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Synthesis and Redox Behavior of Wurster Blue Cyclophanes
Author(s) -
Takemura Hiroyuki,
Takehara Kô,
Ata Masafumi
Publication year - 2004
Publication title -
european journal of organic chemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.825
H-Index - 155
eISSN - 1099-0690
pISSN - 1434-193X
DOI - 10.1002/ejoc.200400289
Subject(s) - chemistry , cyclophane , redox , electron transfer , methylene , methylene blue , stereochemistry , photochemistry , polymer chemistry , crystallography , medicinal chemistry , organic chemistry , crystal structure , catalysis , photocatalysis
Abstract 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 1c 2+ at the first oxidation potential. In contrast, 2c was oxidized by a one‐electron transfer process to give 2c + and then 2c 2+ . (© Wiley‐VCH Verlag GmbH & Co. KGaA, 69451 Weinheim, Germany, 2004)