The present invention relates to compositions and methods for preparing pharmaceutical compositions. In some embodiments, the invention includes compounds and methods of resolving chiral compounds. In some embodiments, the invention includes chiral and crystalline compositions and hydrates. In some embodiments, the invention contemplates compositions comprising camptothecin derivatives and synthetic intermediates thereof. In some embodiments, the invention includes methods of protecting, inserting, modifying, separating isomers, and removing chemical groups.
本发明涉及制备药物组合物的组合物和方法。在某些实施例中,该发明包括化合物和解决手性化合物的方法。在某些实施例中,该发明包括手性和晶体组合物和
水合物。在某些实施例中,该发明考虑包括
紫杉醇衍
生物及其合成中间体的组合物。在某些实施例中,该发明包括保护、插入、修改、分离异构体和去除
化学基团的方法。