95053-31-9Relevant academic research and scientific papers
Metal Complexes of Functional Isocyanides, IX: N-Isocyanoimines: Syntheses and Reactions at the Metal
Weinberger, Bernd,Degel, Fritz,Fehlhammer, Wolf Peter
, p. 51 - 65 (2007/10/02)
The (isocyanimino)triphenylphosphorane complexes M(CO)5CNNPPh3 (M = Cr (2a), W (2b)) react with aldehydes and ketones in the presence of acids to give the N-isocyanoimine complexes M(CO)5CN-N=CRR'(3a-k).A bis(isocyanoimine) complex, (CO)5WCNNC(Me)CH2CH2C(Me)NNCW(CO)5 (3l), results from the reaction of 2,5-hexanedione with 2b.Further complexes M(CO)5L (L = 1, M = Cr (3m), Mo (3n), W ( 3o)), Mo(CO)4L2 (L = 1 (3p)), and PdX2L2 (L = 1, X = Cl (3q), Br (3r), I (3s)) have been synthesized by the reaction of the free ligand CNNC(Me)C6H4OMe-(4) (1) with metal compounds.The IR, Raman, VIS/UV, 1H NMR, and mass spectra of the new complexes are reported.The unsymmetrically dialkyl-substituted 3e exists as a mixture of the E,Z isomers while only one isomer is detected for the aryl derivatives 3i,k and m-o. - Methylamine adds to the isocyano group of the N-isocyanoimine ligand affording the open-chain amino(hydrazono)carbene complexes 4a-d; no further cyclisation to give 1,2,4-triazolidinylidene ligands occurred.
