Formation and Structure of a Bis(cyclopentadienyl)(formamidinato)zirconium Cation Complex
Formation and Structure of a Bis(cyclopentadienyl)(formamidinato)zirconium Cation Complex
Cornelißen, Carsten; Erker, Gerhard; Kehr, Gerald; Fröhlich, Roland
2004-12-01 00:00:00
AbstractDeprotonation of N,N’-dicyclohexylformamidine with methyl lithium yields dicyclohexylformamidinyl lithium (8a).The X-ray crystal structure analysis of 8ashows an unsymmetically formamidinato-bridged THF-stabilized dimer in the crystal. Treatment of diphenylformamidinyl lithium (8b) with Cp2ZrCl2 gives the (K2 N, N’ -dicyclohexylformamidinato Cp2ZrCH3 (7a). Treatment of (K2 N, N’ -diphenylformamidinato)Cp2ZrCH3 (7b) with [Bu3NH+][BPh4−] gave the salt [(K2 N, N’ -diphenylformamidinato)Cp2Zr+][BPh4 −] (9B). Its X-ray crystal structure analysis revealed a symmetrical bonding of the formamidinato ligand to the zirconium metal center.
http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.pngZeitschrift für Naturforschung Bde Gruyterhttp://www.deepdyve.com/lp/de-gruyter/formation-and-structure-of-a-bis-cyclopentadienyl-formamidinato-0HooQYzpZI
Formation and Structure of a Bis(cyclopentadienyl)(formamidinato)zirconium Cation Complex
AbstractDeprotonation of N,N’-dicyclohexylformamidine with methyl lithium yields dicyclohexylformamidinyl lithium (8a).The X-ray crystal structure analysis of 8ashows an unsymmetically formamidinato-bridged THF-stabilized dimer in the crystal. Treatment of diphenylformamidinyl lithium (8b) with Cp2ZrCl2 gives the (K2 N, N’ -dicyclohexylformamidinato Cp2ZrCH3 (7a). Treatment of (K2 N, N’ -diphenylformamidinato)Cp2ZrCH3 (7b) with [Bu3NH+][BPh4−] gave the salt [(K2 N, N’ -diphenylformamidinato)Cp2Zr+][BPh4 −] (9B). Its X-ray crystal structure analysis revealed a symmetrical bonding of the formamidinato ligand to the zirconium metal center.
To get new article updates from a journal on your personalized homepage, please log in first, or sign up for a DeepDyve account if you don’t already have one.
All DeepDyve websites use cookies to improve your online experience. They were placed on your computer when you launched this website. You can change your cookie settings through your browser.