| abstract |
2-Phenylbenzimidazoles and 2-phenylindoles of formula IwhereinA is N or CH,R1 is hydrogen or alkyl which optionally carries an OR11 group,R11 is hydrogen or alkyl,R2 is hydrogen, chlorine, fluorine, bromine, iodine, alkyl, nitro, CF3, CN, NR21R22, NH-CO-R23, OR21,R21 and R22 are each hydrogen or alkyl,R23 is hydrogen, alkyl or phenyl,R3 is -(CH2)q-NR31R32,q is 0, 1, 2 or 3,R31 is hydrogen, alkyl, (CH2)rNR33R34,R32 is (CH2)rNR33R34,r is 2, 3, 4, 5 or 6,R33 and R34 are each hydrogen, alkyl or phenylalkyl wherein the phenyl ring is optionally substituted, orR33 and R34 and the nitrogen atom form a 3- to 8-membered ring,R4 is hydrogen, alkyl, chlorine, bromine, fluorine, nitro, cyano, NR41R42, NH-CO-R43, OR41,R41 and R42 are each hydrogen or alkyl, andR43 is alkyl or phenyl,are useful as inhibitors of poly(ADP-ribose)polymerase and for the production of drugs. |