| abstract |
A novel compound represented by the following formula (1) or a salt thereof: n n nwherein symbol “A” represents a saturated heterocyclic group, a 5-membered heteroaromatic group having two heteroatoms in the ring, a group represented by the formula A1 (R 2 , R 3 , and R 4 represent hydrogen atom, hydroxyl group, etc.), etc., B represents a group represented by the formula B1 (R 11 represents hydrogen atom, hydroxyl group, etc.), etc., R 1 represents an alkyl group, and symbol “n” represents an integer of 2 to 6, which has a parathyroid hormone depressing action and showing low toxicity, and a medicament containing the compound or salt thereof as an active ingredient. |