Heteroaryl compounds for treatment of inflammation and allergies

Abstract From the Canadian patent

Compounds of the formula: Ar1 - X - Ar - Z - (R)n', and salts thereof wherein, Ar1 is a nitrogen, sulfur, oxygen heterocyclic ring or aromatic ring;, Ar is a phenyl ring or a nitrogen oxygen, or sulfur heterocyclic ring;, Ar and Ar1 may be fully substituted or less than fully substituted with H, CH3, lower alkyl aryl, aralkyl, halo, hydroxy, lower alkoxy CF3, carboxy, alkylcarboxy, arylcarboxy alkylcarbalkoxy, alkanoyl, formyl, oxo nitrilo, amino, aminoalkyl, alkylamine carboxamide, aryloxy, nitro, sulfonyl, sulfonamide thio, or alkylthio;, X = -O(CHR1)n-, -?(CHR1)n- -NR2(CHR1)n-alkylene, of up to 2 carbon atoms in the principal chain and up to a total of 4 carbon atoms, -C(R1)=C(R1)- …