发明名称 STABILIZED FORMULATIONS COMPRISING AMLODIPINE MALEATE
摘要 The present invention is concerned with means for stabilising amlodipine maleate of the formula: (see above formula) to prevent the formation of unwanted Michael adduct and with stabilised pharmaceutical compositions obtained thereby. For stabilising amlodipine maleate, an acid (such as maleic acid, phosphoric acid, ascorbic acid or sorbic acid) having a pK1 greater than 1.5 is employed.
申请公布号 CA2390636(C) 申请公布日期 2005.05.03
申请号 CA20022390636 申请日期 2002.06.13
申请人 PFIZER INC. 发明人 BILLOTTE, ANNE;PAVITT, SHARON;PETTMAN, ALAN JOHN;SMITH, ZENA ELIZABETH FLORENCE
分类号 C07D211/90;A61K9/14;A61K9/16;A61K9/20;A61K9/48;A61K31/375;A61K31/4422;A61K33/42;A61K47/04;A61K47/12;A61K47/22;A61K47/26;A61K47/36;A61K47/38;A61P9/10;A61P9/12;A61P43/00;(IPC1-7):A61K31/44;A61K45/08 主分类号 C07D211/90
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