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dc.contributor.authorRillema, D. Paul
dc.contributor.authorKomreddy, Venugopal R.
dc.contributor.authorHuy, Nguyen
dc.identifier.citationRillema, D. P.; Komreddy, Venugopal Reddy; Nguyen, Huy From Abstracts of Papers, 254th ACS National Meeting & Exposition, Washington, DC, USA, August 20-24, 2017 (2017), INOR-561en_US
dc.descriptionClick on the URI to get the article (may not be free).en_US
dc.description.abstractA simple and efficient synthetic route for syntheses of 2-​2'-​bipyrazine (bpz) derivs. is described starting with 2-​chloropyrazine and 2-​methyl-​4-​carboxypyrazine resulting in 2,​2'-​bipyrazine, 4-​methyl-​2,​2'-​bipyrazine (mbpz)​, 4,​4'-​dimethyl-​2,​2'-​bipyrazine (dmbpz)​, 4,​4'-​dicarboxy-​2,​2'-​bipyrazine (dcbpz) and 2-​pyridyl-​2-​pyrazine (pypz)​. The bidentate ligands were ligated with Re (I) and Ru (II) to make dyes useful for harvesting solar energy and for potential therapeutic agents. The complexes to be described are: [Re(bpz)​(dppm)​(CO)​3]​+, [{Re(bpz)​(CO)​3}​2(dppe)​]​2+, Re(CO)​3(dcbpz)​Cl, Re(CO)​3(dmbpz)​Cl, Re(CO)​3(mbpz)​Cl, Re(CO)​3(pypz)​Cl and [Ru(bpz)​2(dcbpz)​]​2+ (where dppm is diphenylphosphinomethane, dppe is diphenylphosphinoethane)​. The bridged Re (I) complex was synthesized using diphenylphosphinoethane (dppe)​. These complexes were characterized by 1H NMR, mass spectra and elemental analyses. The Re (I) and Ru (II) complexes absorb in the near UV region of the spectrum and emit near 600 nm when excited into the lowest energy absorption band. Emission lifetimes detd. in a glassy matrix or in soln. varied from 100 to 400 ns.en_US
dc.publisherAmerican Chemical Societyen_US
dc.relation.ispartofseriesAbstracts of Papers of the American Chemical Society;v.254
dc.titleSimple, efficient synthetic route to 2-2 '-bipyrazine derivatives from bromopyrazine for making rhenium and ruthenium dyesen_US
dc.rights.holder© 2018 American Chemical Society. All Rights Reserved.en_US

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