Derivatives of aspartic acid and glutamic acid having anticholecystokinin activity

A compound of the formula ##STR8## wherein the aromatic moiety may be substituted or unsubstituted, or ##STR9## R.sup.1 is H, C.sub.1 to C.sub.6 alkyl, C.sub.1 to C.sub.6 alkenyl, cycloalkyl, --(CH.sub.2).sub.q aryl or --(CH.sub.2).sub.q (substituted aryl), wherein q is 0 to 4,

• R.sup.2 is H, methyl or ethyl,
• T is carboxyl, --CONR.sup.5 R.sup.6, wherein R.sup.5 and R.sup.6 are independently H or C.sub.1 to C.sub.4 alkyl, or tetrazolyl,
• n is 0 to 3, and
• Q is ##STR10## wherein X is C.sub.1 to C.sub.4 alkyl, C.sub.1 to C.sub.4 alkoxy, C.sub.1 to C.sub.4 thioalkoxy, carboxy, C.sub.1 to C.sub.4 carboalkoxy, nitro, trihalomethyl, hydroxy, --NR.sup.7 R.sup.8, (wherein R.sup.7 and R.sup.8 are independently H or C.sub.1 to C.sub.4 alkyl, C.sub.1 to C.sub.4 alkylaryl, C.sub.1 to C.sub.4 alkyl (substituted aryl, sulfamoyl or halo,
• m is 1 to 3,
• p is 0 to 3;
• and
• R.sup.3 is H, C.sub.1 to C.sub.5 alkyl or --(CH.sub.2).sub.r R.sup.4 wherein r is 0 to 4 and R.sup.4 is aryl or substituted aryl;
• and pharmaceutically acceptable salts thereof.