Phospholipase A2 inhibitor, microorganisms producing said inhibitor and processes for its production
申请人:SHIONOGI SEIYAKU KABUSHIKI KAISHA
trading under the name of
SHIONOGI & CO. LTD.
公开号:EP0405864A2
公开(公告)日:1991-01-02
A compound of the formula (I);
wherein R1, R2, and R3 are -COOR4, -COOR5, and -COOR6, respectively; R4, R5, and R6, are each hydrogen, lower alkyl, or alkali metal; W is hydroxyl; X, Y, and Z are each hydrogen or hydroxyl; the dotted line indicates the presence or absence of a single bond; and wherein W/R3, X/R1, and/or Z/R3 may be combined together, to form a lactone, which compound is useful as a phospholipase A2 inhibitor. A process for the production of the compound (I), a cell culture of a microorganism Circinotrichum falcatisporum RF-641 producing the same and pharmaceutical compositions containing the same are also provided.
式 (I) 的化合物;
其中R1、R2和R3分别为-COOR4、-COOR5和-COOR6;R4、R5和R6各自为氢、低级烷基或碱金属;W为羟基;X、Y和Z各自为氢或羟基;虚线表示存在或不存在单键;W/R3、X/R1和/或Z/R3可结合在一起,形成内酯,该化合物可用作磷脂酶A2抑制剂。本发明还提供了化合物(I)的生产工艺、产生该化合物的微生物Circinotrichum falcatisporum RF-641的细胞培养物以及含有该化合物的药物组合物。