Patent ID: 8470844

Claim:
A method of testing a compound for activity against cancer, comprising testing a compound of the formula Wherein: R1 is selected from the group consisting of hydrogen, halogen, C 1 to C 6 alkyl, C 1 to C 6 substituted alkyl, oxo, amino, protected amino, (monosubstituted)amino, (disubstituted)amino, C 1 to C 6 alkoxy, C 1 to C 6 substituted alkoxy, C 1 to C 6 acyl, C 1 to C 6 acyloxy, nitro, carboxy, carbamoyl, carboxamide, cyano and thiol; R2, R3 and R6 are, independently, selected from the group consisting of hydrogen, halogen, hydroxy, C 1 to C 6 alkyl, C 1 to C 6 substituted alkyl, oxo, amino, protected amino, (monosubstituted)amino, (disubstituted)amino, C 1 to C 6 alkoxy, C 1 to C 6 substituted alkoxy, C 1 to C 6 acyl, C 1 to C 6 acyloxy, nitro, carboxy, carbamoyl, carboxamide, cyano and thiol; R14, Ra and Rb are, independently, selected from the group consisting of hydrogen, C 1 to C 12 alkyl and C 1 to C 12 substituted alkyl; and n is 6 to 30; wherein said cancer is selected from leukemia, lung cancer and colorectal cancer.