Dihydropyrimidine lactone derivatives

Details Dihydropyrimidine lactone derivatives Dihydropyrimidine lactone derivatives

1990-08-21

1992-04-07

Bond, Robert T.

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

Organic compounds

Nitrogen attached directly or indirectly to the purine ring...

544584, 544586, 544111, 544296, 540600, C07D491048

Patent

active

051030063

ABSTRACT:
Novel compounds of the formula ##STR1## wherein X is sulfur or oxygen, R.sub.2 is aryl or heterocyclo and R.sub.1 is as defined herein, are disclosed. Compounds of formula I possess calcium channel activating activity.

REFERENCES:
patent: 4684656 (1987-08-01), Atwal
patent: 4728652 (1988-03-01), Atwal
patent: 4855301 (1989-08-01), Atwal et al.
patent: 4859676 (1989-08-01), Atwal

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