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Missling, Christopher U.; Sünkel, Karlheinz; Langhals, Heinz ORCID: 0000-0002-8038-4547; Beck, Wolfgang ORCID: 0000-0002-2605-3376 (2017): Organometallic Lewis Acids, Part LXII[1]. Chiral Carbonyl-Cyclopentadienyl-Triphenylphosphine-Iron and -Ruthenium Complexes with Tertiary Nitriles [CpM(CO)(PPh3) (N C-(CRRR3)-R-1-R-2)](+) BF4- (M = Fe, Ru). In: Zeitschrift für Anorganische und Allgemeine Chemie, Vol. 643, No. 20: pp. 1262-1268
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A series of tertiary nitriles was synthesized by alkylation of acetonitrile, primary and secondary nitriles, using alkylbromides and sodium amide in liquid ammonia. By reaction of the in situ formed organometallic Lewis acids [CpM(CO)(PPh3)](+) (M = Fe, Ru) with the novel tertiary nitriles, the complexes [CpM(CO)(PPh3)(NC C-(CRRR3)-R-1-R-2]BF4 were obtained. A di-iron complex was formed with 1,6-dicyanohexane.