Novel carboxylate derivatives exhibiting phospholipase A₂ inhibitory activity are disclosed. Specifically, the following compounds of the formula and pharmaceutically acceptable salts thereof are disclosed:
wherein A is hydroxy, amino, or lower alkylamino; R¹ to R¹² are independently hydrogen, methyl, methoxy, or hydroxy, provided that all of R¹ to R¹² are not hydrogen; G¹ is a single bond, or a group of -(CH₂)xO(CH₂)y- wherein x and y are independently 0-5; G² is a single bond, oxygen, sulfur, carbonyl, etc.; G³ is alkyl, aryl, or a group of the formula:
wherein R¹³ and R¹⁴ are independently hydrogen, alkyl, aryl, etc.; or R¹³ and R¹⁴ may be taken together with the adjacent nitrogen atom to form a heterocyclic group or a group of the formula:
wherein Z is a carbon atom or a nitrogen atom,
J, K ,and L are independently hydrogen or aryl, etc.; p and q are independently 0, 1, or 2; and n is an integer of 1 to 8.
本发明公开了具有
磷脂酶 A₂ 抑制活性的新型
羧酸盐衍
生物。具体而言,本发明公开了下列式化合物及其药学上可接受的盐类:
其中,A 是羟基、
氨基或低级烷基
氨基;R¹ 至 R¹² 独立地是
氢、
甲基、甲
氧基或羟基,条件是所有 R¹ 至 R¹² 都不是
氢;G¹ 是单键,或 -(CH₂)xO(CH₂)y- 的基团,其中 x 和 y 独立地是 0-5;G² 是单键、
氧、
硫、羰基等;G³ 是烷基、芳基或式中的基团:
其中 R¹³ 和 R¹⁴ 独立地为
氢、烷基、芳基等;或 R¹³ 和 R¹⁴ 可与相邻的
氮原子一起形成杂环基团或式中的基团:
其中 Z 是
碳原子或
氮原子、
J、K 和 L 独立地为
氢或芳基等;p 和 q 独立地为 0、1 或 2;n 为 1 至 8 的整数。