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Access to 3D Alicyclic Amine-Containing Fragments through Transannular C–H Arylation
Synlett ( IF 1.7 ) Pub Date : 2019-02-05 , DOI: 10.1055/s-0037-1610861
Melissa Lee 1 , Ashley Adams 2 , Philip B Cox 2 , Melanie S Sanford 1
Affiliation  

In this Letter, we adapt a recently reported Pd-catalyzed transannular C(sp3)–H arylation of alicyclic amines for applications in fragment-based drug discovery (FBDD). We apply this method to the synthesis of a series of 6-arylated 3-azabicyclo[3.1.0]hexanes that are rule-of-three compliant fragments. Several modifications were made to the Pd-catalyzed C–H arylation method to enhance its utility in fragment synthesis. These include the use of microwave heating to shorten reaction times to under 1 h and the development of new approaches for directing group cleavage. Finally, we demonstrate that this fragment library falls within desirable physicochemical space for FBDD applications.

中文翻译:

通过跨环 C-H 芳基化获得 3D 脂环胺含片段

在这封信中,我们采用了最近报道的 Pd 催化的脂环胺跨环 C(sp3)-H 芳基化,用于基于片段的药物发现 (FBDD)。我们将这种方法应用于一系列 6-arylated 3-azabicyclo[3.1.0]hexanes 的合成,这些化合物是符合三规则的片段。对 Pd 催化的 C-H 芳基化方法进行了一些修改,以增强其在片段合成中的实用性。其中包括使用微波加热将反应时间缩短至 1 小时以下,以及开发指导基团裂解的新方法。最后,我们证明该片段库属于 FBDD 应用的理想物理化学空间。
更新日期:2019-02-05
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