Compounds

Abstract

A first aspect of the invention relates to a compound of formula (I), or a pharmaceutically acceptable salt or ester thereof, (Formula (I)) wherein: Ris (CH)NRR; Ris selected from H, halo, OR, NHR, alkyl, alkenyl and alkynyl; Ris selected from alkyl, alkenyl, alkynyl, aryl, halo, aryloxy, NHCOR, NHCONRR, NHCOR, NH-alkyl, NH-alkenyl, NH(CH);-aryl, (CH)-heteroaryl, (CH)COR, (CH)CORand NHSOR, wherein each alkyl, alkenyl, aryl or heteroaryl moiety in the aforementioned list is optionally further substituted by one or more groups selected from alkyl, halo OH, NH, alkoxy, aryloxy, alkylamino, arylamino, carboxyl and carboxamide; Rto Rand Rare each independently selected from alkyl, alkenyl and aryl; Rand Rare each independently selected from alkyl and alkenyl; or Rand R:are linked together with the nitrogen to which they are attached to form a heterocycloalkyl or heterocycloalkenyl group; n, m, p, q and r are each independently selected from 0, 1, 2, 3, 4, 5 and 6. Further aspects relate to pharmaceutical compositions, therapeutic uses and process for preparing according to the invention.