Synthesis of Indoles and Isoquinolones from Phenylmalonate Heterocycles

Article abstract of DOI:10.1007/BF00810008

A new synthesis of the indole system has been achieved by cyclodehydrogenation of amino phenylmalonate heterocycles.Thus, the 4-amino coumarins 1a,b or the 4-amino-2-quinolones 1c-g are converted to the indoles 2 with palladium on charcoal in boiling diph