Abstract: Sulfur-substituted azetidinone hypocholesterolemic agents of the formula ##STR1## or a pharmaceutically acceptable salt thereof, wherein: Ar.sup.1 is aryl or R.sup.10 -substituted aryl;Ar.sup.2 is aryl or R.sup.4 -substituted aryl;Ar.sup.3 is aryl or R.sup.5 -substituted aryl;X and Y are --CH.sub.2 --, --CH(lower alkyl)-- or --C(dilower alkyl)--;R is --OR.sup.6, --O(CO)R.sup.6, --O(CO)OR.sup.9 or --O(CO)NR.sup.6 R.sup.7 ; R.sup.1 is hydrogen, lower alkyl or aryl; or R and R.sup.1 together are .dbd.O;q is 0 or 1; r is 0, 1 or 2; m and n are 0-5; provided that the sum of m, n and q is 1-5;R.sup.4 is selected from lower alkyl, --OR.sup.6, --O(CO)R.sup.6, --O(CO)OR.sup.9, --O(CH.sub.2).sub.1-5 OR.sup.6, --O(CO)NR.sup.6 R.sup.7, --NR.sup.6 R.sup.7, --NR.sup.6 (CO)R.sup.7, --NR.sup.6 (CO)OR.sup.9, --NR.sup.6 (CO)NR.sup.7 R.sup.8, --NR.sup.6 SO.sub.2 R.sup.9, --COOR.sup.6, --CONR.sup.6 R.sup.7, --COR.sup.6, --SO.sup.2 NR.sup.6 R.sup.7, S(O).sub.0-2 R.sup.9, --O(CH.sub.2).sub.1-10 --COOR.sup.6, --O(CH.sub.2).sub.

Abstract: 7-arylhept-5-ynoic acids and derivatives thereof are anti-allergy and anti-inflammatory agents. As such, they are useful in the treatment of allergy-caused diseases, particularly chronic obstructive lung diseases.