- Synthesis of Pyrrolophenanthridones By Aryl-Aryl Coupling Reactions
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The N-aroyl-4,6-dimethoxyindoles (15-21), prepared from 4,6-dimethoxyindole (14), were converted by palladium acetate in acetic acid into the pyrrolophenanthridones (22-28) in moderate yields (30-65percent).These products are related to some pyrrolophenanthridone alkaloids, which lack the methoxy groups.Similar aryl-aryl coupling reactions of N-benzylindoles could not be effected.Keywords: Indoles, pyrrolophenanthridones, alkaloids, palladium acetate, aryl-aryl coupling.
- Black, David St. C.,Keller, Paul A.,Kumar, Naresh
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p. 151 - 164
(2007/10/02)
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