Cu-histidinyl catalysts for mild and efficient propargylic alcohol carboxylation with CO2
Résumé
Propargylic alcohol cyclizing carboxylation with CO2 at atmospheric pressure was catalyzed by a nanocluster, Cu(I)4(histidinyl)4Ga(I)I. excess His, abbreviated Cu-Ga, at 50 °C, providing α-alkylidene cyclic carbonates in good yields. The nanocluster Cu-Ga supported in ZIF-8, noted Cu-Ga/ZIF-8, heterogeneously catalyzed this cyclizing carboxylation of various terminal propargyl alcohols and was recycled five time without significant yield decrease.
Domaines
Chimie de coordination
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1-s2.0-S2950486425000024-main.pdf (4.68 Mo)
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1-s2.0-S2950486425000024-mmc1.pdf (1.66 Mo)
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