abstract |
Compounds of formula (I), wherein R1 is hydrogen, C1 to C6 alkyl, phenyl, benzyl, -COR4, or -SO2R4; R2 is (1), (2) or (3); R3 is -(CH2)d-Z; Z is (4); R4 is C1 to C6 alkyl, phenyl, or benzyl; R5 is hydrogen or C1 to C6 alkyl; R6, R7, R11, R12, and R13 are each independently hydrogen or C1 to C6 alkyl; either R8 or R9 is hydrogen, C1 to C6 alkyl, halogen-substituted C1 to C6 alkyl, 1-pyrrolidynylmethyl, 1-piperidynylmethyl, cyclopentylmethyl, cyclohexylmethyl or (5) with the other being the bond between R3 and Z; Q is (6) or (7). |