Fluorothiophene derivatives, process for preparing them and pharmaceutical compositions containing them

The invention provides compounds of Formula (I), stereoisomers thereof, or pharmaceutically acceptable salts of said compounds or stereoisomers wherein R1 and R2 are as defined herein as well as compositions comprising the same, processes for making the same, and methods of using the same to treat a variety of diseases, including, those requiring interaction with metalloproteases, and more specifically with macrophage metalloelastase (MMP-12), and for the prevention and treatment of respiratory pathologies such as chronic obstructive bronchopneumopathy (COPD), emphysema, chronic bronchitis, chronic pulmonary inflammation, asthma, cystic fibrosis, acute respiratory distress syndrome (ARDS), respiratory allergies including allergic rhinitis, and also diseases associated with the production of TNFalpha including severe fibrotic pulmonary disease, pulmonary sarcoidosis and silicosis. The compounds of the present invention also show inhibitory activity on metalloprotease-13 (MMP-13), making them useful for the treatment of pathologies involving this enzyme, such as cancer, osteoporosis, osteoarthritis, arthritis, rheumatoid arthritis, atherosclerosis, multiple sclerosis and cardiac insufficiency.