A series of 3-acylidene-4-methylazetidin-2-one derivatives bearing various substituents at the 1-position of the azetidin-2-one ring was synthesized. These compounds were evaluated for platelet aggregation inhibitory activities. Most of the compounds synthesized showed potent inhibitory activities against rabbit platelet aggregation induced by adenosine diphosphate or collagen in vitro. Structure-activity relationships are also discussed.

Most 3-(2-oxopropylidene)azetidin-2-one derivatives show potent inhibitory activities against rabbit platelet aggregation induced by adenosine diphosphate or collagen in vitro.

Paper

Synthesis and platelet aggregation inhibitory activities of 3-(2-oxopropylidene)azetidin-2-one derivatives. II.

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