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Synfacts 2005(0): 0033-0033
DOI: 10.1055/s-2005-869981
DOI: 10.1055/s-2005-869981
Synthesis of Materials and Unnatural Products
© Georg Thieme Verlag Stuttgart · New York
Preparation of Hangman Salophens
Contributor(s): Yasuhiro UozumiS.-Y. Liu, D. G. Nocera*
Massachusetts Institute of Technology, USA
Hangman Salophens
J. Am. Chem. Soc. 2005, 127: 5278-5279
Massachusetts Institute of Technology, USA
Hangman Salophens
J. Am. Chem. Soc. 2005, 127: 5278-5279
Further Information
Publication History
Publication Date:
20 July 2005 (online)
Key words
Hangman salophens - Mn-salene - PCET
Significance
Hangman Salophen-Mn (Mn-HSX) complexes were designed and prepared to elucidate structure-reactivity relationships of proton-coupled electron transfer (PCET) catalysis. A variety of Mn-HSX complexes has been prepared from dihaloxanthene via a selective mono-arylation (Suzuki-Miyaura cross-coupling) and a subsequent second cross-coupling.
Comment
Drastic electronic effects were observed in Mn-HSX-catalyzed H2O2 dismutation indicating that the PCET process is affected by the electronic perturbation of the redox site.