The Synthesis of Pyranoxanthenones containing a Dimethylchromen System
Abstract
3-Methylcrotonaldehyde, on condensation with 1,3,5- and 1,3,7-trihydroxyxanthones, gives an angular and a linear pyranoxanthenone derivative in each case.
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J. Chem. Soc. C, 1970, 1662-1664
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The Synthesis of Pyranoxanthenones containing a Dimethylchromen System
J. R. Lewis and J. B. Reary, J. Chem. Soc. C, 1970, 1662 DOI: 10.1039/J39700001662
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