Abstract: Provided is a therapeutic agent for hyperparathyroidism, renal osteodystrophy, hypercalcemia and the like, which has a CaSR activating (agonist) action. A compound represented by the following general formula (1): [wherein, Ar which is a partial structure in the general formula (1) represents a phenyl group or a naphthyl group; R1a and R1b are the same or different from each other, and represent a hydrogen atom, a halogeno group, or the like; R2a and R2b are the same or different from each other, and represent a hydrogen atom, a halogeno group, or the like; A represents a single bond, an oxygen atom, or the like; B represents a single bond, a C1-C4 alkanediyl group, or the like; Z represents a carboxyl group or a tetrazolyl group; and m represents an integer of 1 to 3] or a pharmacologically acceptable salt thereof.

Abstract: Provided is a therapeutic agent for hyperparathyroidism, renal osteodystrophy, hypercalcemia and the like, which has a CaSR activating (agonist) action. A compound represented by the following general formula (1): [wherein, Ar which is a partial structure in the general formula (1) represents a phenyl group or a naphthyl group; R1a and R1b are the same or different from each other, and represent a hydrogen atom, a halogeno group, or the like; R2a and R2b are the same or different from each other, and represent a hydrogen atom, a halogeno group, or the like; A represents a single bond, an oxygen atom, or the like; B represents a single bond, a C1-C4 alkanediyl group, or the like; Z represents a carboxyl group or a tetrazolyl group; and m represents an integer of 1 to 3] or a pharmacologically acceptable salt thereof.

Abstract: Provided is a therapeutic agent for hyperparathyroidism, renal osteodystrophy, hypercalcemia and the like, which has a CaSR activating (agonist) action. A compound represented by the following general formula (1): [wherein, Ar which is a partial structure in the general formula (1) represents a phenyl group or a naphthyl group; R1a and R1b are the same or different from each other, and represent a hydrogen atom, a halogeno group, or the like; R2a and R2b are the same or different from each other, and represent a hydrogen atom, a halogeno group, or the like; A represents a single bond, an oxygen atom, or the like; B represents a single bond, a C1-C4 alkanediyl group, or the like; Z represents a carboxyl group or a tetrazolyl group; and m represents an integer of 1 to 3] or a pharmacologically acceptable salt thereof.

Abstract: The present invention relates to a biaryl derivative or a pharmacologically acceptable salt thereof having an excellent collagen-synthesis inhibition activity. A biaryl derivative having a structure represented by the following General Formula (I) or a pharmacologically acceptable salt thereof: wherein R1 represents a C6-C10 aryl group which is substituted with one to three group(s) each independently selected from the group consisting of a group defined by formula R-L-, a di-(C1-C6 alkyl)amino group, a di-(C1-C6 alkyl)aminosulfonyl group, a hydroxyaminocarbonyl group, and a halogen atom, and so on; R represents a C1-C6 alkyl group, and so on; L represents a sulfonyl group, an aminosulfonyl group, or a sulfonylamino group, and so on; R2 represents a hydrogen atom, and so on; A represents a group defined by formula (II), (III), or (IV); R3 represents a C1-C6 alkyl group, and so on; and R4 represents a C1-C6 alkyl group, and so on.

Abstract: A substituted cyclic amine compound represented by the following general formula (1) ##STR1## wherein each of R.sup.1 to R.sup.5 represents a hydrogen atom, a halogen atom, a lower alkyl group, a lower alkoxy group or the like, A represents a carbonyl group or a sulfonyl group, B represents a methine moiety or a nitrogen atom, D represents a methine moiety, a nitrogen atom or .dbd.N(.fwdarw.O)-- and n is an integer of 2 to 3; and synthetic methods thereof. The inventive compound is useful in preventing and treating circulatory organ-related diseases such as hypertension, ischemic heart disease, cerebrovascular disease, peripheral circulatory disease and the like.