A catalyst don’t appear in the overall stoichiometry of the reaction it catalyzes, Computed Properties of C5H9BrO2, but it must appear in at least one of the elementary reactions in the mechanism for the catalyzed reaction. 18742-02-4, Name is 2-(2-Bromoethyl)-1,3-dioxolane, molecular formula is C5H9BrO2. In an article, author is Cai, Xinyi,once mentioned of 18742-02-4.
Copper-incorporated porous organic polymer as efficient and recyclable catalyst for azide-alkyne cycloaddition
Porous organic polymers (POPs) have attracted great attention in recent years as promising materials for heterogeneous metal catalysis. Herein, we report the facile synthesis of [2,6-bis(1,2,3-triazol-4-yl)pyridine] (BTP) functionalized porous organic polymer (PBPTP) through thiophene-based oxidative coupling. PBPTP can be successfully metalated with Cu salts to form heterogeneous Cu catalysts (CuCl-PBPTP and CuBr-PBPTP). The resulting catalysts possess micro/meso-porosities, and have Cu contents of 4.41 wt% and 3.36 wt%, respectively. Particularly, the catalyst CuBr-PBPTP showed excellent reactivity in azide-alkyne cycloaddition in aqueous media and afforded the products in 92-99% yields. Moreover, the catalyst showed outstanding stability and recyclability, which could be reused several cycles without obvious loss of its catalytic activity.
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Reference:
Copper catalysis in organic synthesis – NCBI,
,Special Issue “Fundamentals and Applications of Copper-Based Catalysts”