A stable free tetragermacyclobutadiene incorporating fused-ring bulky EMind groups

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...

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Published inChemical communications (Cambridge, England) Vol. 54; no. 18; pp. 2200 - 2203
Main Authors Suzuki, Katsunori, Numata, Yasuyuki, Fujita, Naoko, Hayakawa, Naoki, Tanikawa, Tomoharu, Hashizume, Daisuke, Tamao, Kohei, Fueno, Hiroyuki, Tanaka, Kazuyoshi, Matsuo, Tsukasa
Format Journal Article
LanguageEnglish
Published England Royal Society of Chemistry 01.01.2018
Subjects
Lithium
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Summary: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.
Bibliography:ObjectType-Article-1
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ISSN:1359-7345
1364-548X
DOI:10.1039/c7cc09443d