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:
Aug. 15, 1989
Filed:
Apr. 15, 1987
Richard Frenette, Laval, CA;
Jacques-Yves Gauthier, Laval, CA;
Robert N Young, Senneville, CA;
Robert Zamboni, Longueuil, CA;
Masatoshi Kakushima, Yokohama, JP;
Thomas R Verhoeven, Cranford, NJ (US);
Merck Frosst Canada, Inc., Kirkland, CA;
Abstract
The present invention relates to a stereo-selective synthesis of leukotriene antagonists. More particularly, this invention relates to the stereo-selective synthesis of (.beta.S,.gamma.R) and (.beta.R,.gamma.S)-4-((3-(4-acetyl-3-hydroxy-2-propyl(phenoxy)propyl)-thio -.gamma.-hydroxy-.beta.-methylbenzenebutanoic acid, and related compounds. These compounds are useful therapeutic agents for treating allergic conditions, asthma, cardiovascular, disorders, inflammation and pain in mammals, especially humans. The compounds are also useful for inducing cytoprotection in mammals, especially humans.