| 摘要 |
Fused phenol derivatives of the formula (I): <IMG> (wherein R1 and R2 each, independently, is H, halogen, trifluoromethyl, cyano, (substituted) alkyl, alkoxy, cycloalkyl, COOH, COOR6 (in which R6 is C1-6 alkyl), alkenyl or R1 and R2, taken together, is -CH=CH-CH=CH-, when R1 and R2 are attached ortho to each other: A is alkylene, alkenylene, oxyalkylene or <IMG> (in which m is 1-6): B is monocyclic hetero ring containing nitrogen atom: G is -OR3A or -NR3BR3C (in which R3A, R3B and R3C each, independently, is H, alkyl, acyl, or alkoxyalkyl): R4 and R5 each, independently, is H, alkyl, or R4 and R5 together with the carbon atom to which they are attached is C4-7 cycloalkyl; n is 1-3: and non-toxic salts thereof, non-toxic acid addition salts thereof and hydrates thereof, have utility as pharmaceuticals.
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