Preparation and Exchange Interaction of DPPH-Derived Polyradicals
โ Scribed by Kozaki, Masatoshi; Nakamura, Shogo; Sato, Kazunobu; Takui, Takeji; Okada, Keiji
- Book ID
- 127084075
- Publisher
- Taylor and Francis Group
- Year
- 1999
- Tongue
- English
- Weight
- 293 KB
- Volume
- 334
- Category
- Article
- ISSN
- 1058-725X
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๐ SIMILAR VOLUMES
A series of 1,1'-(2,4-di-X-benzene-l,3-diyl)bis[1-(4-Y-phenyl)-2-picrylhydrazine]s were prepared and oxidized to generate the corresponding bis-DPPlt diradicals. No triplet species was observed for the compounds with X --H in the ESR measurement. Modification of the central benzene ring (X = Me) and
4-[(3,5-Di-tert-butyl-4-hydroxyphenyl) (3,5-di-tert-butyl-4-oxo-cyclohexa-2,5-dienylidene)methyl]styrene (abbreviated as (p-vinylphenyl)hydrogalvinoxyl) was polymerized using AIBN as an initiator to give a bright yellow polymer with M w ฯญ 3.2 ฯซ 10 4 . The polymer was oxidized to give the correspond