Preparation of a Solid-Phase Polyketide Synthase Mimic

描述（由申请人提供）：聚酮类化合物是一类对人类健康有巨大影响的小分子。这一类的一些天然产物和衍生物具有丰富的药理特性，从抗癌到抗生素，甚至抗胆固醇活性。制备这些分子的标准方法包括发酵和全合成。本提案概述了一种受聚酮合酶启发的聚酮合成新方法，聚酮合酶是自然界中用于制备该类分子的酶机制。该方法将利用固体支撑模板通过硫酯之间的脱羧克莱森反应来拉长生长的聚酮链。如果成功，该方法可以为合成聚酮类化合物的迭代、标准化方法奠定基础，为天然产物及其衍生物的自动化合成开辟道路。

DESCRIPTION (provided by applicant): Polyketides represent a class of small molecules that has had an enormous impact on the human condition. Several natural products and derivatives of this class possess a wealth of pharmacological properties from anti-cancer to antibiotic and even anti-cholesterol activity. Standard methods to prepare these molecules include fermentation and total synthesis. This proposal outlines a new method for the general synthesis of polyketides that is inspired by polyketide synthase, the enzymatic machinery that is utilized in Nature to prepare molecules of this class. This method would capitalize on the use of a solid-supported template to elongate a growing polyketide chain via decarboxylative Claisen reactions between thioesters. If successful, this method could lay the groundwork for an iterative, standardized method for the synthesis polyketides, opening avenues for automated synthesis of natural products and derivatives thereof.