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Versatile coordination modes of 2-(Diformylmethylene)-3,3-dimethylindole towards late-transition-metal ions: C-H bond activation and formation of cyclic acyl-palladium(ii) complexes

The reaction of the potential multidentate ligand, 2-(diformylmethylene)-3,3-dimethylindole (diformyl), with M(OAc)(2) (M = Co-II, Ni-II, Cu-II, Zn-II, Cd-II, and Pd-II) afforded a series of metal complexes with different nuclearity in which the mono-deprotonated diformyl behaves as an N,O-bidentate...

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Main Authors: Khaledi, H., Olmstead, M.M., Ali, Hapipah Mohd
Format: Article
Published: 2011
Subjects:
QD Chemistry
Online Access:http://eprints.um.edu.my/5221/
http://onlinelibrary.wiley.com/store/10.1002/ejic.201100052/asset/2394_ftp.pdf?v=1&t=h9fc3t41&s=97dd1735478f260cf20c9948ddfa4262d7a781dd
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spelling my.um.eprints.52212019-01-30T00:53:15Z http://eprints.um.edu.my/5221/ Versatile coordination modes of 2-(Diformylmethylene)-3,3-dimethylindole towards late-transition-metal ions: C-H bond activation and formation of cyclic acyl-palladium(ii) complexes Khaledi, H. Olmstead, M.M. Ali, Hapipah Mohd QD Chemistry The reaction of the potential multidentate ligand, 2-(diformylmethylene)-3,3-dimethylindole (diformyl), with M(OAc)(2) (M = Co-II, Ni-II, Cu-II, Zn-II, Cd-II, and Pd-II) afforded a series of metal complexes with different nuclearity in which the mono-deprotonated diformyl behaves as an N,O-bidentate chelate or N,O,O-tridentate chelating-bridging agent. The bonding modes of the ligand and thus the structures could be modified to some extent by further treatment of the complexes with an ancillary ligand (methanol, pyridine, or 4,4'-bipyridine). In the case of the palladium(II) complex, the pyridine and 4,4'-bipyridine adducts yielded C, N-chelation of the metal ion through the aldehyde carbon and indolic nitrogen of the doubly deprotonated diformyl. The resulting acylpalladium complexes were further bridged into polymeric structures when the dianionic diformyl behaved as a C, N, O-chelating-bridging ligand. 2011 Article PeerReviewed Khaledi, H. and Olmstead, M.M. and Ali, Hapipah Mohd (2011) Versatile coordination modes of 2-(Diformylmethylene)-3,3-dimethylindole towards late-transition-metal ions: C-H bond activation and formation of cyclic acyl-palladium(ii) complexes. European Journal of Inorganic Chemistry (15). pp. 2394-2404. ISSN 1434-1948 http://onlinelibrary.wiley.com/store/10.1002/ejic.201100052/asset/2394_ftp.pdf?v=1&t=h9fc3t41&s=97dd1735478f260cf20c9948ddfa4262d7a781dd 10.1002/ejic.201100052
institution Universiti Malaya
building UM Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Malaya
content_source UM Research Repository
url_provider http://eprints.um.edu.my/
topic QD Chemistry
spellingShingle QD Chemistry
Khaledi, H.
Olmstead, M.M.
Ali, Hapipah Mohd
Versatile coordination modes of 2-(Diformylmethylene)-3,3-dimethylindole towards late-transition-metal ions: C-H bond activation and formation of cyclic acyl-palladium(ii) complexes
description The reaction of the potential multidentate ligand, 2-(diformylmethylene)-3,3-dimethylindole (diformyl), with M(OAc)(2) (M = Co-II, Ni-II, Cu-II, Zn-II, Cd-II, and Pd-II) afforded a series of metal complexes with different nuclearity in which the mono-deprotonated diformyl behaves as an N,O-bidentate chelate or N,O,O-tridentate chelating-bridging agent. The bonding modes of the ligand and thus the structures could be modified to some extent by further treatment of the complexes with an ancillary ligand (methanol, pyridine, or 4,4'-bipyridine). In the case of the palladium(II) complex, the pyridine and 4,4'-bipyridine adducts yielded C, N-chelation of the metal ion through the aldehyde carbon and indolic nitrogen of the doubly deprotonated diformyl. The resulting acylpalladium complexes were further bridged into polymeric structures when the dianionic diformyl behaved as a C, N, O-chelating-bridging ligand.
format Article
author Khaledi, H.
Olmstead, M.M.
Ali, Hapipah Mohd
author_facet Khaledi, H.
Olmstead, M.M.
Ali, Hapipah Mohd
author_sort Khaledi, H.
title Versatile coordination modes of 2-(Diformylmethylene)-3,3-dimethylindole towards late-transition-metal ions: C-H bond activation and formation of cyclic acyl-palladium(ii) complexes
title_short Versatile coordination modes of 2-(Diformylmethylene)-3,3-dimethylindole towards late-transition-metal ions: C-H bond activation and formation of cyclic acyl-palladium(ii) complexes
title_full Versatile coordination modes of 2-(Diformylmethylene)-3,3-dimethylindole towards late-transition-metal ions: C-H bond activation and formation of cyclic acyl-palladium(ii) complexes
title_fullStr Versatile coordination modes of 2-(Diformylmethylene)-3,3-dimethylindole towards late-transition-metal ions: C-H bond activation and formation of cyclic acyl-palladium(ii) complexes
title_full_unstemmed Versatile coordination modes of 2-(Diformylmethylene)-3,3-dimethylindole towards late-transition-metal ions: C-H bond activation and formation of cyclic acyl-palladium(ii) complexes
title_sort versatile coordination modes of 2-(diformylmethylene)-3,3-dimethylindole towards late-transition-metal ions: c-h bond activation and formation of cyclic acyl-palladium(ii) complexes
publishDate 2011
url http://eprints.um.edu.my/5221/
http://onlinelibrary.wiley.com/store/10.1002/ejic.201100052/asset/2394_ftp.pdf?v=1&t=h9fc3t41&s=97dd1735478f260cf20c9948ddfa4262d7a781dd
_version_ 1643687518384685056
score 13.211869

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