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Improved and Efficient Process for the Production of Highly Pure Iloperidone: A Psychotropic Agent

机译:改进和高效的生产高纯度伊潘立酮的方法:一种精神药物

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The present work describes an improved and highly efficient process for the synthesis of iloperidone (1), an antipsychotic agent, which is free from potential impurities. The synthesis comprises N-alkylation of 1-(4-(3-chloropropoxy)-3-methoxyphenyl)ethanone (4) with 6-fluoro-3-piperidin-4-yl- 1,2-benzisoxazole hydrochloride (5) in a mixture of water and heptane as solvent and sodium hydroxide as a base in the presence of tetrabutylammonium bromide as a phase transfer catalyst to yield iloperidone (1) with a yield of around 95% and a purity of 99.80% by HPLC, The present work also describes the optimization details performed to achieve the process attributes responsible for high yield and purity.
机译:本工作描述了一种改进的高效合成伊潘立酮(1)的方法,该化合物不含潜在的杂质,是一种抗精神病药。该合成包括将1-(4-(3-氯丙氧基)-3-甲氧基苯基)乙酮(4)与6-氟-3-哌啶-4-基-1,2-苯并恶唑盐酸盐(5)进行N-烷基化。在四丁基溴化铵作为相转移催化剂的情况下,以水和庚烷为溶剂,氢氧化钠为碱的混合物,制得伊潘立酮(1),HPLC收率约为95%,纯度为99.80%。描述了为实现负责高产和高纯度的工艺属性而执行的优化细节。

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