申请人:FUJISAWA PHARMACEUTICAL CO., LTD.
公开号:EP0008759A2
公开(公告)日:1980-03-19
A process for preparing an 1H-indazol-3-ylacetic acid derivative of the formula:
by reacting an aminoacetic acid derivative of the formula:
with a hydrazine compound and, if desired, esterification or reacting a propionic acid derivative of the formula:
with a N-nitrosating agent, and cyclization.
一种制备式:的 1H-吲唑-3-基乙酸衍生物的工艺,其方法是使式:的氨基乙酸衍生物与肼化合物反应,并根据需要进行酯化反应,或使式:的丙酸衍生物与 N-亚硝基化剂反应,然后进行环化反应。