Lithium Bis(pentafluorophenyl)amide — Syntheses and Structural Characterization of its Complexes with Diethyl Ether and THF

2004 
The title compound, viz. (C6F5)2NLi was prepared as dimeric complexes with Et2O or THF by the reaction of (C6F5)2NH (DFDPA) with n-BuLi. Identity and structures were established by elemental analyses, 1H, 13C, and 19F NMR spectroscopy, and IR spectroscopy. The crystal structures of dimeric [(C6F5)2NLi(Et2O)]2 (1) and [(C6F5)2NLi(THF)]2 (2) were determined by X-ray diffraction methods. >Lithium Bis(pentafluorphenyl)amid — Synthese und strukturelle Charakterisierung der Komplexe mit Diethylether und THF Die Titelverbindung, (C6F5)2NLi, wurde in Form dimerer Komplexe mit Et2O oder THF durch Reaktion von (C6F5)2NH (DFDPA) mit n-BuLi erhalten. Die Charakterisierung erfolgte uber Elementaranalyse, 1H-, 13C-, und 19F-NMR und IR-Spektroskopie. Die Festkorperstrukturen des dimeren [(C6F5)2NLi(Et2O)]2 (1) und [(C6F5)2NLi(THF)]2 (2) wurden mittels Einkristall-Rontgenbeugungsmethoden ermittelt.
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