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Synthesis of dialkylscandium complexes supported by β-diketiminato ligands and activation with tris (pentafluorophenyl)borane

Lookup NU author(s): Dr Mark Elsegood, Emeritus Professor Bill Clegg


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Treatment of ScCl3·THF3 with the lithium salts of the ligands ArNC(R)CHC(R)NAr, where Ar = 2,6-Pr1-C6H3 and R = CH3 and But, gives LScCl2·nTHF derivatives (R = CH3, n = 1, 1a; R = But, n = 0, 1b). These compounds can be derivatized by alkylation with methyllithium or benzylpotassium. The dibenzyl compound prepared from 1a, when treated with B(CcFc)S, gives an ion pair, 4, in which the cationic scandium center is stabilized by a η6-aryl interaction with the abstracted borate benzyl group.

Publication metadata

Author(s): Lee LWM, Piers WE, Elsegood MRJ, Clegg W, Parvez M

Publication type: Article

Publication status: Published

Journal: Organometallics

Year: 1999

Volume: 18

Issue: 16

Pages: 2947-2949

Print publication date: 02/08/1999

ISSN (print): 0276-7333

ISSN (electronic): 1520-6041

Publisher: American Chemical Society


DOI: 10.1021/om9903801


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