| 摘要 |
Compounds of formula: <CHEM> in which, inter alia q is 0 to 2, R1 is (L)a-(CH2)b-(T)c-B wherein a and c are 0 or 1, b is 3 to 14, L and T are independently O, S or CH2; B is C1-4 alkyl, ethynyl, CF3, isopropenyl, furanyl, thienyl, furanyl, cyclohexyl or optionally substituted phenyl; R2 and A are H, CF3, C1-4 alkyl, C1-4 alkoxy, halogen, OH, NO2 or NH2 or R1 and A are H and R2 is (L)a-(CH2)b-(T)c as above; y is COR3 or (CHX)n(CH2)pZ wherein R3 is OH, NH2, aryloxy or alkoxy, n is 0 or 1, p is 0, 1 and 2; X is H, OH, alkyl, alkoxy or F, Z is COR3 or tetrazolyl; R is (CR4R5)mW, m is 0 to 6, R4 and R5 are alkyl and W is an optionally substituted heteroaryl group; intermediates and processes for their preparation and their use in therapy as leukotriene antagonists. |
