Transition metal-catalyzed alkyl-alkyl bond formation: Another dimension in cross-coupling chemistry.

Transition metal-catalyzed alkyl-alkyl bond formation: Another dimension in cross-coupling chemistry.
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DOI:
10.1126/science.aaf7230
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发表时间:
2017-04-14
期刊:
Science (New York, N.Y.)
影响因子:
--
通讯作者:
Fu GC
Fu GC
中科院分区:
其他
文献类型:
--
作者:
Choi J;Fu GC

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由于大多数有机分子的主链主要由碳-碳键组成,因此开发有效的构建方法是有机合成的核心挑战之一。过渡金属催化的有机亲电试剂和亲核试剂之间的交叉偶联反应是实现碳-碳键形成的特别有力的工具。直到最近,绝大多数的交叉偶联过程采用芳基或烯基亲电试剂作为偶联伴侣之一。在过去的15年中,已经开发出了多功能的新方法,这些方法可以实现烷基亲电试剂阵列的交叉偶联,从而大大扩展了易于获得的靶分子的多样性。偶联烷基亲电试剂的能力打开了立体化学维度的大门,该立体化学维度显著增强了交叉偶联方法的已经显著的效用,特别是外消旋亲电试剂的对映会聚偶联。
Because the backbone of most organic molecules is composed primarily of carbon–carbon bonds, the development of efficient methods for their construction is one of the central challenges of organic synthesis. Transition-metal-catalyzed cross-coupling reactions between organic electrophiles and nucleophiles serve as particularly powerful tools for achieving carbon–carbon bond formation. Until recently, the vast majority of cross-coupling processes had employed either aryl or alkenyl electrophiles as one of the coupling partners. In the past 15 years, versatile new methods have been developed that effect cross-couplings of an array of alkyl electrophiles, thereby greatly expanding the diversity of target molecules that are readily accessible. The ability to couple alkyl electrophiles opens the door to a stereochemical dimension that significantly enhances the already remarkable utility of cross-coupling processes, specifically, enantioconvergent couplings of racemic electrophiles.
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期刊: ORGANIC LETTERS
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