申请人:Imperial Chemical Industries Limited
公开号:US04066651A1
公开(公告)日:1978-01-03
Novel 1,2-dihydro-2-oxoquinol-4-ylalkanoic acid derivatives bearing a variety of substituents on the quinoline nucleus but including, at position 1, an aromatic radical linked directly or through a C.sub.1-4 -alkylene or a C.sub.2-4 -alkenylene radical. Representative compounds of the invention are 1-(3,4-dichlorobenzyl)-3-methyl-1,2-dihydro-2-oxoquinol-4-ylacetic acid and .alpha.-(1-benzyl-1,2-dihydro-2-oxoquinol-4-yl)propionic acid. The compounds possess anti-inflammatory or analgesic properties, or are inhibitors of the enzyme aldose reductase.
新颖的1,2-二氢-2-氧基喹啉-4-基烷酸衍生物在喹啉核上带有各种取代基,但在位置1处包括一个芳香基团,通过直接连接或通过C.sub.1-4-烷基或C.sub.2-4-烯基基团连接。该发明的代表性化合物包括1-(3,4-二氯苯基)-3-甲基-1,2-二氢-2-氧基喹啉-4-基乙酸和α-(1-苄基-1,2-二氢-2-氧基喹啉-4-基)丙酸。这些化合物具有抗炎或镇痛性质,或者是醛糖还原酶的抑制剂。