Cyclic amide derivatives which inhibit cathepsin K

Alcohol derivatives represented by the general formula (IV); wherein: R 1 represents a substituted C 1 -C 12 alkyl group; a substituted C 2 -C 6 alkenyl group; a substituted amino group; a substituted C 1 -C 6 alkoxy group; a substituted C 1 -C 6 alkylthio group; a substituted carbamoyl group; a substituted sulfonamide group; or a substituted amide group; the ring A represents a saturated cyclic alkyl group with 5 to 7 carbon atoms; R 2 represents a hydrogen atom, a substituted or unsubstituted alkyl group, a substituted or unsubstituted aromatic hydrocarbon group or a substituted or unsubstituted heterocyclic group; R 3 represents a hydrogen atom, a group represented by the general formula R 4 O- ; or a group represented by the general formula R 5 (R 6 )N-wherein R 4 represents a hydrogen atom, a substituted or unsubstituted alkyl group, a substituted or unsubstituted aromatic hydrocarbon group or a substituted or unsubstituted heterocyclic group; R 5 and R 6 may be the same or different and each represents a hydrogen atom, a substituted or unsubstituted alkyl group, a substituted or unsubstituted aromatic hydrocarbon group or a substituted or unsubstituted heterocyclic group, The cyclic carboxylic acid derivatives of formula (IV) are useful for the synthesis of cyclic amide derivatives useful as cathepsin K inhibitors.