Altering the Allowed/Forbidden Gap in Cyclobutene Electrocyclic Reactions:  Experimental and Theoretical Evaluations of the Effect of Planarity Constraints

The allowed conrotatory cyclobutene ring-opening has a distinctly nonplanar carbon skeleton. Classic experiments by Brauman and Archie, and by Freedman et al., placed the allowed/forbidden gap at greater than 15 kcal/mol. Wolfgang Roth proposed that a system forced to planarity might have a smaller...

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Veröffentlicht in:	Journal of the American Chemical Society 2003-05, Vol.125 (19), p.5839-5848
Hauptverfasser:	Lee, Patrick S, Sakai, Shogo, Hörstermann, Peter, Roth, Wolfgang R, Kallel, E. Adam, Houk, K. N
Format:	Artikel
Sprache:	eng
Schlagworte:	Chemistry Exact sciences and technology Kinetics and mechanisms Organic chemistry Reactivity and mechanisms
Online-Zugang:	Volltext
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