申请人:GHARDA CHEMICALS LIMITED
公开号:US10202352B2
公开(公告)日:2019-02-12
The present disclosure relates to an improved diazotization process for the preparation of 5-amino-3-cyano-1-(2,6-dichloro-4-trifluoromethylphenyl) pyrazole.
本公开涉及一种用于制备 5-氨基-3-氰基-1-(2,6-二氯-4-三氟甲基苯基)吡唑的改进重氮化工艺。