
Tetrahedron p. 151 - 164 (1993)
Update date:2022-08-03
Topics:
Black, David St. C.
Keller, Paul A.
Kumar, Naresh
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.
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