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A directly ring-to-ring linked ferrocene-pseudotitanocene complex

Publication at Faculty of Science, Central Library of Charles University |
1999

Abstract

A novel Ti-Fe heterobimetallic complex is obtained by a cyclohexadienyl ligand-forming reaction. Addition of excess ferrocenylacetylene (FcC=CH) to [eta(5)-(C5H5)Ti][mu:eta(2):eta(2)-C-2(SiMe3)(2)](2)[eta(5)-(C5H5)Mg] (1) affords the novel ferrocene - pseudotitanocene complex [eta(5)-1,2,5,6-tetrakis(trimethylsilyl)-4-ferrocenylcyclohexa-1,4-dienyl](eta(5)-cyclopentadienyl)titanium(II), [eta(5)-(Me3Si)(4)FcC(6)H(2)]Ti(eta(5)-C5H5) (2), as the sole isolated titanium-containing product.

Its structure was established by EI MS, NMR and UV-vis spectroscopy. The formation of 2 follows the general reaction route of terminal acetylenes with 1.