. . . " n is an integer 2-4 and (b) reducing the N-alkylated product with lithium aluminum hydride in THF or hydrogenating the N-alkylated compound over palladium on charcoal to provide an intermediate amine product depicted structurally as compound 19, 20, 21 and 22 in FIG. 4, and(c) condensing the intermediate amine product with either 2-methoxy-5-bromonaphtholy chloride or 5-bromo-2,3-dimethoxybenzoic" .