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Direct or catalytic condensation of diacylferrocenes (acyl=formyl, acetyl, and benzoyl) and anilines or benzylamines with titanium tetrachloride as a catalyst resulted in the corresponding diimines 1–3, respectively. Reduction of these imines with sodium borohydride or lithium aluminum hydride/aluminum chloride in THF yielded 1,1′-bis[(N-phenyl)aminomethyl(ethyl)]ferrocenes (4, 5) and 1,1′-bis[(N-benzyl)aminobenzyl]ferrocenes...
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