New difurylglycolic acid esters, processes for the preparation thereof as well as the use thereof as pharmaceutical compositions
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Abstract
Difurylglycolic acid esters of the formula 1
wherein X− and the groups A, R, R1, R2, R3 and R3′ may have the meanings given in the claims and in the specification, processes for preparing them and their use for treating asthma, COPD, vagally induced sinus bradycardia, heart rhythm disorders, spasms in the gastrointestinal tract, spasms in the urinary tract or menstrual pain.
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Citations
12 Claims
- 1. A compound of the formula 1
- 9. A compound of the formula 4
Specification