申请人:CHIA TAI TIANQING PHARMACEUTICAL GROUP CO., LTD.
公开号:US20190211021A1
公开(公告)日:2019-07-11
Provided are a preparation method for a chiral pyrrolopyrimidine compound and a related intermediate. In the method, a compound of formula A and a compound of formula 6 or a salt thereof are reacted to obtain a compound of formula 7 or a compound of formula 14, and a compound of formula I is prepared from the compound of formula 7 or the compound of formula 14. Also provided are the intermediate used, a preparation method for the intermediate and a use of the intermediate in the preparation of the compound of formula I. The preparation method has characteristics such as brief steps, a high stereoselectivity, a high utilization ratio of atoms, mild reaction conditions and a convenient post-treatment. The method avoids using an expensive asymmetric reaction catalyst, and is suitable for industrial production.
提供了手性吡咯吡嘧啶化合物的制备方法及相关中间体。在该方法中,化合物A和化合物6或其盐反应得到化合物7或化合物14,从化合物7或化合物14制备出化合物I。还提供了所使用的中间体、中间体的制备方法以及中间体在制备化合物I中的用途。该制备方法具有步骤简洁、立体选择性高、原子利用率高、反应条件温和、后处理方便等特点。该方法避免使用昂贵的不对称反应催化剂,适用于工业生产。