| 摘要 |
Antiallergic 2-(heterocyclylalkyl)imidazopyridines of formula <CHEM> wherein -A<1>=A<2>-A<3>=A<4>- is -N=CH-CH=CH-, -CH=N-CH=CH-, -CH=CH-N=CH-, -CH=CH-CH=N-, -N=CH-N=CH- or -CH=N-CH=N-; R<1> is hydrogen, C1-10alkyl, C3-6cycloalkyl, Ar<1>, C1-6alkyl or a radical of formula -Alk-G-R<2>; R is hydrogen or C1-6alkyl; m is 1 to 4; n is 1 or 2; L is hydrogen, C1-6alkylcarbonyl, C1-6alkylsulfonyl, C1-6alkyloxycarbonyl, Ar<2>-C1-6alkyloxycarbonyl, Ar<2>-carbonyl, Ar<2>-sulfonyl, C3-6cycloalkyl, C2-6alkenyl optionally substituted with Ar<2>, C1-12alkyl, a radical of formula -Alk-R<4>, -Alk-Y-R<5>, Alk-Z<1>-C(X)-Z<2>-R<6> or -CH2-CHOH-CH2-O-R<7>; the pharmaceutically acceptable acid addition salts and possible stereochemically isomeric forms thereof, novel compounds of formula (I); pharmaceutical compositions containing such compounds as an active ingredient and methods of preparing said compounds and pharmaceutical compositions. |
