Methods for making a dolastatin, auristatin or related compounds comprising the steps of providing a universal dolastatin core of Formula (I) reacting the C-terminal carboxylic acid group with an amine (A) to form an amide bond and reacting the N-terminal amine with a carboxylic acid (CA) to form an amide bond, wherein the steps can be performed in either order. Also provided are an isolated salt of the universal dolastatin core for use in preparation of dolastatins, auristatins and related compounds. Also provided are a number of intermediates and process steps which are useful for the preparation of high purity dolastatin core and high purity dolastatin and auristatin compounds.
制备多拉斯塔汀、奥利斯塔汀或相关化合物的方法包括以下步骤:提供通用多拉斯塔汀核心的公式(I),将C末端
羧酸基团与胺(A)反应形成酰胺键,并将N末端胺基与
羧酸(CA)反应形成酰胺键,其中这些步骤可以以任意顺序执行。还提供了通用多拉斯塔汀核心的孤立盐,用于制备多拉斯塔汀、奥利斯塔汀和相关化合物。还提供了一些中间体和工艺步骤,可用于制备高纯度的多拉斯塔汀核心和高纯度的多拉斯塔汀和奥利斯塔汀化合物。