The invention relates to p-thienylbenzylamides of formula (I): ##STR1##

in which R(1), R(2), R(3), R(4), R(5), R(6) and X have the meanings given in the description. The compounds of formula (I) are potent agonists of angiotensin-(1-7) receptors and are useful as pharmaceutically active compounds to treat and/or prevent hypertension; cardiac hypertrophy; cardiac insufficiency; coronary heart diseases, such as angina pectoris; and endothelial dysfunction or endothelial damage as a consequence, for example, of atherosclerotic processes or in association with diabetes mellitus.