The addition of amines to 3-bromochromone and 6-bromofurochromone. An unexpected ring contraction of the pyrone ring.
β Scribed by R.B. Gammill; S.A. Nash; S.A. Mizsak
- Publisher
- Elsevier Science
- Year
- 1983
- Tongue
- French
- Weight
- 193 KB
- Volume
- 24
- Category
- Article
- ISSN
- 0040-4039
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π SIMILAR VOLUMES
Addition of nitronate anions to 3-bromochromone 1 and 6bromofurcchoromone 2 results in the efficient generation of 3-hydroxy-2-(l-(hydroxyimino)alkyl,aryl or carboalkoxy) substituted chromones and the corresponding 6,7-disubstitutod furochromones. These compounds are efficiently converted to furo(3'
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