Herein, we report a chemoselective insertion of CO2 into unsaturated alkyne substrates under ambient conditions, which is achieved over poly (sulfobetain methacrylate) (p(SBMA)) supported Cu2O nanocatalyst (Cu2O/p(SBMA)) and a series of 3a,4-dihydronaphtho[2,3-c]furan-1(3H)-ones, can be obtained in excellent yields. Cu2O/p(SBMA) presents high performance for environment pressure activation and interpolation of CO2 into unsaturated alkyne substrates. This provides an attainable and competent catalyst for interpolation of CO2 into aryl alkynes, and binding allylic chlorides through SN2 mechanism in order to produce efficient ester and lactone heterocycles that are supposed to have favorable utilizations. All in all, these findings signify practical methods of hybrid catalyst development for detailed alterations, including CO2 employment in a green and sustainable manner.

中文翻译：

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固定在 p(SBMA) 上的 Cu2O 纳米催化剂用于协同 CO2 活化以在环境压力下提供酯类和杂环

在此，我们报告了在环境条件下将 CO2 化学选择性插入不饱和炔烃底物，这是通过聚（甲基丙烯酸磺基甜菜碱）（p（SBMA））负载的 Cu2O 纳米催化剂（Cu2O/p(SBMA)）和一系列 3a,4 -dihydronaphtho[2,3-c]furan-1(3H)-ones，可以以极好的收率获得。Cu2O/p(SBMA) 在环境压力活化和将 CO2 插入不饱和炔烃底物方面表现出高性能。这为将 CO2 插入芳基炔烃和通过 SN2 机制结合烯丙基氯提供了一种可行且有效的催化剂，以生产应该具有良好利用率的高效酯和内酯杂环。总而言之，这些发现标志着混合催化剂开发的实用方法，以进行详细的改变，