Solid-supported cross-coupling catalysts derived from homogeneous nickel and palladium coordination complexesElectronic supplementary information (ESI) available: Synthesis of the complexes and crystallographic data for 1 and 2. See http://www.rsc.org/suppdata/dt/b3/b316553c/
- 25 March 2004
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in Dalton Transactions
- No. 9,p. 1348-1357
- https://doi.org/10.1039/b316553c
Abstract
Solid-supported catalysts derived from homogeneous nickel(II) and palladium(II) non-symmetrical salen-type coordination complexes have been prepared and shown to be effective in the heterogeneous catalysis of carbon–carbon cross-coupling reactions. The nickel catalyst has been used in room-temperature Tamao–Kumada–Corriu reactions and the palladium catalyst in the Heck reaction at elevated temperatures. The complexes were prepared by improved methods and characterised by spectroscopic techniques. Comparisons between the solid-supported catalysts and their homogeneous analogues are reported. The single-crystal structure determination of the nickel and palladium complexes [M(salenac-OH)] [M = Ni, Pd; salenac-OH = 9-(2′,4′-dihydroxyphenyl)-5,8-diaza-4-methylnona-2,4,8-trienato](2−)] is reported.Keywords
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