Process for preparation of substituted 3'-hydroazino-diphenyl-3-carboxylic acid compounds
申请人:Upadhye Bhargav Krishnaji
公开号:US09440927B2
公开(公告)日:2016-09-13
The present invention provides a process for the preparation of substituted 3′-hydrazino-biphenyl-3-carboxylic acid compounds. The present invention further provides a process for the preparation of 3′-N′-[1-(3,4-dimethylphenyl)-3-methyl-5-oxo -1,5-dihydro-pyrazol-4-ylidene]hydrazino}-2′-hydroxybiphenyl-3-carboxylic acid, its intermediate compounds and pharmaceutically acceptable salts thereof.
本发明提供了一种制备取代的3'-肼基联苯-3-羧酸化合物的方法。本发明还提供了一种制备3'-N'-[1-(3,4-二甲基苯基)-3-甲基-5-氧代-1,5-二氢-吡唑-4-基]肼基}-2'-羟基联苯-3-羧酸及其中间体化合物和药学上可接受的盐的方法。