Synthesis and Redox Behavior of Wurster Blue Cyclophanes

Two cyclophanes composed of two p‐phenylenediamine (PPD) units connected by methylene chains of different lengths (1c, n = 3; 2c, n = 5) have been synthesized. The PPD unit of cyclophane 1c was oxidized by a two‐electron transfer process to give 1c2+ at the first oxidation potential. In contrast, 2c...

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Bibliographic Details
Published in:European journal of organic chemistry 2004-12, Vol.2004 (23), p.4936-4941
Main Authors: Takemura, Hiroyuki, Takehara, Kô, Ata, Masafumi
Format: Article
Language:English
Subjects:
CT complex
Cyclic voltammetry
Cyclophane
Wurster blue radical
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Summary:Two cyclophanes composed of two p‐phenylenediamine (PPD) units connected by methylene chains of different lengths (1c, n = 3; 2c, n = 5) have been synthesized. The PPD unit of cyclophane 1c was oxidized by a two‐electron transfer process to give 1c2+ at the first oxidation potential. In contrast, 2c was oxidized by a one‐electron transfer process to give 2c+ and then 2c2+. (© Wiley‐VCH Verlag GmbH & Co. KGaA, 69451 Weinheim, Germany, 2004)
ISSN:1434-193X
1099-0690
DOI:10.1002/ejoc.200400289