Process for producing heterocyclic compounds

C - Chemistry – Metallurgy – 07 – D

Patent

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C07D 277/00 (2006.01) C07D 239/58 (2006.01) C07D 249/04 (2006.01) C07D 249/14 (2006.01) C07D 275/03 (2006.01) C07D 277/16 (2006.01) C07D 277/74 (2006.01) C07D 285/12 (2006.01) C07D 285/125 (2006.01) C07D 285/135 (2006.01) C07D 309/40 (2006.01)

Patent

CA 1269982

ABSTRACT OF THE DISCLOSURE Novel heterocyclic compounds of the formula Image (I) wherein R1 is lower acyl, R2 is lower alkyl, A is optionally substituted lower alkylene, Y is oxygen, sulfur, carbonylimino or iminocarbonyl and Image is an optionally-substituted 5- or 6-membered heterocyclic ring are disclosed as well as a process for producing them. The subject compounds and salts thereof are useful as medicaments, and in particular as antagonists of slow reacting substance of anaphylaxis (SRS-A).

495080

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