Abstract: | Compounds of the formula: ##STR1## wherein R.sub.1 is (1) hydrogen, (2) C.sub.1 to C.sub.4 alkyl, (3) C.sub.2 to C.sub.4 alkenyl, or (4) NR.sub.2 R.sub.3, wherein R.sub.2 and R.sub.3 are independently selected from (1) hydrogen, (2) C.sub.1 to C.sub.4 alkyl and (3) hydroxyl, but R.sub.2 and R.sub.3 are not simultaneously hydroxyl; wherein X is oxygen, sulfur, SO.sub.2, or NR.sub.4, wherein R.sub.4 is (1) hydrogen, (2) C.sub.1 to C.sub.6 alkyl, (3) C.sub.1 to C.sub.6 alkoyl, (4) aroyl, or (5) alkylsulfonyl; A is selected from C.sub.1 to C.sub.6 alkylene and C.sub.2 to C.sub.6 alkenylene; n is 1-5; Y is selected independently at each occurrence from (1) hydrogen, (2) halogen, (3) hydroxy, (4) cyano, (5) halosubstituted alkyl, (6) C.sub.1 to C.sub.12 alkyl, (7) C.sub.2 to C.sub.12 alkenyl, (8) C.sub.1 to C.sub.12 alkoxy, (9) C.sub.3 to C.sub.8 cycloalkyl, (10) C.sub.1 -C.sub.8 thioalkyl, (11) aryl, (12) aryloxy, (13) aroyl, (14) C.sub.1 to C.sub.12 arylalkyl, (15) C.sub.2 to C.sub.12 arylalkenyl, (16) C.sub.1 to C.sub.12 arylalkoxy, (17) C.sub.1 to C.sub.12 arylthioalkoxy, and substituted derivatives of (18) aryl, (19) aryloxy, (20) aroyl, (21) C.sub.1 to C.sub.12 arylalkyl, (22) C.sub.2 to C.sub.12 arylalkenyl, (23) C.sub.1 to C.sub.12 arylalkoxy, or (24) C.sub.1 to C.sub.12 arylthioalkoxy, wherein substituents are selected from halo, nitro, cyano, C.sub.1 to C.sub.12 alkyl, alkoxy, and halosubstituted alkyl; Z is oxygen or sulfur; and M is hydrogen, a pharmaceutically acceptable cation, aroyl, or C.sub.1 to C.sub.12 alkoyl, are potent inhibitors of 5- and/or 12-lipoxygenase enzymes. Also disclosed are lipoxygenase inhibiting compositions and a method for inhibiting lipoxygenase activity. |