Issue 18, 2002

Highly labile cationic tris-acetonitrile complexes, [TpRM(NCMe)3]OTf (M = Ni, Co; TpR: hydrotrispyrazolylborato, R = Ph, Me and iPr2): versatile precursors for TpR-containing nickel and cobalt complexes

Abstract

The cationic tris-MeCN adducts of TpRM fragments, [TpRM(NCMe)3]OTf [TpR = hydrotrispyrazolylborato, R = 3-Ph-5-Me (1), 3,5-iPr2 (1′); M = Ni, Co], were prepared by chloride abstraction from the corresponding chloro complexes, TpRM–Cl (2), with AgOTf in acetonitrile. The MeCN ligands in 1 and 1′ are labile enough to be readily converted to a variety of adducts, [TpRM(L)n]OTf, via treatment with N- and P-donors [NC(CH2)2CN, p-NCC6H4CN, pyridine, o-bipy, p-bipy, Ph2P(CH2)mPPh2 (m = 2, 3)].

Graphical abstract: Highly labile cationic tris-acetonitrile complexes, [TpRM(NCMe)3]OTf (M = Ni, Co; TpR: hydrotrispyrazolylborato, R = Ph, Me and iPr2): versatile precursors for TpR-containing nickel and cobalt complexes

Supplementary files

Article information

Article type
Paper
Submitted
05 Apr 2002
Accepted
18 Jul 2002
First published
28 Aug 2002

J. Chem. Soc., Dalton Trans., 2002, 3529-3538

Highly labile cationic tris-acetonitrile complexes, [TpRM(NCMe)3]OTf (M = Ni, Co; TpR: hydrotrispyrazolylborato, R = Ph, Me and iPr2): versatile precursors for TpR-containing nickel and cobalt complexes

K. Uehara, S. Hikichi and M. Akita, J. Chem. Soc., Dalton Trans., 2002, 3529 DOI: 10.1039/B203377C

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