Abstract:Abstract Betaine, Arsonium Ylides A systematic study on the nature of decomposition of betaine formed by nucleophilic attack of semistabilized arsonium ylides on thiocarbonyl substrates has been carried out. A series of substituted benzylidenetriphenylarsenanes have been generated from their corresponding salts and condensed with few cyclic thioketones to yield exocyclic olefins as exclusive products. The non-availability of thioepoxides indicates that the mode of decomposition… Show more
Die Benzylbromide (II) führen bei Behandlung mit Triphenylarsin (I) zu Arsoniumbromiden, die auf zwei Wegen ‐ Behandlung mit NaH in Benzol oder Behandlung mit NaOMe in Methanol ‐ die entsprechenden Arsoniumylide (III) liefern.
Die Benzylbromide (II) führen bei Behandlung mit Triphenylarsin (I) zu Arsoniumbromiden, die auf zwei Wegen ‐ Behandlung mit NaH in Benzol oder Behandlung mit NaOMe in Methanol ‐ die entsprechenden Arsoniumylide (III) liefern.
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