C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
167/226, 260/277
C07D 401/12 (2006.01) A61K 31/47 (2006.01) C07C 43/23 (2006.01) C07D 257/04 (2006.01) C07D 309/22 (2006.01) C07D 405/12 (2006.01)
Patent
CA 1324142
ABSTRACT This invention relates to certain quinolyl ether and thioether tetrazoles and their use as valuable pharmaceutical agents for the treatment of hypersensitive ailments, particularly as lipoxygenase inhibitors and/or leukotriene antagonists possessing anti-inflammatory and antiallergic properties. The compounds of the invention are of formula Image where: A is O or S; B is -CR2R3-, O or S; a is 0-2; b is 0-1; c is 0-2; d is 0-5; n is 0-2; R is independently hydrogen, alkyl, hydroxyy, alkoxy, carbalkoxy, halo, nitro, haloalkyl or cyano; R1 and R2 are independently hydrogen, alkyl or aralkyl; vicinal R2 groups together may form a carbon-carbon double-bond; R3 is -(CH2)x-X; where x is 0-3 and X is hydrogen, alkyl, alkenyly cycloalkyl, aryl aralkyl, hydroxy, alkoxy, amino, mono-and di-alkylamino, aralkylamino, acylamino, carbamyl, carboxy or carbalkoxy; vicinal R3 groups together may be -(CH2)y- where y is 1-4, thus forming a 3-6 membered ring; geminal R2 and R3 groups may together form a spiro substituent, -(CH2)p-, where z is 2 to 5; geminal R2 and R3 groups may together form an alkylidenyl substituent, ?HR4 where R4 is hydrogen or alkyl; R' is hydrogen, alkyl or substituted alkyl where the substituent may be carbon carbalkoxy, amino, mono- and di-alkylamino, aralkylamino, acylamino, carbamyl, mono- and di-alkyl carbamyl; and pharmaceutically acceptable salts thereof.
532055
Chakraborty Utpal
Desai Rohit
Lee Thomas D-Y
Magnien Ernest
Youssefyeh Raymond
Chakraborty Utpal
Desai Rohit
Goudreau Gage Dubuc
Lee Thomas D-Y
Magnien Ernest
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