Tuning the Catalyst Reactivity of Imidazolylidene Catalysts through Substituent Effects on the N‑Aryl Groups

A series of imidazolium salts with various N-aryl groups were synthesized, and their catalytic activities were evaluated to investigate the contribution of the N-aryl groups to the catalytic activity in the synthesis of γ-butyrolactone through an a3→d3-umpolung addition. Imidazolylidenes with 2,6-di...

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Veröffentlicht in:	Organic letters 2017-05, Vol.19 (10), p.2750-2753
Hauptverfasser:	Kyan, Ryuji, Sato, Kohei, Mase, Nobuyuki, Watanabe, Naoharu, Narumi, Tetsuo
Format:	Artikel
Sprache:	eng
Online-Zugang:	Volltext
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