发明名称 A METHOD FOR PREPARING A SALT OF ETHANESULPHONIC ACID 2 - [N-NICOTINAMIDE] AND SALTS OF SAID COMPOUND
摘要 <p>The present invention concerns a method for preparing a salt of ethanesulphonic acid 2-[N-nicotinamide] comprising at least one step wherein the triethylammonium salt of ethanesulphonic acid 2-[N-nicotinamide] is obtained. A specific embodiment of the invention is a method for preparing the triethylammonium salt of ethanesulphonic acid 2-[N-nicotinamide] which involves obtaining the mixed anhydride of nicotinic acid and alkyl chloroformiate, and making said mixed anhydride react with taurine in the presence of triethylamine.</p>
申请公布号 WO2008123760(A1) 申请公布日期 2008.10.16
申请号 WO2008MX00050 申请日期 2008.04.10
申请人 TECHSPHERE, S.A. DE C.V.;MARTIN LAGUENS, RUBEN;GABRIEL ZEITUNE, MOISES 发明人 MARTIN LAGUENS, RUBEN;GABRIEL ZEITUNE, MOISES
分类号 C07D213/82;C07C303/32;C07C309/15 主分类号 C07D213/82
代理机构 代理人
主权项
地址