| 发明名称 | Crystal forms of adefovir dipivoxil and processes for preparing the same | ||
| 摘要 | The present invention relates to novel Forms A, B, C, D, E, F and G of crystalline 9-[2-[phosphonomethoxy]ethyl]adenine bis-pivaloyloxymethyl ester, i.e., adefovir dipivoxil, and processes for preparing them. According to the present invention, said novel crystal forms having a high purity can be obtained by a simple method and in a high yield. | ||
| 申请公布号 | US9169257(B2) | 申请公布日期 | 2015.10.27 |
| 申请号 | US201013256197 | 申请日期 | 2010.03.26 |
| 申请人 | Daewoong Pharmaceutical Co., Ltd.;Daewoong Bio Inc. | 发明人 | Choi Soo Jin;Lee Byung Goo;Oh Seong Soo;Kim Yong Tae;Kim Kwang Joo;Kim Hye Jin |
| 分类号 | C07D473/34;C07F9/6561 | 主分类号 | C07D473/34 |
| 代理机构 | Troutman Sanders LLP | 代理人 | Sullivan Clark G.;Troutman Sanders LLP |
| 主权项 | 1. Crystalline adefovir dipivoxil (Form B) comprising a powder XRD pattern having characteristic peaks (2θ) at 7.3, 16.3, 17.2, and 22.2 degrees. | ||
| 地址 | Kyunggi-do KR | ||