abstract |
A compound of formula (I) or a salt, ester or amide thereof; where X is O, or S, S(O) or S(O)<SUB>2 </SUB>or NR<SUP>10 </SUP>where R<SUP>10 </SUP>is hydrogen or C<SUB>1-6 </SUB>alkyl, and R<SUP>1</SUP>, R<SUP>2</SUP>, R<SUP>3</SUP>, R<SUP>4</SUP>, R<SUP>5</SUP>, R<SUP>6</SUP>, R<SUP>7</SUP>, R<SUP>8 </SUP>and R<SUP>9 </SUP>are various specified organic groups. These compounds are inhibitors of aurora 2 kinase, and are useful in the treatment of cancer. |