Method of inhibition of farnesyl-protein transferase using substituted benz (cd) indol-2-imine and-amine derivatives

The invention is a method of treating, inhibiting or controlling a ras-associated disease by inhibiting farnesyl-protein transferase(FPTase) enzyme, treating ras oncogene-dependent tumors, which include cancers of pancreas, breast, lung, colon, epidermis, prostate, bladder, thyroid, myelodysplastic tumors and myeloid leukemia; controlling metastasis, suppressing angiogenesis, inducing apoptosis, and in treating Ras-associated proliferative diseases other than cancer, such as restenosis, neuro-fibromatosis, endometriosis, and psoriasis, in a mammal in need thereof, which comprises administering to said mammal an effective amount of a compound of Formula I:or a pharmaceutically acceptable salt thereof, wherein R1, R2, R3, R4, R5, Q, a, and b are defined in the specification.