Stable lansoprazole containing more than 500 ppm, up to about 3,000 ppm water and more than 200 ppm, up to about 5,000 ppm alcohol
申请人:TEVA PHARMACEUTICAL INDUSTRIES LTD.
公开号:EP1743893A1
公开(公告)日:2007-01-17
The present invention provides a stable 2-(2-pyridylmethyl) sulfinyl-1Hbenzimidazole (lansoprazole) comprising either greater than 500 ppm and not more than 3,000 ppm water and greater than 200 ppm and not more than about 5,000 ppm alcohol, or both. The present invention provides a method of preparing a stable lansoprazole as well as a pharmaceutical composition containing same. The present invention further provides a method of purifying lansoprazole that is substantially free of sulfone and sulfide derivatives.
本发明提供了一种稳定的2-(2-吡啶基甲基)亚磺酰基-1H-苯并咪唑(兰索拉唑),它包含大于500ppm且不大于3,000ppm的水和大于200ppm且不大于约5,000ppm的醇,或者两者都包含。本发明提供了一种制备稳定的兰索拉唑以及含有稳定的兰索拉唑的药物组合物的方法。本发明进一步提供了一种纯化兰索拉唑的方法,该方法基本上不含砜和砜衍生物。