| 摘要 |
<p>Novel compounds selected from the group consisting of: (A) compounds of formula I(1), wherein: one of R?1 and R2¿ represents the group (a) and the other represents hydrogen or R?7CO-; R5¿ represents C¿1? to C6-alkyl or the group -(CH2)n-Z-(CH2)m-Ar; Z represents O, S or -CH2-; n represents an integer of 1 to 8; m represents zero or an integer of 1 to 8; R?7¿ is C1 to C10 alkyl, C3 to C8 cycloalkyl, aryl, heteroaryl, -N(R?9R10), or R11O-; R3, R4, R9, and R10¿ are each independently selected from hydrogen, C1 to C6 alkyl and Ar?1; R6 and R11¿ are each independently C1-C8 alkyl; Ar and Ar1 are each independently selected from the group consisting of phenyl or substituted phenyl, (B) compounds of formula I(2), wherein: R5a represents C¿1? to C6-alkyl or the group -(CH2)n-Z-(CH2)m-Ar?2; Ar2¿ is selected from the group consisting of phenyl, substituted phenyl, or phenyl optionally substituted by two adjacent groups which together form an additional benzenoid ring; ring Q represents one of the rings Q¿1?, Q2, Q3 or Q4, and pharmaceutically acceptable acid addition salts thereof are described. These compounds possess favorable properties for the treatment of asthma and all types of chronic, obstructionary bronchopulmonary diseases.</p> |
