Homoleptic Lanthanide Triple-Deckers of 5,15-Diazaporphyrin with <i>D</i><sub>2</sub><i><sub>h</sub></i> Symmetry
journal contribution
posted on 2004-12-27, 00:00 authored by Na Pan, Yongzhong Bian, Takamitsu Fukuda, Masaki Yokoyama, Renjie Li, Saburo Neya, Jianzhuang Jiang, Nagao KobayashiTwo novel homoleptic diazaporphyrinato lanthanide sandwich com-plexes M<sub>2</sub>(DAP)<sub>3</sub> [M = Ce (<b>1</b>), Eu (<b>2</b>); DAP= 2,8,12,18-tetra-ethyl-3,7,13,17-tetramethyl-5,15-diazaporphyrinate] were synthesized by a one-pot reaction of the corresponding M(acac)<sub>3</sub>·<i>n</i>H<sub>2</sub>O
(acac = acetylacetonate) with metal-free <i>D</i><sub>2</sub><i><sub>h</sub></i> type diazaporphyrin,
H<sub>2</sub>DAP. The spectroscopic and electrochemical properties are
compared with those of complexes based on <i>D</i><sub>4</sub><i><sub>h</sub></i> symmetry
porphyrin ligands.
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