Imidazolylacetic acid amides of the formula: ##STR1## or pharmaceutically acceptable nontoxic salts thereof WHEREIN EITHERR.sup.1 is phenyl or cycloalkyl, unsubstituted or substituted by one or more substituents; andR.sup.2 is hydrogen;OrR.sup.1 or R.sup.2, together with the nitrogen atom to which they are attached, form a saturated 5 to 7-membered heterocyclic ring which ring may contain an --SO.sub.2 -- or --NY-- moiety wherein Y is alkoxycarbonyl, dialkylaminocarbonyl, or phenyl or diphenylmethyl, unsubstituted or substituted by one or more substituents and wherein said 5 to 7-membered heterocyclic ring itself is otherwise unsubstituted or substituted by one or more substituents; andX.sup.1, x.sup.2, and X.sup.3 and X.sup.4 are the same or different and are each hydrogen or halogen,Are produced byA. reacting a halodiphenylacetic acid amide of the formula: ##STR2## wherein R.sup.1, R.sup.2, X.sup.1, X.sup.2, X.sup.3 and X.sup.4 are as above defined, and Hal is halogen, with imidazole; orB. reacting a halodiphenylacetic acid halide of the formula: ##STR3## wherein X.sup.1, X.sup.2, X.sup.3 and X.sup.4 are as above defined andHal is halogen with imidazole to produce an imidazolide of the formula: ##STR4## wherein X.sup.1, X.sup.2, X.sup.3 and X.sup.4 are as above defined which in turn is transaminated by reaction with an amine of the formula:NHR.sup.1 R.sup.2 whereinR.sup.1 and R.sup.2 are as above defined.