ISSN:
0009-2940
Keywords:
Neodymium complexes
;
Cyclopentadienyl, substituted and functionalized
;
Volatility
;
Chemistry
;
Inorganic Chemistry
Source:
Wiley InterScience Backfile Collection 1832-2000
Topics:
Chemistry and Pharmacology
Notes:
Complexes of the Lanthanides, IV[1]. - Alkyl-and Donor-substituted Cyclopentadienyl Complexes of NeodymiumNeodymium trichloride reacts with the potassium salt K(DoCH2CH2Cp) (2c, Do=OMe; 2d, Do=NMe2) of the functionalized cyclopentadienyls in THF to yield the sublimable homoleptic complexes Nd(DoCH2CH2Cp)3 (3c, d). Under the same conditions, K(iBuCp) (2a) yields the adduct Nd(i1-BuCp)3(THF) (3a′), which is obtained free of THF by thermal treatment. The silylamide route is applied to synthesize the homoleptic neopentylcyclopentadienyl derivative Nd-(NeopCp)3 (3b). The alkyl-substituted complexes, particularly the isobutyl derivative, show a remarkable volatility. The first solvent-free, monomeric complex of the type „LnCp2Cl“, namely Nd(Me2NCH2CH2Cp)2Cl (4), is obtained from NdCl3 and two equivalents of 2d.
Additional Material:
3 Ill.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1002/cber.19931260208
