Derivatives of naphtho[2,3-c]pyran-5,10-dione ; a simple synthesis and a note of their chromogenic properties.
β Scribed by Michael F. Aldersley; Francis M. Dean; Ahad S. Hamzah
- Publisher
- Elsevier Science
- Year
- 1986
- Tongue
- French
- Weight
- 221 KB
- Volume
- 27
- Category
- Article
- ISSN
- 0040-4039
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1H-Naphtho[2,3-c]pyran-5,10-dione derivatives, including a natural product (pentalongin), were generally synthesized in one-pot using a tandem conjugate addition-cyclization sequence between 2-(1-hydroxyalkyl)-1,4naphthoquinones and enamines (or imines). The utility of this method was demonstrated i