| abstract |
The present invention discloses a compound of formula (I), wherein Q is S, N or O; X is optional and can be O=, S=, =N- NH2 , =N-OH or -OH; Y is optional and can be -N( F)-, O, or a C to C hydrocarbon ; and each of R and R is independently a substituted or unsubstituted monocyclic, fused or polycyclic aryl or (hetero) ring system. The invention also discloses methods for preparing these compounds, pharmaceutical compositions containing the compounds and their uses, especially for treating or preventing cancer. |