Synthesis, crystal structure and applications of palladium thiosalicylate complexes
Synthesis, crystal structure and applications of palladium thiosalicylate complexes
Three palladium thiosalicylate complexes [Pd(tb)(bipy)]·3H2O (1), [Pd2(tb)2(bipy)2]·(dtdb)2 (2) and [Pd2(tb)2(phen)2]·dtdb·H2O (3) (bipy = bipyridine; phen = phenanthroline) were prepared from the reaction of PdCl2(CH3CN)2 with dithiosalicylic acid (dtdb) which underwent cleavage to form thiobenzoate anion (tb) in DMF/MeOH. Square planar geometries of the complexes with a N2SO coordination type were proposed on the basis of single crystal X-ray structural study. The presence of trapped and uncoordinated dtdb was observed in complexes 2 and 3. Complexes 1–3 were evaluated as catalysts for Heck coupling reactions of methyl acrylate with iodobenzene, and showed moderate activities at a very low catalyst loading. Complex 1 was found to inhibit the growth of bacteria and scavenge free radicals efficiently.
441-449
Moosun, S.B.
6b8f3ee5-45bb-437b-81e3-911e988ef023
Blair, L.H.
72ef952d-a161-42ff-a793-545deb97c794
Coles, S.J.
3116f58b-c30c-48cf-bdd5-397d1c1fecf8
Bhowon, M.G.
25c04db0-3327-489a-87e2-0c811ad57598
Jhaumeer-Laulloo, S.
27441110-45c1-4cec-8dbd-29239a88df19
May 2017
Moosun, S.B.
6b8f3ee5-45bb-437b-81e3-911e988ef023
Blair, L.H.
72ef952d-a161-42ff-a793-545deb97c794
Coles, S.J.
3116f58b-c30c-48cf-bdd5-397d1c1fecf8
Bhowon, M.G.
25c04db0-3327-489a-87e2-0c811ad57598
Jhaumeer-Laulloo, S.
27441110-45c1-4cec-8dbd-29239a88df19
Moosun, S.B., Blair, L.H., Coles, S.J., Bhowon, M.G. and Jhaumeer-Laulloo, S.
(2017)
Synthesis, crystal structure and applications of palladium thiosalicylate complexes.
Journal of Saudi Chemical Society, 21 (4), .
(doi:10.1016/j.jscs.2015.10.003).
Abstract
Three palladium thiosalicylate complexes [Pd(tb)(bipy)]·3H2O (1), [Pd2(tb)2(bipy)2]·(dtdb)2 (2) and [Pd2(tb)2(phen)2]·dtdb·H2O (3) (bipy = bipyridine; phen = phenanthroline) were prepared from the reaction of PdCl2(CH3CN)2 with dithiosalicylic acid (dtdb) which underwent cleavage to form thiobenzoate anion (tb) in DMF/MeOH. Square planar geometries of the complexes with a N2SO coordination type were proposed on the basis of single crystal X-ray structural study. The presence of trapped and uncoordinated dtdb was observed in complexes 2 and 3. Complexes 1–3 were evaluated as catalysts for Heck coupling reactions of methyl acrylate with iodobenzene, and showed moderate activities at a very low catalyst loading. Complex 1 was found to inhibit the growth of bacteria and scavenge free radicals efficiently.
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Accepted/In Press date: 14 October 2015
e-pub ahead of print date: 19 October 2015
Published date: May 2017
Organisations:
Chemistry Research Support
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Local EPrints ID: 409837
URI: http://eprints.soton.ac.uk/id/eprint/409837
ISSN: 1319-6103
PURE UUID: 7495c422-74ec-40a6-aeae-04277267e842
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Date deposited: 01 Jun 2017 04:08
Last modified: 16 Mar 2024 03:05
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Author:
S.B. Moosun
Author:
L.H. Blair
Author:
M.G. Bhowon
Author:
S. Jhaumeer-Laulloo
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