SYNTHESIS AND SOME PROPERTIES OF 4-OXO-3,4-DIHYDRO- AND 2,4-DIOXO-1,2,3,4-TETRAHYDROPYRIMIDOINDOLES

Article abstract of DOI:10.1007/BF00506067

The condensation of N-(2-ethoxycarbonylindol-3-yl)-N',N'-dialkylamidines with ammonia, primary amines, and hydrazines has given a series of 4-oxopyrimido<5,4-b>indoles which have been converted into the 4-chloro and then into the 4-methoxy, 4-dialkylamino