ChemInform Abstract: A Facile Synthesis of 2(H)-Oxo-3-substituted-1-benzopyrans.
β Scribed by K. Srinivas; K. L. Krishna; A. Sivaprasad; P. Shanthan Rao
- Publisher
- John Wiley and Sons
- Year
- 2010
- Weight
- 28 KB
- Volume
- 30
- Category
- Article
- ISSN
- 0931-7597
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Synthesis and Photobiological Activity of N-Substituted 2-Oxo-2H-1benzopyran-3-(thio)carboxamides. -Piperidine-catalyzed condensation of benzaldehydes (I) with the malonic derivatives (II) gives a variety of polyfunctional coumarins ( III) (12 examples). They react readily with methyl iodide to the
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