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 | Zendy

Kubo Takashi | Zendy; Sakamoto Maki | Zendy; Akabane Minako | Zendy; Fujiwara Yoshinori | Zendy; Yamamoto Kagetoshi | Zendy; Akita Motoko | Zendy; Inoue Katsuya | Zendy; Takui Takeji | Zendy; Nakasuji Kazuhiro | Zendy

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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

Author(s) -

Kubo Takashi,

Sakamoto Maki,

Akabane Minako,

Fujiwara Yoshinori,

Yamamoto Kagetoshi,

Akita Motoko,

Inoue Katsuya,

Takui Takeji,

Nakasuji Kazuhiro

Publication year - 2004

Publication title -

angewandte chemie international edition

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 5.831

H-Index - 550

eISSN - 1521-3773

pISSN - 1433-7851

DOI - 10.1002/anie.200460565

Subject(s) - singlet state , redox , character (mathematics) , quantum chemical , chemistry , tetra , scheme (mathematics) , computational chemistry , medicinal chemistry , organic chemistry , physics , molecule , quantum mechanics , mathematics , mathematical analysis , geometry , excited state

A phenalenyl‐based singlet biradical that shows highly amphoteric redox properties (see scheme) has been prepared by a stepwise synthesis. Its singlet biradical character originates from a small HOMO–LUMO gap, as suggested by quantum chemical calculations and experimental data.

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