申请人:Texas Biotechnology Corporation
公开号:US05444050A1
公开(公告)日:1995-08-22
This invention relates to compounds that inhibit the binding of E-selectin and/or P-selectin to sialyl-Lewis.sup.x or sialyl-Lewis.sup.a presented on a cell surface having the general structure ##STR1## wherein X is selected from the group consisting of --(CH.sub.2).sub.n CO.sub.2 H, --O(CH.sub.2).sub.m CO.sub.2 H, --(CH.sub.2).sub.n O(CH.sub.2).sub.m CO.sub.2 H, --CONH(CH.sub.2).sub.m CO.sub.2 H, --CH(OZ)(CO.sub.2 H), --CH(Z)(CO.sub.2 H), --(CH.sub.2).sub.n SO.sub.3 H, --(CH.sub.2).sub.n PO.sub.3 D.sub.1 D.sub.2, --NH(CH.sub.2).sub.m CO.sub.2 H, --CONH(CHR.sub.6)CO.sub.2 H, (1-H-tetrazolyl-5-alkyl-), and --OH; R.sub.1 and R.sub.2 are independently selected from the group consisting of hydrogen, alkyl, halogen, --OZ, --NO.sub.2, --NH.sub.2 and --NHZ; R.sub.3 is selected from the group consisting of hydrogen, halogen, alkyl, --OZ and --NHZ; R.sub.4 is selected from the group consisting of hydrogen, halogen, alkyl, hydroxyl, hydroxyl-O-sulfate and --OZ; R.sub.5 is selected from the group consisting of hydroxyl, --CN, --N.sub.3, --NH.sub.2, --NHNH.sub.2, --NE.sub.1 E.sub.2, --NHE.sub.1, --NHCO(CH.sub.2).sub.n CO.sub.2 H, --S(CH.sub.2).sub.m CO.sub.2 H and --NHCHNHNH.sub.2 ; R.sub.6 is selected from the group consisting of hydrogen, alkyl, aralkyl, hydroxyalkyl, aminoalkyl, alkyl carboxylic acid and alkyl carboxamide; wherein n is 0 to 6, m is 1 to 6, p is 0 to 6, b is 0 to 2, Z is alkyl, aryl or aralkyl, D.sub.1 and D.sub.2 are independantly hydrogen or alkyl, E.sub.1 is alkyl or --(CH.sub.2).sub.8 CO.sub.2 H, and E.sub.2 is alkyl, and the pharmaceutically acceptable salts, esters, amides, and prodrugs thereof. This invention also relates to methods of inhibiting the binding of E-selectin and/or P-selectin to sialyl-Lewis.sup.x or sialyl-Lewis.sup.a presented on a cell surface using said compounds and to pharmaceutically active compositions comprising compounds that inhibit the binding of E-selectin to sialyl-Lewis.sup.x and to methods of treatment of septic shock, ARDS, Crohn's disease, chronic inflammatory diseases, such as psoriasis and rheumatoid arthritis, and reperfusion injuries that occur following heart attacks, strokes and organ transplants.
本发明涉及抑制E-选择素和/或P-选择素与细胞表面呈现的唾液酸-Lewis.sup.x或唾液酸-Lewis.sup.a的结合的化合物,其具有一般结构##STR1##其中X从以下组中选择:--(CH.sub.2).sub.n CO.sub.2 H,--O(CH.sub.2).sub.m CO.sub.2 H,--(CH.sub.2).sub.n O(CH.sub.2).sub.m CO.sub.2 H,--CONH(CH.sub.2).sub.m CO.sub.2 H,--CH(OZ)(CO.sub.2 H),--CH(Z)(CO.sub.2 H),--(CH.sub.2).sub.n SO.sub.3 H,--(CH.sub.2).sub.n PO.sub.3 D.sub.1 D.sub.2,--NH(CH.sub.2).sub.m CO.sub.2 H,--CONH(CHR.sub.6)CO.sub.2 H,(1-H-四唑基-5-烷基-),和--OH;R.sub.1和R.sub.2各自独立地从以下组中选择:氢,烷基,卤素,--OZ,--NO.sub.2,--NH.sub.2和--NHZ;R.sub.3从以下组中选择:氢,卤素,烷基,--OZ和--NHZ;R.sub.4从以下组中选择:氢,卤素,烷基,羟基,羟基-O-硫酸酯和--OZ;R.sub.5从以下组中选择:羟基,--CN,--N.sub.3,--NH.sub.2,--NHNH.sub.2,--NE.sub.1 E.sub.2,--NHE.sub.1,--NHCO(CH.sub.2).sub.n CO.sub.2 H,--S(CH.sub.2).sub.m CO.sub.2 H和--NHCHNHNH.sub.2;R.sub.6从以下组中选择:氢,烷基,芳基烷基,羟基烷基,氨基烷基,烷基羧酸和烷基羧酰胺;其中n为0至6,m为1至6,p为0至6,b为0至2,Z为烷基,芳基或芳基烷基,D.sub.1和D.sub.2各自独立地为氢或烷基,E.sub.1为烷基或--(CH.sub.2).sub.8 CO.sub.2 H,E.sub.2为烷基,以及其药学上可接受的盐,酯,酰胺和前药。本发明还涉及使用上述化合物抑制E-选择素和/或P-选择素与细胞表面呈现的唾液酸-Lewis.sup.x或唾液酸-Lewis.sup.a的结合的方法,以及包含抑制E-选择素与唾液酸-Lewis.sup.x结合的化合物的药学活性组合物,以及治疗败血症休克、ARDS、克罗恩病、慢性炎症性疾病(如银屑病和类风湿性关节炎)以及心脏病发作、中风和器官移植后的再灌注损伤的治疗方法。