[EN] METHOD FOR PREPARING PHENYLOXYMETHYL-NITRO-IMIDAZOLE DERIVATIVES AND USE OF SAME [FR] PROCÉDÉ DE PRÉPARATION DE DÉRIVÉS PHÉNYLOXYMÉTHYL-NITRO-IMIDAZOLE ET LEUR UTILISATION
[EN] METHOD FOR PREPARING PHENYLOXYMETHYL-NITRO-IMIDAZOLE DERIVATIVES AND USE OF SAME [FR] PROCÉDÉ DE PRÉPARATION DE DÉRIVÉS PHÉNYLOXYMÉTHYL-NITRO-IMIDAZOLE ET LEUR UTILISATION
METHOD FOR PREPARING PHENYLOXYMETHYL-NITRO-IMIDAZOLE DERIVATIVES AND USE OF SAME
申请人:Sanofi
公开号:EP2922822A1
公开(公告)日:2015-09-30
US9758488B2
申请人:——
公开号:US9758488B2
公开(公告)日:2017-09-12
[EN] METHOD FOR PREPARING PHENYLOXYMETHYL-NITRO-IMIDAZOLE DERIVATIVES AND USE OF SAME<br/>[FR] PROCÉDÉ DE PRÉPARATION DE DÉRIVÉS PHÉNYLOXYMÉTHYL-NITRO-IMIDAZOLE ET LEUR UTILISATION
申请人:DRUGS FOR NEGLECTED DISEASES INITIATIVE DNDI
公开号:WO2014079497A1
公开(公告)日:2014-05-30
Fexinidazole is prepared according to a method which comprises the following steps: a) reacting 1-methyl-2-hydroxymethyl-5-nitro-imidazole with methanesulfonyl chloride in the presence of a suspension of powdered alkaline carbonate in an anhydrous organic solvent suitable for performing nucleophile substitution reactions; b) adding to the resulting reaction medium a solution of 4-methyl-mercapto-phenol in the same organic solvent as referred to in step a); c) separating fexinidazole from the reaction mixture as its hydrochloride salt and d) converting said hydrochloride salt into fexinidazole and optionally, purifying the latter.