Acid-mediated activation of modified ring-closing metathesis catalysts |
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| Authors: | Seyoung Kim In Seon Lim Sang-gi Lee |
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| Institution: | a Department of Chemistry, College of Natural Sciences, Seoul National University, Seoul 151-747, South Korea
b Division of NanoScience, Ewha Womans University, Seoul 120-750, South Korea |
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| Abstract: | To improve the reactivity of Grubbs catalyst, novel ligands were designed and synthesized which possess nitrogen-containing heterocycles such as imidazole and pyridine. The modified catalysts were treated with a range of acids and the acid salt forms were used as catalysts for ring-closing metathesis (RCM) reactions. As a result, reactions employing the acid-modified catalysts showed considerable reactivity enhancement in RCM. |
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