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专利信息
专利号:WO-2006021326-A1
优先权日:2004-08-27
标题:Process and intermediates for the selective synthesis of fluvastatin
发明人:ZHU GUORONG; GONG HONGQUAN; BECKER STEFAN
权利人:ZHEJIANG HISUN PHARMACEUTICAL; TIEFENBACHER PHARMACHEMIKALIEN; ZHU GUORONG; GONG HONGQUAN; BECKER STEFAN
摘要:The invention relates to process for the selective preparation of 3-hydroxy-6-dialkoxyphosphoryl-5-oxo-hexanoic acid esters, comprising a first step, in which a methylphosphonic acid dialkylester is treated with a base, and a second step, in which the product of the primary reaction is reacted with an optionally 3-protected 3-hydroxy-1,5-pentanoic diacid ester.
专利号:EP-1799642-A1
优先权日:2004-08-27
标 题:Process and intermediates for the selective synthesis of fluvastatin