| abstract |
The invention relates to compounds of formula (I) wherein: either any one of G 1 , G 2 , G 3 , G 4 and G 5 is nitrogen and the other four are —CH—, or G 1 , G 2 , G 3 , G 4 and G 5 are all —CH—; Z is —O—, —NH—, —S—, —CH 2 — or a direct bond; Z is linked to any one of G 1 , G 2 , G 3 and G 4 ; n is an integer from 0 to 5; m is an integer from 0 to 3; R a represents hydrogen or fluoro; R b , R 1 and R 2 are defined herein and salt thereof, process for the preparation so such compounds, pharmaceutical compositions containing a compound of formula I or a pharmaceutically acceptable salt thereof as active ingredient and the use of a compound of formula I in the manufacture of a medicament for the production of an antiangiogenic and/or vascular permeability reducing effect in warm-blodded animals. The compounds of formula I and the pharmaceutically acceptable salts thereof inhibit the effects of VEGF, a property of value in the treatment of a number of diseases states including cancer and rheumatoid arthritis. |