NNP-Type Pincer Imidazolylphosphine Ruthenium Complexes: Efficient Base-Free Hydrogenation of Aromatic and Aliphatic Nitriles under Mild Conditions

Rosa Adam, Elisabetta Alberico, Wolfgang Baumann, Hans Joachim Drexler, Ralf Jackstell, Henrik Junge, Matthias Beller

Research output: Contribution to journalArticlepeer-review

53 Scopus citations

Abstract

A series of seven novel NImNHP-type pincer imidazolylphosphine ruthenium complexes has been synthesized and fully characterized. The use of hydrogenation of benzonitrile as a benchmark test identified [RuHCl(CO)(NImNHPtBu)] as the most active catalyst. With its stable Ru-BH4 analogue, in which chloride is replaced by BH4, a broad range of (hetero)aromatic and aliphatic nitriles, including industrially interesting adiponitrile, has been hydrogenated under mild and base-free conditions.

Original languageEnglish
Pages (from-to)4991-5002
Number of pages12
JournalChemistry - A European Journal
Volume22
Issue number14
DOIs
StatePublished - 24 Mar 2016
Externally publishedYes

Keywords

  • N P ligands
  • homogeneous catalysis
  • hydrogenation
  • ruthenium
  • synthesis design

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