The invention relates to compounds of general formula (I) and pharmaceutically acceptable salts thereof: (I) wherein Ri is selected from an SCN— group or is an RCONH— group in particular, where Ri=RCONH, R is selected from an aromatic benzene ring substituted with an SCN— group in the ortho, meta or para position, according to the following formula: SCN— or R is a C1-C4 alkyl chain, substituted with an SCN— group n can be equal to 0 or else 1. The invention also relates to the use of such compounds for the treatment of osteoporosis and in general of bone pathologies characterized by a progressive loss of bone mass, for example rheumatoid arthritis, hyperparathyroidism or bone tumor metastases.
