Patent ID: 8362075

Claim:
A method of treating a cancer associated with modified Notch signaling in a mammal in need of such treatment comprising administering to said mammal a therapeutically effective amount of a compound of formula I: wherein: m is 0 or 1; Z represents CN, OR 2a , CO 2 R 2a or CON(R 2a ) 2 ; R 1b represents H, C 1-4 alkyl or OH; R 1c represents H or C 1-4 alkyl, Ar 1 represents phenyl or pyridyl, either of which bears 0-3 substituents independently selected from halogen, CN, NO 2 , CF 3 , OH, OCF 3 , C 1-4 -alkoxy or C 1-4 alkyl which optionally bears a substituent selected from halogen, CN, NO 2 , CF 3 , OH and C 1-4 alkoxy; Ar 2 represents phenyl which is substituted in the 2- and 5-positions with halogen; R 2a represents H, C 1-6 alkyl, C 3-6 cycloalkyl, C 3-6 cycloalkylC 1-6 alkyl, C 2-6 alkenyl, any of which optionally bears a substituent selected from halogen, CN, NO 2 , CF 3 , OR 2b , CO 2 R 2b , N(R 2b ) 2 , CON(R 2b ) 2 , Ar and COAr; or R 2a represents Ar; or two R 2a groups together with a nitrogen atom to which they are mutually attached may complete an N-heterocyclyl group bearing 0-4 substituents independently selected from ═O, ═S, halogen, C 1-4 alkyl, CN, NO 2 , CF 3 , OH, C 1-4 alkoxy, C 1-4 alkoxycarbonyl, CO 2 H, amino, C 1-4 alkylamino, di(C 1-4 alkyl)amino, carbamoyl, Ar and COAr; R 2b represents H, C 1-6 alkyl, C 3-6 cycloalkyl, C 3-6 cycloalkylC 1-6 alkyl, C 2-6 alkenyl, any of which optionally bears a substituent selected from halogen, CN, NO 2 , CF 3 , OH, C 1-4 alkoxy, C alkoxycarbonyl, CO 2 H, amino, C 1-4 alkylamino, di(C 1-4 alkyl)amino, carbamoyl, Ar and COAr; or R 2b represents Ar; or two R 2b groups together with a nitrogen atom to which they are mutually attached may complete an N-heterocyclyl group bearing 0-4 substituents independently selected from ═O, ═S, halogen, C 1-4 alkyl, CN, NO 2 , CF 3 , OH, C 1-4 alkoxy, C 1-4 alkoxycarbonyl, CO 2 H, amino, C 1-4 alkylamino, di(C 1-4 alkyl)amino, carbamoyl, Ar and COAr; Ar represents phenyl or heteroaryl bearing 0-3 substituents selected from halogen, C 1-4 alkyl, CN, NO 2 , CF 3 , OH, C 1-4 alkoxy, C 1-4 alkoxycarbonyl, amino, C 1-4 alkylamino, di(C 1-4 alkyl)amino, carbamoyl, C 1-4 alkylcarbamoyl and di(C 1-4 alkyl)carbamoyl; or a pharmaceutically acceptable salt thereof.