## Abstract An improved synthesis of 2‐quinuclidine carboxylic acid is described.
Untersuchungen in der Chinuclidin-Reihe. 3. Mitteilung. 3-Chinuclidin-carbonsäure
✍ Scribed by C. A. Grob; E. Renk
- Publisher
- John Wiley and Sons
- Year
- 1954
- Tongue
- German
- Weight
- 658 KB
- Volume
- 37
- Category
- Article
- ISSN
- 0018-019X
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✦ Synopsis
Die beiden vorangegangenen Mitteilungen dieser Reihe befassten sich mit der Herstellung und den Eigenschaften der 4-Chinuelidin-carbonsiiure2). Im Busammenhang mit laufenden Untersuchungen wurde auch ein Verfahren zur Herstellung der 3-Chinuclidin-carbonsiiure (Is) entwickelt. Ausser der Synthese dieser neuen Saure beschreiben wir hier deren Uberfuhrung in das bekannte 3-Methylchinuclidin (I d) .
📜 SIMILAR VOLUMES
## Abstract Consecutive C‐ and N‐alkylation of 1‐methyl‐4‐cyano‐piperidine (I) with 1,2‐dichloro‐ethane affords 1‐methyl‐4‐cyano‐quinuclidinium chloride (III). Upon heating this salt is converted into 4‐cyanoquinuclidine (IV), from which 4‐quinuclidine‐carboxylic acid is obtained after hydrolysis.
## Abstract The synthesis of 4‐bromo and 4‐hydroxy‐quinuclidines Ia and Ib, respectively, from 4‐piperidones by a modified REFORMATZKI reaction is described.
## Abstract Several 3‐substituted dehydroquinuclidines and corresponding quinuclidines have been prepared.
## Abstract 1‐Methyl‐4‐cyano‐piperidine (XIII), an intermediate in the synthesis of 4‐substituted quinuclidines, has been prepared and its alkylation at the 4‐position studied.