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公开(公告)号:US20160237021A1
公开(公告)日:2016-08-18
申请号:US15025056
申请日:2014-09-22
发明人: Shekhar Bhaskar BHIRUD , Kumar Hari BHUSHAN , H M Veerabhadra SWAMY , Dilipkumar Jibhau PATIL , Avikumar Digambar DABE
摘要: The present invention relates to a process for the preparation of dimethyl fumarate, a compound of formula I, in a purity of at least 99.0% as determined by HPLC, containing less than 400 ppm of an anion of a mineral acid and less than 5 ppm of dimethyl maleate.
摘要翻译: 本发明涉及一种制备富马酸二甲酯的方法,该方法通过HPLC测定纯度至少为99.0%,含有少于400ppm的无机酸阴离子和小于5ppm的式I化合物 的马来酸二甲酯。