[EN] PROCESS FOR THE PREPARATION OF STRONTIUM RANELATE, INTERMEDIATE OR HYDRATES THEREOF<br/>[FR] PROCÉDÉ DE PRÉPARATION DE RANÉLATE DE STRONTIUM, PRODUIT INTERMÉDIAIRE OU SES HYDRATES
申请人:PHARMATHEN SA
公开号:WO2013113319A1
公开(公告)日:2013-08-08
The present invention relates to an improved process for the synthesis of strontium ranelate compound of formula I or its hydrates thereof. More particularly, the present invention relates to an economically viable and industrially feasible process for the preparation of strontium ranelate, intermediate or its hydrates thereof.
[EN] PROCESS FOR THE PREPARATION OF STRONTIUM RANELATE<br/>[FR] PROCÉDÉ DE PRÉPARATION DE RANÉLATE DE STRONTIUM
申请人:RICHTER GEDEON NYRT
公开号:WO2011086399A1
公开(公告)日:2011-07-21
The present invention relates to a process for the synthesis of distrontium 5-[bis(2-oxido-2-oxoethyl)amino]-4-cyano-3-(2-oxido-2-oxoethyl)thiophene-2-carboxylate (strontium ranelate) of formula (I) starting from tetraammonium 5-[bis(2-oxido-2-oxoethyl)amino]-4-cyano-3-(2-oxido-2-oxoethyl)thiophene-2-carboxylate the novel compound of formula (II) which is also the subject of the invention.
New divalent metal salts of 2-[N,N-di(carboxymethyl)amino]-3-cyano-4-carboxymethylthiophene-5-carboxyl ic acid, which can be used therapeutically especially in the treatment of bone diseases, cutaneous and vascular ageing, hepatic diseases and dental diseases.