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NNP‐Type Pincer Imidazolylphosphine Ruthenium Complexes: Efficient Base‐Free Hydrogenation of Aromatic and Aliphatic Nitriles under Mild Conditions
Author(s) -
Adam Rosa,
Alberico Elisabetta,
Baumann Wolfgang,
Drexler HansJoachim,
Jackstell Ralf,
Junge Henrik,
Beller Matthias
Publication year - 2016
Publication title -
chemistry – a european journal
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.687
H-Index - 242
eISSN - 1521-3765
pISSN - 0947-6539
DOI - 10.1002/chem.201504709
Subject(s) - pincer movement , benzonitrile , ruthenium , chemistry , catalysis , base (topology) , medicinal chemistry , organic chemistry , polymer chemistry , mathematics , mathematical analysis
A series of seven novel N Im N H P‐type pincer imidazolylphosphine ruthenium complexes has been synthesized and fully characterized. The use of hydrogenation of benzonitrile as a benchmark test identified [RuHCl(CO)(N Im N H P t Bu )] as the most active catalyst. With its stable Ru−BH 4 analogue, in which chloride is replaced by BH 4 , a broad range of (hetero)aromatic and aliphatic nitriles, including industrially interesting adiponitrile, has been hydrogenated under mild and base‐free conditions.