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核心技术专利:CN118964589B侵权必究
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温和可持续酰胺烷基化反应协议实现广泛的正交范围。

Mild Sustainable Amide Alkylation Protocol Enables a Broad Orthogonal Scope.

机构信息

Department of Chemistry, University of California, Riverside, 501 Big Springs Road, Riverside, California92521, United States.

出版信息

J Org Chem. 2022 Sep 16;87(18):12036-12040. doi: 10.1021/acs.joc.2c01028. Epub 2022 Aug 24.


DOI:10.1021/acs.joc.2c01028
PMID:36001807
Abstract

Herein, the development of a mild sustainable protocol to couple primary alkyl chlorides and bromides with amides is described. In contrast to current methodologies, our system does not require the use of strongly basic conditions, high temperatures, or the addition of an organometallic catalyst, thereby enabling access to a remarkably orthogonal scope. KPO is used to facilitate the formation of secondary and tertiary amides, which are ubiquitous scaffolds in bioactive molecules and natural products. Alkylated amide products are obtained in good to excellent yields, with no substantial limitations observed based on the steric and electronic properties of either coupling partner.

摘要

本文描述了一种温和可持续的方法,用于将伯卤代烷与酰胺偶联。与当前的方法相比,我们的体系不需要使用强碱条件、高温或添加有机金属催化剂,从而能够实现显著的正交范围。KPO 用于促进仲酰胺和叔酰胺的形成,这些酰胺是生物活性分子和天然产物中常见的支架。烷基化酰胺产物的产率良好至优秀,而且根据偶联伙伴的空间和电子性质,没有观察到明显的限制。

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