Structural Studies of 2,6-Diacetyl- and 2,6-Diformylpyridine Bis(thiosemicarbazones)
Although a large number of crystal structures of heterocyclic thiosemicarbazones have recently appeared in the literature, few structures of heterocyclic bis(thiosemicarbazones) or their metal complexes have been reported. Complexes of iron(II), indium(III), tin(IV), bismuth(III) involve bis(thiosem...
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2002-01-01
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doaj-2044be8ab5584fcdba3d47ba2dc56e202020-11-24T23:11:38ZengSociedade Brasileira de QuímicaJournal of the Brazilian Chemical Society0103-50532002-01-011311018Structural Studies of 2,6-Diacetyl- and 2,6-Diformylpyridine Bis(thiosemicarbazones)Brown Christine A.Kaminsky WernerClaborn Kacey A.Goldberg Karen I.West Douglas X.Although a large number of crystal structures of heterocyclic thiosemicarbazones have recently appeared in the literature, few structures of heterocyclic bis(thiosemicarbazones) or their metal complexes have been reported. Complexes of iron(II), indium(III), tin(IV), bismuth(III) involve bis(thiosemicarbazones) coordinating as N3S2 pentadentate ligands, often resulting in 7-coordinate complexes. In contrast, complexes with zinc(II) are often binuclear with thiosemicarbazone moieties of a bis(thiosemicarbazone) coordinating to two different zinc centers. Also included in this study is the structure of the first complex with a 2,6-diformylpyridine bis(thiosemicarbazone) ligand, a 4-coordinate nickel(II) complex with unusual coordination.http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-50532002000100003bis(thiosemicarbazones)2,6-diacetylpyridine2,6-diformylpyridinecrystal structuresmetal complexes |
collection |
DOAJ |
language |
English |
format |
Article |
sources |
DOAJ |
author |
Brown Christine A. Kaminsky Werner Claborn Kacey A. Goldberg Karen I. West Douglas X. |
spellingShingle |
Brown Christine A. Kaminsky Werner Claborn Kacey A. Goldberg Karen I. West Douglas X. Structural Studies of 2,6-Diacetyl- and 2,6-Diformylpyridine Bis(thiosemicarbazones) Journal of the Brazilian Chemical Society bis(thiosemicarbazones) 2,6-diacetylpyridine 2,6-diformylpyridine crystal structures metal complexes |
author_facet |
Brown Christine A. Kaminsky Werner Claborn Kacey A. Goldberg Karen I. West Douglas X. |
author_sort |
Brown Christine A. |
title |
Structural Studies of 2,6-Diacetyl- and 2,6-Diformylpyridine Bis(thiosemicarbazones) |
title_short |
Structural Studies of 2,6-Diacetyl- and 2,6-Diformylpyridine Bis(thiosemicarbazones) |
title_full |
Structural Studies of 2,6-Diacetyl- and 2,6-Diformylpyridine Bis(thiosemicarbazones) |
title_fullStr |
Structural Studies of 2,6-Diacetyl- and 2,6-Diformylpyridine Bis(thiosemicarbazones) |
title_full_unstemmed |
Structural Studies of 2,6-Diacetyl- and 2,6-Diformylpyridine Bis(thiosemicarbazones) |
title_sort |
structural studies of 2,6-diacetyl- and 2,6-diformylpyridine bis(thiosemicarbazones) |
publisher |
Sociedade Brasileira de Química |
series |
Journal of the Brazilian Chemical Society |
issn |
0103-5053 |
publishDate |
2002-01-01 |
description |
Although a large number of crystal structures of heterocyclic thiosemicarbazones have recently appeared in the literature, few structures of heterocyclic bis(thiosemicarbazones) or their metal complexes have been reported. Complexes of iron(II), indium(III), tin(IV), bismuth(III) involve bis(thiosemicarbazones) coordinating as N3S2 pentadentate ligands, often resulting in 7-coordinate complexes. In contrast, complexes with zinc(II) are often binuclear with thiosemicarbazone moieties of a bis(thiosemicarbazone) coordinating to two different zinc centers. Also included in this study is the structure of the first complex with a 2,6-diformylpyridine bis(thiosemicarbazone) ligand, a 4-coordinate nickel(II) complex with unusual coordination. |
topic |
bis(thiosemicarbazones) 2,6-diacetylpyridine 2,6-diformylpyridine crystal structures metal complexes |
url |
http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-50532002000100003 |
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