Preparation of o-ethylphenylhydrazine hydrochloride_Kain Industrial Additive

background and overview[1][2] o-ethylphenylhydrazine hydrochloride is an intermediate in the synthesis of the anti-inflammatory and analgesic drug etodolac. in recent years, foreign research on this type of drug has progressed rapidly. since the mid-1980s, there have been mature patents and various aspects of research are quite sufficient. however, domestic reports are relatively rare. there are…