Transition from π Radicals to σ Radicals: Substituent-Tuned Cyclization of Hydrazonyl Radicals

Hydrazonyl radicals are known for their π‐electronic structures; however, their σ‐electronic structures have not been reported as yet. Herein, we show that readily accessible β,γ‐ and γ,δ‐unsaturated N‐trichloroacetyl and N‐trifluoroacetyl hydrazones can be conveniently converted into hydrazonyl σ r...

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Veröffentlicht in:	Angewandte Chemie International Edition 2014-03, Vol.53 (12), p.3158-3162
Hauptverfasser:	Duan, Xiao-Yong, Zhou, Neng-Neng, Fang, Ran, Yang, Xiu-Long, Yu, Wei, Han, Bing
Format:	Artikel
Sprache:	eng
Schlagworte:	Accessibility alkenes Bonding cyclization Density heterocycles Hydrazones Imines Joining Nitrogen atoms Radicals synthetic methods
Online-Zugang:	Volltext
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