ChemInform Abstract: SYNTHESIS OF 2-(HYDROXYMETHYLENE)- AND 2-((DIMETHYLAMINO)METHYLENE)-3-OXOQUINUCLIDINES AND THEIR REACTIONS WITH NUCLEOPHILIC REAGENTS
Abstract:Das Oxochinuclidin (I) liefert mit Ameisensäureethylester/Natrium ein Hydroxymethylen‐oxochinuclidin (II), das sich mit Hydrazinhydrat zum Pyrazolochinuclidin (III) und mit Anilin zum Phenylaminomethylenderivat (IV) umsetzen läßt. Das aus (I) mit Dimethylformamiddiethylacetal entstehende Dimethylaminomethylen‐oxochinuclidin (V) cyclisiert mit Hydrazinhydrat zum 4a‐Hydroxy‐dihydropyrazolo‐chinuclidin (VI).
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