Nickel/Zinc Iodide Co-catalytic Asymmetric [2+2] Cycloaddition Reactions of Azabenzonorbornadienes with Terminal Alkynes,Advanced Synthesis & Catalysis

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Nickel/Zinc Iodide Co-catalytic Asymmetric [2+2] Cycloaddition Reactions of Azabenzonorbornadienes with Terminal Alkynes
Advanced Synthesis & Catalysis ( IF 4.4 ) Pub Date : 2017-11-23 09:18:33 , DOI: 10.1002/adsc.201701133
Jingchao Chen ₁ , Xin Xu ₁ , Zhenxiu He ₁ , Hongyu Qin ₁ , Weiqing Sun ₁ , Baomin Fan _{1,

2}

Affiliation

The asymmetric [2+2] cycloaddition reactions of alkenes with alkynes are interesting as it has provided a powerful method for the construction of fused and strained cyclobutenes with multiple chiral centers. In this paper, we report the establishment of a dual catalysts system comprising nickel and zinc, which allowed the asymmetric [2+2] cycloaddition reactions of azabenzonorbornadienes with terminal alkynes in good yields and excellent enantioselectivities.

中文翻译：

氮杂苯并降冰片二烯与末端炔烃的镍/碘化锌共催化不对称[2 + 2]环加成反应

烯烃与炔烃的不对称[2 + 2]环加成反应很有趣，因为它为构建具有多个手性中心的稠合和应变环丁烯提供了一种有力的方法。在本文中，我们报告建立了包含镍和锌的双重催化剂体系，该体系允许氮杂苯并降冰片二烯与末端炔烃的不对称[2 + 2]环加成反应，且收率高，对映选择性优异。

更新日期：2017-11-23

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