Compounds of the class of imidazo[1,2-a]-imidazoles, imidazo[1,2-a]pyrimidines and pyrimido-[1,2-a]pyrimidines useful as central nervous system (CNS) antidepressants; and certain novel precursors therefor.
Compounds of the class of imidazo[1,2-a]-imidazoles, imidazo[1,2-a]pyrimidines and pyrimido-[1,2-a]pyrimidines useful as central nervous system (CNS) antidepressants; and certain novel precursors therefor.