Kanady, Jacob S. and Tsui, Emily Y. and Lin, Po-Heng and Agapie, Theodor (2014) Strategies for synthesizing Mn_4CaOn models relevant to biological water oxidation. In: 248th American Chemical Society National Meeting & Exposition, August 10-14, 2014, San Francisco, CA. https://resolver.caltech.edu/CaltechAUTHORS:20140813-084102380
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Abstract
The biol. site of water oxidn.-the oxygen-evolving complex (OEC) of photosystem II-is a Mn_4CaO_5 heterometallic cluster, proposed to contain a Mn-_3CaO_4 cubane / open cubane unit with a fourth, dangling Mn bridged to the cubane through two oxido ligands. In past work we synthesized a Mn_3CaO_4 cubane supported by three acetates and a 1, 3,5-triarylbenzene framework contg. six pyridines and three alkoxides. More recently, incorporation of a fifth metal center has been targeted to complete the Mn_4Ca stoichiometry. A desymmetrized Mn_3CaO_4 complex has been made with reactivity complementary to the parent, sym. complex; synthetic strategies from this desymmetrized complex toward more accurate Mn4Ca models of the OEC will be discussed. Redox and acid/base reactivity will also be discussed, as both are relevant to the mechanism of water oxidn.
| Item Type: | Conference or Workshop Item (Paper) | ||||||
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| Alternate Title: | Strategies for synthesizing Mn4CaOn models relevant to biological water oxidation | ||||||
| Additional Information: | © 2014 American Chemical Society. | ||||||
| Record Number: | CaltechAUTHORS:20140813-084102380 | ||||||
| Persistent URL: | https://resolver.caltech.edu/CaltechAUTHORS:20140813-084102380 | ||||||
| Usage Policy: | No commercial reproduction, distribution, display or performance rights in this work are provided. | ||||||
| ID Code: | 48473 | ||||||
| Collection: | CaltechAUTHORS | ||||||
| Deposited By: | Tony Diaz | ||||||
| Deposited On: | 13 Aug 2014 16:07 | ||||||
| Last Modified: | 09 Mar 2020 13:19 |
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