Coumarin derivatives, processes for their preparation and uses thereof for the treatment of cancer

A compound of the general formula (I)

• wherein
• R is —C1-C4-alkyl;
• R1 is —H, or -methyl;
• M is CH or N;
• W is
• wherein
• R2 is C1-C4-alkyl, -halogen, —CN;
• X is -halogen, or —CN;
• n=0, 1, or 2;
• Y is —NR3R4 wherein
• R3 is —H, or —C1-C4-alkyl, and
• R4 is —C1-C4-alkyl or —C3-C6-cycloalkyl;
• or
• an unsubstituted or substituted pyridine residue;
• or
• an unsubstituted or substituted phenyl residue;
• or
• Y is —NR3R4 with N, R3 and R4 forming an unsubstituted or substituted 5- or 6-membered saturated heterocycle;
• or
• Y is —OR11, with R11 is —H or —C1-C4-alkyl;
• or a pharmaceutically or veterinary acceptable salt, hydrate or solvate thereof.