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Synthesis, Characterization and Catalytic Application of Iron Complexes Modified by Monodentate Phosphane Ligands

✍ Scribed by Michael Haberberger; Elisabeth Irran; Stephan Enthaler

Publisher
John Wiley and Sons
Year
2011
Tongue
English
Weight
392 KB
Volume
2011
Category
Article
ISSN
1434-1948

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✦ Synopsis

Abstract

In the present study, the properties of new monodentate phosphane ligands with a N,N‐diphenyl‐1__H__‐pyrrol‐1‐amine moiety have been investigated. The ligands are easily accessible by lithiation of N,N‐diphenyl‐1__H__‐pyrrol‐1‐amine in the 2‐position and by quenching with phosphane chlorides (2: R = __t__Bu, 3: R = Ph). After characterization of the ligands, their coordination to iron carbonyls has been studied. The ligands coordinate through the phosphorus in a monodentate fashion to the iron to realize complexes with the (L)Fe(CO)~4~ motif. Initial catalytic experiments have been performed; the iron‐catalyzed reduction of alkynes to alkenes with excellent selectivities to the corresponding alkenes has been achieved.

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