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Issue 18, 2018
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A stable free tetragermacyclobutadiene incorporating fused-ring bulky EMind groups

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Abstract

The first free cyclobutadiene (CBD) germanium analogue was obtained as room-temperature stable dark red crystals via the reaction of the bulky EMind-substituted 1,2-dichlorodigermene with lithium naphthalenide. The cyclic 4π-electron antiaromaticity is essentially stabilized by the polar Jahn–Teller distortion in the germanium CBD producing a planar rhombic-shaped charge-separated structure.

Graphical abstract: A stable free tetragermacyclobutadiene incorporating fused-ring bulky EMind groups

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Publication details

The article was received on 09 Dec 2017, accepted on 15 Jan 2018 and first published on 15 Jan 2018


Article type: Communication
DOI: 10.1039/C7CC09443D
Citation: Chem. Commun., 2018,54, 2200-2203
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    A stable free tetragermacyclobutadiene incorporating fused-ring bulky EMind groups

    K. Suzuki, Y. Numata, N. Fujita, N. Hayakawa, T. Tanikawa, D. Hashizume, K. Tamao, H. Fueno, K. Tanaka and T. Matsuo, Chem. Commun., 2018, 54, 2200
    DOI: 10.1039/C7CC09443D

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