Suppr超能文献

利用多功能试剂支架实现芳基金属的快速杂原子转移。

Rapid heteroatom transfer to arylmetals utilizing multifunctional reagent scaffolds.

机构信息

Department of Chemistry, Rice University, BioScience Research Collaborative, Houston, Texas 77005, USA.

Department of Chemistry and Biochemistry, Brigham Young University, Provo, Utah 84602, USA.

出版信息

Nat Chem. 2017 Jul;9(7):681-688. doi: 10.1038/nchem.2672. Epub 2016 Nov 28.

Abstract

Arylmetals are highly valuable carbon nucleophiles that are readily and inexpensively prepared from aryl halides or arenes and widely used on both laboratory and industrial scales to react directly with a wide range of electrophiles. Although C-C bond formation has been a staple of organic synthesis, the direct transfer of primary amino (-NH) and hydroxyl (-OH) groups to arylmetals in a scalable and environmentally friendly fashion remains a formidable synthetic challenge because of the absence of suitable heteroatom-transfer reagents. Here, we demonstrate the use of bench-stable N-H and N-alkyl oxaziridines derived from readily available terpenoid scaffolds as efficient multifunctional reagents for the direct primary amination and hydroxylation of structurally diverse aryl- and heteroarylmetals. This practical and scalable method provides one-step synthetic access to primary anilines and phenols at low temperature and avoids the use of transition-metal catalysts, ligands and additives, nitrogen-protecting groups, excess reagents and harsh workup conditions.

摘要

芳基金属是非常有价值的碳亲核试剂,可通过芳基卤化物或芳烃轻松且廉价地制备,广泛用于实验室和工业规模,直接与多种亲电试剂反应。尽管 C-C 键形成一直是有机合成的主要内容,但由于缺乏合适的杂原子转移试剂,以可扩展且环保的方式将伯氨基(-NH)和羟基(-OH)基团直接转移到芳基金属上仍然是一项艰巨的合成挑战。在这里,我们证明了使用来自易得萜烯骨架的稳定的 N-H 和 N-烷基恶唑啉作为有效多功能试剂,可直接对结构多样的芳基和杂芳基金属进行伯胺化和羟化反应。这种实用且可扩展的方法可在低温下一步合成伯苯胺和苯酚,避免使用过渡金属催化剂、配体和添加剂、氮保护基团、过量试剂和苛刻的后处理条件。

相似文献

3
Iodine(III) Reagents in Radical Chemistry.碘(III)试剂在自由基化学中的应用。
Acc Chem Res. 2017 Jul 18;50(7):1712-1724. doi: 10.1021/acs.accounts.7b00148. Epub 2017 Jun 21.
4
Exploration of new C-O electrophiles in cross-coupling reactions.交叉偶联反应中新的 C-O 亲电试剂的探索。
Acc Chem Res. 2010 Dec 21;43(12):1486-95. doi: 10.1021/ar100082d. Epub 2010 Sep 17.
8
Visible Light Mediated Photoredox Catalytic Arylation Reactions.可见光介导的光氧化还原催化芳基化反应。
Acc Chem Res. 2016 Aug 16;49(8):1566-77. doi: 10.1021/acs.accounts.6b00229. Epub 2016 Aug 2.

引用本文的文献

10
Direct Primary Amination of Alkylmetals with NH-Oxaziridine.与 NH-恶唑啉直接烷基化一级胺。
Org Lett. 2018 Dec 21;20(24):8064-8068. doi: 10.1021/acs.orglett.8b03734. Epub 2018 Dec 10.

本文引用的文献

3
Electrophilic amination: the case of nitrenoids.亲电胺化反应:氮宾的情况
Chemistry. 2015 Mar 27;21(14):5278-300. doi: 10.1002/chem.201405779. Epub 2015 Jan 15.
4
Advances in the chemistry of oxaziridines.氮杂环丙烷化学的进展。
Chem Rev. 2014 Aug 27;114(16):8016-36. doi: 10.1021/cr400611n. Epub 2014 Apr 22.
7
SET-induced biaryl cross-coupling: an S(RN)1 reaction.SET 诱导的联芳交叉偶联:S(N)1 反应。
J Org Chem. 2014 Mar 21;79(6):2771-4. doi: 10.1021/jo500222d. Epub 2014 Mar 6.

文献检索

告别复杂PubMed语法,用中文像聊天一样搜索,搜遍4000万医学文献。AI智能推荐,让科研检索更轻松。

立即免费搜索

文件翻译

保留排版,准确专业,支持PDF/Word/PPT等文件格式,支持 12+语言互译。

免费翻译文档

深度研究

AI帮你快速写综述,25分钟生成高质量综述,智能提取关键信息,辅助科研写作。

立即免费体验