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- Asinger_reaction abstract "The Asinger-reaction was invented in 1956 by Friedrich Asinger. The Asinger-reaction is a multicomponent reaction and is sometimes referred to as A-4CR (short for Asinger-4 component reaction): An α-halogenated carbonyl-component reacts with sodium hydrosulfide (NaSH) and forms a Thiol in situ. The thiol reacts directly with another carbonyl component and ammonia to form a thiazoline. The reaction works also by using elemental sulphur, an α–substituted ketone, another carbonyl component and ammonia; in this case, a mixture of products is formed.The formation of 3-thiazolines also occurs by using α-thioaldehyde or α-thioketone and ammonia. A simplyfied route of the Asinger-reaction was developed by Degussa. An α-halogenated carbonyl compound reacts with sodium hydrosulfide (NaSH) and forms a Thiol in situ which reacts directly with aldehydes or ketones and ammonia to 3-thiazolines. The chemical industry developed based on the Asinger-reaction multi stage processes for the production of pharmaceuticals like D-Penicillamine and the aminoacid DL-cysteine.".
- Asinger_reaction thumbnail Asinger-Rkt.png?width=300.
- Asinger_reaction wikiPageID "16588752".
- Asinger_reaction wikiPageRevisionID "577949177".
- Asinger_reaction hasPhotoCollection Asinger_reaction.
- Asinger_reaction subject Category:Multiple_component_reactions.
- Asinger_reaction subject Category:Name_reactions.
- Asinger_reaction type ChemicalProcess113446390.
- Asinger_reaction type ChemicalReaction113447361.
- Asinger_reaction type MultipleComponentReactions.
- Asinger_reaction type NameReactions.
- Asinger_reaction type NaturalProcess113518963.
- Asinger_reaction type PhysicalEntity100001930.
- Asinger_reaction type Process100029677.
- Asinger_reaction comment "The Asinger-reaction was invented in 1956 by Friedrich Asinger. The Asinger-reaction is a multicomponent reaction and is sometimes referred to as A-4CR (short for Asinger-4 component reaction): An α-halogenated carbonyl-component reacts with sodium hydrosulfide (NaSH) and forms a Thiol in situ. The thiol reacts directly with another carbonyl component and ammonia to form a thiazoline.".
- Asinger_reaction label "Asinger reaction".
- Asinger_reaction label "Asinger-Reaktion".
- Asinger_reaction label "Asinger反应".
- Asinger_reaction label "Réaction d'Asinger".
- Asinger_reaction sameAs Asinger-Reaktion.
- Asinger_reaction sameAs Réaction_d'Asinger.
- Asinger_reaction sameAs m.03yd9qx.
- Asinger_reaction sameAs Q730554.
- Asinger_reaction sameAs Q730554.
- Asinger_reaction sameAs Asinger_reaction.
- Asinger_reaction wasDerivedFrom Asinger_reaction?oldid=577949177.
- Asinger_reaction depiction Asinger-Rkt.png.
- Asinger_reaction isPrimaryTopicOf Asinger_reaction.
