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.
本发明涉及一种在
喹啉环上带有各种取代基的新型1,2-二氢-2-氧
喹啉-4-基
脂肪酸衍
生物,但在位置1处包括一个芳基基团,该基团通过C.sub.1-4-烷基或C.sub.2-4-烯基烷基直接或间接连接。本发明的代表化合物包括1-(3,4-二
氯苯甲基)-3-甲基-1,2-二氢-2-氧
喹啉-4-
乙酸和α-(1-苄基-1,2-二氢-2-氧
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。