The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 28, 1995
Filed:
Jun. 21, 1993
Andrew G Brewster, Macclesfield, GB;
George R Brown, Wilmslow, GB;
Alan W Faull, Macclesfield, GB;
Reginald Jessup, Sandbach, GB;
Michael J Smithers, Macclesfield, GB;
Zeneca Limited, London, GB;
Abstract
The invention concerns pharmaceutically useful 1,3-dioxane alkenoic acid derivatives of formula VII and formula XI containing a pyridyl moiety at position 4 of the dioxane ring and in which the groups at positions 2, 4 and 5 have cis-relative stereochemistry, wherein X is hydrogen, alkoxy or hydroxy, Y is vinylene, n is 1 or 2, A.sup.1 is alkylene, R.sup.1 is a variety of substituents defined hereinafter, Ra and Rb are independently methyl or ethyl, R.sup.2 is hydroxy, a physiologically acceptable alcohol residue or alkanesulphonamido, and the pharmaceutically acceptable salts thereof.