Base-Catalyzed Syntheses of the Novel Tetrahydropyridine-2-thione, Piperidine-2-thione and 6-Aza-2-oxa-3-oxo-5thioxobicyclo[2.2.2]octane Ring Systems. -Attempts to synthesize the heterocycle (V) under acidic or basic conditions fail. Under basic conditions the bicyclic compound (III) is obtained, w
ChemInform Abstract: The First Syntheses of the 1-Oxo-2-oxa-5-azaspiro[3.4]octane Ring System Found in Oxazolomycin.
β Scribed by Julien P. N. Papillon; Richard J. K. Taylor
- Publisher
- John Wiley and Sons
- Year
- 2000
- Weight
- 28 KB
- Volume
- 31
- Category
- Article
- ISSN
- 0931-7597
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Ethylcrotonates in the Synthesis of 4,4-Disubstituted 3,5-Dicyano-6oxo-1,4,5,6-tetrahydropyridine-2-thiolates. -Michael addition of ethyl crotonate (I) to cyanothioacetamide (II) in the presence of N-methylmorpholine and subsequent in situ cyclization affords the title tetrahydropyridinethiolates as