US9777014: Tetrahydro-2h-Pyrano[3,2-C]Isochromene-6-Ones and analogs for the treatment of inflammatory disorders

The present invention relates to 2,3,4,4a-tetrahydro-3,4,8,10-tetrahydroxy-2-(hydroxymethyl)-9-methoxypyrano[3,2-c]isochromen-6(10bH)-one analogs of the Formula I, wherein, R, R? and R? are as herein described. In addition, the invention relates to methods of using compounds for treating or preventing various inflammatory disorders such as rheumatoid arthritis, inflammatory bowel disease, psoriasis, asthma and chronic obstructive pulmonary disorder.