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Two tetranuclear Mn...
Two tetranuclear Mn-complexes as biomimetic models of the oxygen evolving complex in Photosystem II - A synthesis, characterisation and reactivity study
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Berggren, Gustav (författare)
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Thapper, Anders (författare)
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Anderlund, Magnus (författare)
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- Eriksson, Lars (författare)
- Stockholms universitet,Institutionen för fysikalisk kemi, oorganisk kemi och strukturkemi
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Huang, Ping (författare)
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Kurz, Philipp (författare)
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Styring, Stenbjörn (författare)
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(creator_code:org_t)
- Royal Society of Chemistry (RSC), 2009
- 2009
- Engelska.
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Ingår i: Dalton Transactions. - : Royal Society of Chemistry (RSC). - 1477-9226 .- 1477-9234. ; 45, s. 10044-10054
- Relaterad länk:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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https://urn.kb.se/re...
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Abstract
Ämnesord
Stäng
- In this work we report the preparation of two metallamacrocyclic tetranuclear manganese(II) complexes, [L1(4)Mn(4)](ClO4)(4) and [L2(4)Mn(4)](ClO4)(4) where L1 and L2 are the anions of the heptadentate ligands 2-((2-(bis(pyridin-2-ylmethyl) amino) ethyl)(methyl) amino) acetic acid and 2-(benzyl(2-(bis(pyridin-2-ylmethyl) amino) ethyl) amino) acetic acid), respectively. The complexes have been fully characterized by ESI-MS, elemental analysis, single-crystal X-ray diffraction, magnetic susceptibility, and EPR spectroscopy. Electrochemical reactions as well as reactions with different chemical redox reagents have been performed and a reversible two electron oxidation per manganese ion has been identified. The reaction of [L1(4)Mn(4)](ClO4)(4) with oxone or cerium(IV) results in the evolution of oxygen which makes this system interesting for future studies in the search for a functional mimic of the oxygen evolving complex in Photosystem II.
Ämnesord
- NATURVETENSKAP -- Kemi -- Fysikalisk kemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences -- Physical Chemistry (hsv//eng)
- NATURVETENSKAP -- Kemi -- Oorganisk kemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences -- Inorganic Chemistry (hsv//eng)
Nyckelord
- DINUCLEAR MANGANESE COMPLEX; WATER-OXIDATION; FUNCTIONAL-MODEL; EVOLUTION; SPECTROSCOPY
- LIGANDS
- CHEMISTRY
- MECHANISM
- EXCHANGE
- CLUSTER
- Physical chemistry
- Fysikalisk kemi
- Materials Chemistry
- materialkemi
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- art (ämneskategori)
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