| abstract |
This invention relates to novel compounds of 3-cyclopentyloxy-4-methoxyphenyl-isothiazolinone derivatives having the activity to inhibit tumor necrosis factor-α (TNF-α) or cyclic AMP phosphodiesterase IV (PDE 4). In more detail, this invention is directed to the preparation processes of the novel compounds of formula [1], and a pharmaceutically acceptable salt thereof, and pharmaceutical compositions possessing important biological therapeutic effect on inflammatory and autoimmune diseases associated with a detrimental excess of TNF-α. |