glycine derivatives useful as new drugs antagonists of thromboxane a2 and process for their preparation

The invention relates to derivatives of formula glycine: (CF DRAWING IN BOPI) (wherein R 1 ** represents a phenyl group substituted or not substituted, R2 represents a carboxyl group which may be protected , Q represents lower alkylene group and m represents 0 or 1) and their pharmacologically acceptable salts which are useful as antagonists of thromboxane A2 drugs and a method for their preparation.