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Toward Metathesis Reactions on Vinylphosphaalkenes
Authors:Elisabet Öberg  Andreas Orthaber  Marie-Pierre Santoni  Fredrick Howard  Sascha Ott
Institution:Department of Chemistry , ?ngstr?m Laboratories, Uppsala University, Box 523 , 75120 , Uppsala , Sweden E-mail: sascha.ott@kemi.uu.se
Abstract:Abstract

Attempts to utilize C-ethylenic phosphaalkenes in metathesis reactions are discussed. Unprecedented reactivity is observed where the vinylphosphaalkene undergoes the first step of the catalytic cycle and cross-metathesis with the phenylmethylene moiety of Grubbs 2nd generation catalyst. However, homo-metathesis reaction to form 1,6-diphosphahexa-1,3,5-triene is not observed, presumably due to steric constraints.
Keywords:Phosphaalkene  olefin  π-conjugation  metathesis
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