Bronchospasmolytic compounds and process for their preparation

Details Bronchospasmolytic compounds and process for their preparation Bronchospasmolytic compounds and process for their preparation

C - Chemistry, Metallurgy

07

C

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C07C 217/80 (2006.01) A61K 31/135 (2006.01) A61K 31/36 (2006.01) C07C 217/58 (2006.01) C07C 217/60 (2006.01) C07C 219/34 (2006.01) C07D 317/58 (2006.01)

Patent

CA 2013114

ABSTRACT New bronchospasmolytic compounds of the formula (X) Image (X) and pharmaceutically acceptable salts thereof, wherein R1 and R2 are the same or different and are each H, OH, OCH3, OC2H5, halogen; or R1 and R2 together form the chain -O-CH2-O- or -O-CF2-O-; R3 is H or CH3; R5 is H or -CO-R7; R6 is H, OH, OCH3, OC2H5 or halogen; R7 is a straight or branched alkyl grup with 1-16 carbon atoms, aryl, -NHCH3 or -N(CH3)2, as well as their use and a process for their preparation.

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