_tide.
- Cascade_reaction wikiPageWikiLink Shi_epoxidation.
- Cascade_reaction wikiPageWikiLink Spiro_compound.
- Cascade_reaction wikiPageWikiLink Stereochemistry.
- Cascade_reaction wikiPageWikiLink The_Periodic_Table_of_Videos.
- Cascade_reaction wikiPageWikiLink Trimethylsilyl.
- Cascade_reaction wikiPageWikiLink File:LadderPolyetherSynthesis.png.
- Cascade_reaction wikiPageWikiLink File:Linear_fased_mode_cascade.svg.
- Cascade_reaction wikiPageWikiLink File:Spiro_mode_II.svg.
- Cascade_reaction wikiPageWikiLink File:Spiro_mode_cascade.svg.
- Cascade_reaction wikiPageWikiLink File:Zipper_mode.svg.
- Cascade_reaction wikiPageWikiLinkText "Cascade reaction".
- Cascade_reaction wikiPageWikiLinkText "cascade reaction".
- Cascade_reaction wikiPageWikiLinkText "cascades".
- Cascade_reaction hasPhotoCollection Cascade_reaction.
- Cascade_reaction wikiPageUsesTemplate Template:About.
- Cascade_reaction wikiPageUsesTemplate Template:Reflist.
- Cascade_reaction wikiPageUsesTemplate Template:Wikiquote.
- Cascade_reaction subject Category:Chemical_synthesis.
- Cascade_reaction subject Category:Organic_chemistry.
- Cascade_reaction hypernym Series.
- Cascade_reaction type TelevisionShow.
- Cascade_reaction comment "A cascade reaction or tandem reaction or domino reaction is a consecutive series of intramolecular organic reactions which often proceed via highly reactive intermediates. It allows the organic synthesis of complex multinuclear molecules from a single acyclic precursor. The substrate contains many functional groups that take part in chemical transformations one at a time. Often a functional group is generated in situ from the previous chemical transformation.".
- Cascade_reaction label "Cascade reaction".
- Cascade_reaction sameAs Tandem-Reaktion.
- Cascade_reaction sameAs Αντίδραση_Νεγκίσι.
- Cascade_reaction sameAs Reacción_en_cascada.
- Cascade_reaction sameAs m.06p1yz.
- Cascade_reaction sameAs Q838390.
- Cascade_reaction sameAs Q838390.
- Cascade_reaction sameAs 串联反应.
- Cascade_reaction wasDerivedFrom Cascade_reaction?oldid=658708879.
- Cascade_reaction depiction Spiro_mode_cascade.svg.
- Cascade_reaction isPrimaryTopicOf Cascade_reaction.