PROCEDIMIENTO PARA LA PREPARACION DE DERIVADOS DE PIRIMIDO-(6,1-A)-ISOQUINOLEIN-4-ONAS

摘要

What are disclosed are compounds of the formula wherein, X is oxygen, sulfur, or halogen, useful as intermediates in the preparation of certain pyrimido(6,1-a)isoquinolin-4-ones having pharmaceutical utilities, and methods for making said intermediates.