Document Detail


A new approach to functionalize an organic compound through the influence of metal bis(dithiolene) complexes leading to ion-pair compounds exhibiting strong emission at room temperature in the visible region.
MedLine Citation:
PMID:  17140204     Owner:  NLM     Status:  PubMed-not-MEDLINE    
Abstract/OtherAbstract:
The facile oxidation of 6,12-dihydrodipyrido [1,2-alpha1',2'-d] pyrazidinium (DDP2+ = [C12H12N2]2+) chloride to cyclic quaternary ammonium monocation, 12-oxo-9H-dipyrido[1,2-alpha;1',2'-d]pyrazin-5-ium (ODP1+ = [C12H9N2O]1+) is achieved when it reacts with [M(mnt)2]2- (M=Ni2+ and Cu2+) resulting in the formation of the ion pair compounds [ODP]2[Ni(mnt)2] (1) and [ODP]2[Cu(mnt)2] (2), respectively (see Scheme 1 for the structures of [ODP]1+ and [DDP]2+). The nickel complex 1 exhibits intense emission at room temperature in the visible region, whereas, in the case of copper analogue 2, the emission gets quenched. The oxo cation ODP (known to be an unstable species and never characterized unequivocally before) is stabilized in 1 and 2 by cation-anion interactions.
Authors:
Vedichi Madhu; Samar K Das
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Inorganic chemistry     Volume:  45     ISSN:  0020-1669     ISO Abbreviation:  Inorg Chem     Publication Date:  2006 Dec 
Date Detail:
Created Date:  2006-12-04     Completed Date:  2007-02-07     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0366543     Medline TA:  Inorg Chem     Country:  United States    
Other Details:
Languages:  eng     Pagination:  10037-9     Citation Subset:  -    
Affiliation:
School of Chemistry, University of Hyderabad, Hyderabad 500046, India.
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