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Keywords = 9,10-disila-9,10-dihydroanthracene

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14 pages, 5202 KB  
Article
9,10-Difluoro-9,10-disila-9,10-dihydroanthracene
by Mirei Kawamoto and Takahiro Sasamori
Inorganics 2026, 14(1), 23; https://doi.org/10.3390/inorganics14010023 - 7 Jan 2026
Cited by 2 | Viewed by 1139
Abstract
9,10-Disila-9,10-dihydroanthracenes have attracted significant attention due to their unique electronic structures, characterized by an extended π-system facilitated by σ-π conjugation. Here, we report the synthesis of 9,10-bis(p-methoxyphenyl)-9,10-disila-9,10-dihydroanthracene, which serves as a crucial precursor for the preparation of the corresponding difluoro derivative. [...] Read more.
9,10-Disila-9,10-dihydroanthracenes have attracted significant attention due to their unique electronic structures, characterized by an extended π-system facilitated by σ-π conjugation. Here, we report the synthesis of 9,10-bis(p-methoxyphenyl)-9,10-disila-9,10-dihydroanthracene, which serves as a crucial precursor for the preparation of the corresponding difluoro derivative. This conversion is achieved through a selective deanisyl-fluorination at the silicon centers using HBF4. A key finding is the successful isolation of the cis-isomer of 9,10-difluoro-9,10-disila-9,10-dihydroanthracenes as a crystalline compound. This allowed for definitive structural characterization by single-crystal X-ray diffraction (SC-XRD) analysis, providing precise geometric insights into this electronically fascinating framework. Full article
(This article belongs to the Section Organometallic Chemistry)
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