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Strategies for access to enantiomerically pure ecadotril, dexecadotril and fasidotril: a review.
Mini-Reviews in Medicinal Chemistry ( IF 3.3 ) Pub Date : 2002-10-09 , DOI: 10.2174/1389557023406133
Thierry Monteil 1 , Denis Danvy , Miryam Sihel , Richard Leroux , Jean-Christophe Plaquevent
Affiliation  

Ecadotril and dexecadotril are powerful and selective inhibitors of neprilysin (NEP, EC 3.4.24.11) and are being developed as therapeutic agents, since they behave as prodrugs of the enantiomers of thiorphan. They exhibit different pharmaceutical profiles (intestinal antisecretatory action for the (R) enantiomer, i.e. dexecadotril, and cardiovascular activity for the (S) enantiomer, i.e. ecadotril). Fasidotril is a related compound which has special interest as an equipotent dual inhibitor of NEP and ACE (EC 3.4.15.1). This behavior confers on fasidotril powerful pharmaceutical properties in the cardiovascular field. This review deals with various synthetic approaches, either published or patented, for access to the enantiomerically pure or highly enriched forms of these drugs. Thus, different methods have been studied, which are taken from different methodologies of resolution procedures and asymmetric synthesis, namely : i- Synthesis from a chiron from the chiral pool ii- Chemical resolution of racemic precursors iii- Enzymatic resolution and desymmetrization of meso starting materials iv- Asymmetric synthesis, including enantioselective catalytic hydrogenation, alkaloid catalyzed asymmetric Michael additions, and diastereoselective alkylation of a chiral derivative. Some of these methods are used in industrial processes leading to the indicated compounds.

中文翻译:

获得对映体纯的依卡地普,龙胆草素和法西多曲的策略:审查。

Ecadotril和dexecadotril是强大的选择性脑啡肽酶抑制剂(NEP,EC 3.4.24.11),由于它们可作为噻菌灵对映异构体的前体药物而被开发为治疗剂。它们表现出不同的药物特性((R)对映异构体,即地非那多的肠道抗分泌作用,以及(S)对映异构体,即依卡地普的心血管活性)。Fasidotril是一种相关化合物,作为NEP和ACE的等价双重抑制剂特别受关注(EC 3.4.15.1)。这种行为赋予了法西多利在心血管领域的强大药物特性。这篇综述涉及已公开或已获得专利的各种合成方法,以获取这些药物的对映体纯或高度浓缩形式。因此,研究了不同的方法,分别来自拆分程序和不对称合成的不同方法,即:i-从手性池中的卡隆子合成ii-外消旋前体的化学拆分iii-内消旋原料的酶促拆分和脱对称化iv-不对称合成,包括对映选择性催化氢化,生物碱催化的不对称Michael加成和手性衍生物的非对映选择性烷基化。这些方法中的某些方法用于工业过程中,以得到指定的化合物。包括对映选择性催化加氢,生物碱催化的不对称迈克尔加成以及手性衍生物的非对映选择性烷基化。这些方法中的某些方法用于工业过程中,以得到指定的化合物。包括对映选择性催化氢化,生物碱催化的不对称Michael加成反应以及手性衍生物的非对映选择性烷基化反应。这些方法中的某些方法用于工业过程中,以得到指定的化合物。
更新日期:2019-11-01
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