Compounds of formula (I), and salts and prodrugs thereof ##STR1## wherein: R.sup.1 is H, certain optionally substituted C.sub.1.6 alkyl, or C.sub.3-7 cycloalkyl; R.sup.2 is (CH.sub.2).sub.q -tetrazolyl optionally substituted in the tetrazole ring by C.sub.1-4 alkyl, (CH.sub.2).sub.q -imidazolyl (where q is 0, 1, 2 or 3), CONHSO.sub.2 R.sup.9, SO.sub.2 NHCOR.sup.9 (where R.sup.9 is C.sub.1-6 alkyl, optionally substituted aryl or trifluoromethyl). SO.sub.2 NHR.sup.10 (where R.sup.10 is a nitrogen containing heterocycle), cyclopropyl or (CH.sub.2), CO.sub.2 H, where n is 1 or 2; R.sup.3 is C.sub.1-6 alkyl, halo or NR.sup.6 R.sup.7 ; R.sup.4 is C.sub.1-7 straight or branched chain alkyl; and x is 0, 1, 2 or 3; are CCK and/or gastrin receptor antagonists. They and compositions thereof are useful in therapy.
式(I)的化合物,以及其盐和前药##STR1##其中:R.sup.1是H,某些可选择地取代的C.sub.1.6烷基,或C.sub.3-7环烷基;R.sup.2是(CH.sub.2).sub.q-
四唑基,
四唑环可选择地被C.sub.1-4烷基取代,(CH.sub.2).sub.q-
咪唑基(其中q为0, 1, 2或3),CONHSO.sub.2 R.sup.9,SO.sub.2 NHCOR.sup.9(其中R.sup.9是C.sub.1-6烷基,可选择地取代的芳基或三
氟甲基)。SO.sub.2 NHR.sup.10(其中R.sup.10是含氮杂环),环丙基或(CH.sub.2),CO.sub.2 H,其中n为1或2;R.sup.3是C.sub.1-6烷基,卤素或NR.sup.6 R.sup.7;R.sup.4是C.sub.1-7直链或支链烷基;x为0, 1, 2或3;均为CCK和/或胃泌素受体拮抗剂。它们及其组合物在治疗中有用。