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.

Date of Patent:
May. 12, 1987

Filed:

Jul. 30, 1984
Applicant:
Inventors:

Stephen R Baker, Eversley, GB;

William B Jamieson, Woking, GB;

Alec Todd, Wokingham, GB;

Assignee:
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07D / ; C07D / ; C07D / ;
U.S. Cl.
CPC ...
548252 ; 549252 ; 549551 ; 549554 ;
Abstract

There are described compounds of formula ##STR1## in which n is 0, 1 or 2, R.sup.1 is a hydrocarbyl group optionally substituted with an optionally substituted phenyl group and containing from 5 to 30 carbon atoms, R.sup.2 is optionally substituted phenyl or C.sub.1-10 alkyl optionally substituted by one or more substituents selected from optionally protected hydroxyl, optionally protected carboxyl, nitrile, optionally protected tetrazolyl, --COR.sup.6 where R.sup.6 is C.sub.1-4 alkyl, C.sub.1-4 alkoxy, an optionally protected amino acid residue or --NR.sub.2.sup.7 where each R.sup.7 is hydrogen or C.sub.1-4 alkyl, and --NHR.sup.8 where R.sup.8 is hydrogen, a protecting group, an optionally protected amino acid residue, C.sub.1-4 alkyl or --COR.sup.9 where R.sup.9 is C.sub.1-4 alkyl or C.sub.1-4 alkoxy, and R.sup.3, R.sup.4 and R.sup.5 are each selected from hydrogen, carboxyl, C.sub.2-5 alkoxycarbonyl, C.sub.1-4 alkyl, C.sub.1-4 alkoxy, hydroxyl, optionally protected tetrazolyl, halo, trifluoromethyl, nitrile, nitro and --CONR.sub.2.sup.10 where each R.sup.10 is hydrogen or C.sub.1-4 alkyl; and salts thereof. The compounds are leukotriene antagonists.


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