| abstract |
The use of substituted 3,4-dihydro-2H-benzopyrans as remedies for obstructive functional disorders of the lungs and/or disorders of the efferent urinary passages The use of 3,4-dihydro-2H-benzo[b]pyrans of the formula I I in which R1 represents H, OH, (C1-C2)-alkoxy, (C1-C2)-alkyl or NR4R5, where R4 and R5 are identical or different and represent H, (C1-C2)-alkyl or (C1-C3)-alkyl-carbonyl, R2 and R3 are identical or different and represent alkyl having 1-4 carbon atoms, Ar represents 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 represents 1 or 2, X represents a chain (CH2)r which can be interrupted by a heteroatom O, S or NR6, where R6 denotes H or (C1-C4)-alkyl, and r represents the numbers 2, 3, 4 or 5, for the preparation of a remedy for obstructive func-tional disorders of the lungs and/or disorders of the efferent urinary passages, is described |