申请人:Pfizer Inc.
公开号:US04868301A1
公开(公告)日:1989-09-19
Oxophthalazinyl acetic acids having aldose reductase inhibitory properties of the formula ##STR1## wherein Z is hydrogen or methyl, U is S, CH.sub.2 or a covalent bond, and R.sup.1, R.sup.3, R.sup.4, R.sup.5 and R.sup.6 are as herein defined, are prepared by reacting an intermediate oxophthalazinyl acetic acid ester having a cyano or alkylamido group with an aniline derivative of the formula ##STR2## Processes for the preparation of the intermediate oxophthalazinyl acetic esters are disclosed.
具有醛糖还原酶抑制性质的氧代萘噻唑乙酸的化学式为##STR1##其中Z为氢或甲基,U为S,CH.sub.2或共价键,R.sup.1,R.sup.3,R.sup.4,R.sup.5和R.sup.6如所定义,通过将具有氰基或烷基酰胺基团的中间体氧代萘噻唑乙酸酯与化合物的苯胺衍生物反应而制得。本文还揭示了制备中间体氧代萘噻唑乙酸酯的过程。