申请人:Wang Ping
公开号:US08658789B2
公开(公告)日:2014-02-25
A method for preparing the linezolid (compound 1), which comprises the steps of: (1) carrying out the debenzyl reaction of compound 4 in solvent, to obtain the compound 5 or its acetic acid salt; (2) carrying out the acetylation reaction in the amino of the compound 5 or its acetic acid salt obtained in step (1) in solvent to obtain the compound 1. The intermediates to prepare the compound 1 and the acetic acid salt of compound 5. The present preparation method is easy to obtain the chiral materials and the chiral materials are cheap, the process and the post treatment are simple, the intermediate products and the end product are easy to be purified, the total yield is high, their purities are also high, this preparation method is easy to be used in the industry manufacture.
一种制备利奈唑胺(化合物1)的方法,包括以下步骤:(1)在溶剂中进行化合物4的去苄基反应,得到化合物5或其乙酸盐;(2)在溶剂中对步骤(1)中获得的化合物5或其乙酸盐的氨基进行乙酰化反应,得到化合物1。中间体用于制备化合物1和化合物5的乙酸盐。该制备方法易于获得手性材料和手性材料价格便宜,过程和后处理简单,中间产物和终产品易于纯化,总收率高,纯度也高,该制备方法易于工业生产使用。