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Article

Facile Synthesis and Redox Behavior of an Overcrowded Spirogermabifluorene

by 1,2, 3 and 1,2,3,*,†
1
Division of Chemistry, Faculty of Pure and Applied Sciences, University of Tsukuba, 1-1-1 Tennoudai, Tsukuba 305-8571, Ibaraki, Japan
2
Tsukuba Research Center for Energy Materials Sciences (TREMS), University of Tsukuba, Tsukuba 305-8571, Ibaraki, Japan
3
Graduate School of Science, Nagoya City University, Yamanohata 1, Mizuho-cho, Mizuho-ku, Nagoya 467-8501, Aichi, Japan
*
Author to whom correspondence should be addressed.
Dedicated to Toshiaki Noda on the occasion of his 75th birthday.
Academic Editors: Kazuyuki Takahashi and Martin T. Lemaire
Received: 16 September 2021 / Revised: 2 October 2021 / Accepted: 3 October 2021 / Published: 6 October 2021
(This article belongs to the Special Issue Redox-Active Ligand Complexes)
A spirogermabifluorene that bears sterically demanding 3,3′,5,5′-tetra(t-butyl)-2,2′-biphenylene groups (1) was obtained from the reaction of in-situ-generated 2,2′-dilithiobiphenylene with GeCl2·(dioxane). The solid-state structure and the redox behavior of 1 were examined by single-crystal X-ray diffraction analysis and electrochemical measurements, respectively. The sterically hindered biphenyl ligands endow 1 with high redox stability and increased electron affinity. The experimental observations were corroborated by theoretical DFT calculations. View Full-Text
Keywords: spirobifluorene; spirobigermabifluorene; spiroconjugation; germanium; biphenyl ligand; redox behavior; DFT calculations spirobifluorene; spirobigermabifluorene; spiroconjugation; germanium; biphenyl ligand; redox behavior; DFT calculations
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MDPI and ACS Style

Morisako, S.; Noro, K.; Sasamori, T. Facile Synthesis and Redox Behavior of an Overcrowded Spirogermabifluorene. Inorganics 2021, 9, 75. https://0-doi-org.brum.beds.ac.uk/10.3390/inorganics9100075

AMA Style

Morisako S, Noro K, Sasamori T. Facile Synthesis and Redox Behavior of an Overcrowded Spirogermabifluorene. Inorganics. 2021; 9(10):75. https://0-doi-org.brum.beds.ac.uk/10.3390/inorganics9100075

Chicago/Turabian Style

Morisako, Shogo, Kohsuke Noro, and Takahiro Sasamori. 2021. "Facile Synthesis and Redox Behavior of an Overcrowded Spirogermabifluorene" Inorganics 9, no. 10: 75. https://0-doi-org.brum.beds.ac.uk/10.3390/inorganics9100075

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