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Four-Stage Amphoteric Redox Properties and Biradicaloid Character of Tetra-tert-butyldicyclopenta[b;d]thieno[1,2,3-cd;5,6,7-c′d′]diphenalene

✍ Scribed by Takashi Kubo; Maki Sakamoto; Minako Akabane; Yoshinori Fujiwara; Kagetoshi Yamamoto; Motoko Akita; Katsuya Inoue; Takeji Takui; Kazuhiro Nakasuji

Publisher: John Wiley and Sons
Year: 2004
Tongue: English
Weight: 347 KB
Volume: 43
Category: Article
ISSN: 0044-8249
DOI: 10.1002/anie.200460565

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✦ Synopsis

Dedicated to Emeritus Professor Ichiro Murata on the occasion of his 75th birthday

Phenalenyl-based hydrocarbons possess highly amphoteric redox properties that give low oxidation and high reduction potentials and afford stable multivalent redox species. [1] These compounds have frontier orbitals with a nonbonding molecular orbital (NBMO) character that results from a weak perturbation between singly occupied molecular orbitals (SOMOs) of the phenalenyl radical and the frontier orbitals of a central conjugated system. This perturbation leads to a [

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Four-Stage Amphoteric Redox Properties a

Four-Stage Amphoteric Redox Properties and Biradicaloid Character of Tetra-tert-butyldicyclopenta[b;d]thieno[1,2,3-cd;5,6,7-c′d′]diphenalene

✍ Takashi Kubo; Maki Sakamoto; Minako Akabane; Yoshinori Fujiwara; Kagetoshi Yamam 📂 Article 📅 2004 🏛 John Wiley and Sons 🌐 English ⚖ 346 KB

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Tetra-tert-butyl-as-indaceno[1,2,3-cd:6,7,8-c′d′]diphenalene: a four-stage amphoteric redox system

✍ Takashi Kubo; Kagetoshi Yamamoto; Kazuhiro Nakasuji; Takeji Takui 📂 Article 📅 2001 🏛 Elsevier Science 🌐 French ⚖ 110 KB

Tetra-tert-butyl-as-indaceno[1,2,3-cd:6,7,8-c%d%]diphenalene (TTB-as-IDPL) was prepared and found to behave as a four-stage amphoteric redox compound. The properties of its five redox states were investigated.