PROCESS FOR PRODUCING PHARMACEUTICAL COMPOSITIONS CONTAINING SUBSTITUTED 3,4-DIHYDRO-2H-BENZOPYRANES AS ACTIVE COMPONENT FOR TREATING OBSTRUCTIVE FUNCTIONAL DISORDERS OF THE LUNGS AND THE RESPIRATORY SYSTEM

摘要

A description is given of the use of 3,4-dihydro-2H-benzo[b]pyrans of the formula I …IMAGE… in which… R1 is H, OH, (C1-C2)-alkoxy, (C1-C2)-alkyl or NR4R5 where R4 and R5 are identical or different and are H, (C1-C2)alkyl or (C1-C3)-alkylcarbonyl,… R2 and R3 are identical or different and are alkyl with 1 to 4 C atoms,… Ar is an aromatic or heteroaromatic system which is unsubstituted or substituted by 1 to 3 identical or different radicals (C1-C2)-alkyl, (C1-C2)alkoxy, halogen, trifluoromethyl, CN, NO2, CO-(C1-C2)alkyl or SOm-(C1-C2)-alkyl with m = 1 or 2,… n is 1 or 2,… X is a chain (CH2)r which can be interrupted by a hetero atom O, S or NR6 where R6 is H or (C1-C4)-alkyl, and r is the numbers 2, 3, 4 or 5,… for the preparation of a medicament against obstructive functional disorders of the lungs and/or disorders of the urinary tract.