Pharmaceutically useful prostenoic acid derivatives

C - Chemistry – Metallurgy – 07 – C

Patent

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260/235.01

C07C 405/00 (2006.01) C07D 307/935 (2006.01) C07D 309/12 (2006.01)

Patent

CA 1037036

ABSTRACT OF THE DISCLOSURE New prostaglandin-like compounds, having brochodilating activity, of formula Image (I) (wherein R1 represents an alkyl group and A represents a direct bond or an alkylene group) and their pharmaceutically acceptable salts are prepared by oxidizing compounds of formula (II) Image (wherein R2 represents hydrogen or a carboxyl-protecting group, and R3 represents a hydroxyl-protecting group), removing protecting groups from the products and, when appropriate, salifying the compound obtained.

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