发明名称 PROCESS FOR PREPARING ENTECAVIR AND ITS INTERMEDIATES
摘要 A process of making entecavir comprising converting a compound of formula (M5) to entecavir, wherein the two PGs on the formula (M5) are taken together to form an optionally substituted six- or seven-member cyclic ring.
申请公布号 EP2536724(A4) 申请公布日期 2013.07.10
申请号 EP20110744983 申请日期 2011.02.16
申请人 SCINOPHARM TAIWAN, LTD. 发明人 HU, TSUNG-CHENG;HUANG, HUNG-TSUNG
分类号 C07D473/18;C07C35/06;C07C69/03;C07D307/20;C07D307/33 主分类号 C07D473/18
代理机构 代理人
主权项
地址