Chemistry Letters
Online ISSN : 1348-0715
Print ISSN : 0366-7022
ISSN-L : 0366-7022
Synthesis and Characterization of 2-Ferrocenyl-4,4,5,5-tetramethyl-2-imidazolin-l-oxyl 3-Oxide and Its CT-Complex with DDQ
Yosuke NakamuraNoboru KogaHiizu Iwamura
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1991 Volume 20 Issue 1 Pages 69-72

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Abstract

A ferrocene derivative carrying a nitronyl-nitroxide radical was synthesized and its CT salt with DDQ was prepared. There are two S = 1/2 spins, ferrocenium ion and nitronyl-nitroxide radical, on the cationic part of the CT-salt. From the temperature dependence of magnetic susceptibility data it is concluded that the interaction between them is antiferromagnetic (2J ≈ −50 cm−1).

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© 1991 The Chemical Society of Japan
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