55104-65-9Relevant articles and documents
Process for preparing dihydroxydiphenylmethane derivatives
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, (2008/06/13)
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 R1 is a hydrogen atom or a sulpho group or an acyl radical and R2 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 R2 is a carboalkoxy radical are new.