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