Process for preparing dihydroxydiphenylmethane derivatives
申请人:——
公开号:US03963732A1
公开(公告)日:1976-06-15
There is provided a new process for the preparation of esters of 4,4'-dihydroxydiphenyl-(2-pyridyl)-methane of the general formula: ##SPC1## which Wherein R.sub.1 is a hydrogen atom or a sulpho group or an acyl radical and R.sub.2 is a hydrogen atom or a carboalkoxy radical, and the salts thereof with pharmaceutically-acceptable, non-toxic inorganic and organic bases. Those compounds in wich R.sub.2 is a carboalkoxy radical are new.