PARA-HYDROQUINONE DERIVATIVES AS VEGF, TNF AND/OR IL INHIBITORS FOR THE TREATMENT OF NEUROINFLAMMATORY DISEASES

The invention provides hydroquinone derivatives of formula (I), processes of preparation, as well as pharmaceutical compositions and methods of treating and/or preventing e.g. autoimmune, immunological, rheumatology, vascular, ophthalmologic, fibrotic, metabolic and gastro-intestinal disorders, neuroinflammatory and neurodegenerative diseases, neoplasms and cancer associated disorders, hormone related diseases and immunological disorders resulting from viral and bacterial infectious diseases and complications thereof.wherein: Ra, Rb = H, acyl or aryl alkyl; R1 = COOR4, (CH2)nCOOR4, SO3H, (CH2)nSO3H or CONH-R10; R2 and R3 = H or R5, with the proviso that when one of R2 and R3 is R5, the other is H; R4 = H, alkyl or aryl alkyl; R5 = R6, R7 or R8; R6 = CONH-R9, CONHCOR9, CONH(CH2)n- R9, CONHCH(COOR4)(CH2)k R9 or heteroaryl-R9; k = 0-4; R7 = optionally substituted benzoheteroaryl ; R8 = (CH 2)mX(CH2)p R9; X = O, S, SO2, NH, NAc or N(CH2)q R9; R9 = optionally substituted aryl, heteroaryl or cycloalkyl ; R10 = optionally substituted aryl or heteroaryl ; n, m, p and q = independently 1-4.