Reductive coupling reaction of aryliminomethylferrocenes FcCH = NAr[(1, Ar=QHs (a), p-ClC₆H₄ (b), p-BrC₆H₄ (c), p-CH₃C₆H₄ (d), m-ClC₆H₄ (e)] with triethyl orthoformate (2) in Zn-TiCl₄ system gave three kinds of products: 1, 3-diaryl-4, 5-diferrocenyl imidazolidines (3), N, N-disubstituted formamides (4), and 1, 2-diferrocenyl ethylene (5). ¹H NMR spectra proved that all the compounds 3 obtained were dl-isomers. All the new compounds 3 and 4 were characterized by elemental analysis, ¹H NMR, ¹³C NMR (for 3) and IR spectra. The molecular structure of 3c was determined by X-ray diffraction.

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Volume19, Issue9

September 2001

Pages 893-900

Reductive Coupling Reaction of Aryliminomethylferrocenes with Triethyl Orthoformate Induced by Low-valent Titanium

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Reductive Coupling Reaction of Aryliminomethylferrocenes with Triethyl Orthoformate Induced by Low-valent Titanium

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