发明名称 |
Purification of taxanes |
摘要 |
Disclosed is a method of crystallizing a taxane comprising combining the taxane and methylene chloride to obtain a solution and adding an anti-solvent to the solution to obtain a crystalline taxane, wherein the anti-solvent is selected from the group consisting of hexane and heptane. |
申请公布号 |
US9303004(B2) |
申请公布日期 |
2016.04.05 |
申请号 |
US201414188416 |
申请日期 |
2014.02.24 |
申请人 |
Phyton Holdings, LLC |
发明人 |
Johnson James H.;Sambandam T. G.;Hand Barry J.;Howe Christopher D.;Franke Roland R.;Bucher Brian A.;Juchum John S.;Gallagher Rex T.;Plante Marc A.;Desimone, III Edward M.;Yang Dong S. |
分类号 |
C07D305/00;C07D305/14;C07D407/12 |
主分类号 |
C07D305/00 |
代理机构 |
Norton Rose Fulbright US LLP |
代理人 |
Norton Rose Fulbright US LLP |
主权项 |
1. A method of crystallizing docetaxel comprising:
(a) combining docetaxel and at least one solubilizing solvent selected from the group consisting of methyl-tert-butyl ether, tetrahydrofuran (THF), methanol, ethanol, isopropyl alcohol, and acetonitrile to obtain a solution; and (b) adding an anti-solvent to the solution to obtain a crystalline docetaxel. |
地址 |
San Antonio TX US |