Methods useful for inhibiting VCAM-1 and for treating chronic inflammatory conditions in a patient in need thereof are disclosed comprising administering to the patient effective amounts of a compound of the formula ##STR1## wherein R.sub.1, R.sub.2, R.sub.3 and R.sub.4 are each independently a C.sub.1 -C.sub.6 alkyl group; Z is a thio, oxy or methylene group; A is a C.sub.1 -C.sub.4 alkylene group; R.sub.5 is a C.sub.1 -C.sub.6 alkyl or --(CH.sub.2).sub.n --(Ar) wherein n is an integer 0, 1, 2 or 3; and Ar is phenyl or naphthyl unsubstituted or substituted with one to three substituents selected from the group consisting of hydroxy, methoxy, ethoxy, chloro, fluoro or C.sub.1 -C.sub.6 alkyl; are disclosed.
本文揭示了用于抑制VCAM-1并治疗患有慢性炎症症状的患者的方法,包括向患者施用化合物的有效量,其
化学式为##STR1##其中R.sub.1、R.sub.2、R.sub.3和R.sub.4分别独立为C.sub.1-C.sub.6烷基基团;Z为
硫、氧或亚甲基基团;A为C.sub.1-C.sub.4烷基基团;R.sub.5为C.sub.1-C.sub.6烷基或--(CH.sub.2).sub.n--(Ar)其中n为整数0、1、2或3;Ar为苯或
萘,未取代或取代一个至三个亚甲基、甲氧基、乙氧基、
氯、
氟或C.sub.1-C.sub.6烷基的取代基。