METHOD OF OBTAINING NOVEL OXAZOLYL DERIVATIVES

Oxazolyl derivatives of formula (I), wherein -A =A -A =A - represents a bivalent radical having the formula -CH=CH-CH=CH- (a-1), -N=CH-CH=CH- (a-2), -CH=N-CH=CH- (a-3), -CH=CH-N=CH- (a-4), -CH=CH-CH=N- (a-5), -N=CH-N=CH- (a-6) or -CH=N-CH=N- (a-7); R represents hydrogen or C1-4alkyl; R represents hydrogen, C1-6alkyl or hydroxy-C1-6alkyl; m represents 1 or 2; D represents C1-4alkanediyl; B represents NR , CH2, O, S, SO or SO2 wherein R is hydrogen or C1-4alkyl; n represents 0, 1 or 2; L represents hydrogen; C1-12alkyl; C3-6cycloalkyl; C3-6alkenyl optionally substituted with aryl; C1-6alkylcarbonyl; C1-6alkyloxycarbonyl; arylcarbonyl; arylC1-6 alkyloxycarbonyl; or a radical of formula -Alk-R (b-1); -Alk-Y-R (b-2); -Alk-Z -C(=X)-Z -R (b-3); or -CH2-CHOH-CH2-O-R (b-4), the pharmaceutically acceptable acid addition salts and stereochemically isomeric forms thereof have antiallergic properties. Compositions containing the same and methods of treating warm-blooded animals suffering from allergic diseases.