Leukotriene biosynthesis in macrophage cells is inhibited by compounds having the formula ##STR1## and pharmaceutically acceptable salts thereof, wherein R.sub.1 and R.sub.2 are each hydrogen and R.sub.3 is alkyl or arylalkyl; R.sub.1 and R.sub.3 are each hydrogen and R.sub.2 is arylmethyl or arylcarbonyl; R.sub.1 is methyl, R.sub.2 is arylmethyl and R.sub.3 is hydrogen; or R.sub.1 is alkyl of seven or more carbons or arylalkyl and R.sub.2 and R.sub.3 are each hydrogen.
巨噬细胞中的
白三烯合成可以被具有以下结构式的化合物及其药学上可接受的盐所抑制,其中R.sub.1和R.sub.2均为氢,R.sub.3为烷基或芳基烷基;R.sub.1和R.sub.3均为氢,R.sub.2为芳基甲基或芳基羰基;R.sub.1为甲基,R.sub.2为芳基甲基,R.sub.3为氢;或者R.sub.1为七个或更多碳的烷基或芳基烷基,R.sub.2和R.sub.3均为氢。