Processes for the manufacture of pyrimido[6,1-a]isoquinolinones

Details Processes for the manufacture of pyrimido[6,1-a]isoquinolinones Processes for the manufacture of pyrimido[6,1-a]isoquinolinones

1981-10-26

1983-08-23

Daus, Donald G.

Organic compounds -- part of the class 532-570 series

Organic compounds

Four or more ring nitrogens in the bicyclo ring system

544244, 544252, 424251, C07D47104, A61K 31505

Patent

active

044005067

ABSTRACT:
What are disclosed are compounds of the formula ##STR1## 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.

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