Thromboxane A2 Receptor antagonism and antioxidant action of cinnamophilin and its derivatives, their pharmaceutical compositions and uses

摘要

A pharmaceutical composition which possesses vasorelaxing effect of aortic contraction, relaxing effect of tracheal contraction, and antioxidative properties, is disclosed. It contains a pharmaceutical acceptable vehicle and an effective amount of any compound selected from those compounds represented by the following formula: <IMAGE> where R1 represents H, C1-8 alkyl, or -OCOR, R2 represents OH, or COO-, and R represents H, or C1-8 alkyl.