PROBLEM TO BE SOLVED: To obtain a compound having selective SIP3 receptor antagonism and a medicine containing the same.
SOLUTION: The medicine comprises an aminopropionic acid derivative represented by general formula (1) (R1is a hydrogen atom or a lower alkyl group; R2is formula A; A is CO or CH2; E is an oxygen atom or an NR4; R3is a lower alkyl group or formula B; G is CH, a nitrogen atom or a phosphorus atom; J is an oxygen atom or a sulfur atom; R4is a hydrogen atom or a lower alkyl group; R5, R6and R7are each the same or different and a hydrogen atom, a lower alkyl group, a lower alkoxy group, a halogen atom, a nitro group or a haloalkyl group; m is an integer of 1-8; n is an integer of 1-5) or its pharmaceutically permissible salt as an active ingredient.
COPYRIGHT: (C)2005,JPO&NCIPI
需要解决的问题:获得具有选择性SIP3受体拮抗作用的化合物和含有该化合物的药物。
解决方案:所述药物包含一种由通式(1)表示的氨基丙酸衍生物(其中R1为氢原子或较低的烷基;R2为公式A;A为CO或CH2;E为氧原子或NR4;R3为较低的烷基或公式B;G为CH、氮原子或磷原子;J为氧原子或硫原子;R4为氢原子或较低的烷基;R5、R6和R7分别相同或不同,为氢原子、较低的烷基、较低的烷氧基、卤素原子、硝基或卤代烷基;m为1-8的整数;n为1-5的整数),或其药学上可接受的盐作为活性成分。
版权所有:(C)2005,JPO&NCIPI