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 |
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代理人 |
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主权项 |
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地址 |
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