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Synthesis, photochromism and photomagnetism of new biindenylidenedione derivatives in crystalline state

โœ Scribed by Jie Han; Yong-Heng Wei; Feng-Yan Zhang; Ju-Yan Liu; Mei-Li Pang; Ji-Ben Meng

Book ID
104058945
Publisher
Elsevier Science
Year
2009
Tongue
English
Weight
388 KB
Volume
920
Category
Article
ISSN
0022-2860

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โœ Xu Li; Jie Han; Meili Pang; Kaige Cheng; Zhengjie He; Jiben Meng ๐Ÿ“‚ Article ๐Ÿ“… 2008 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 484 KB

Reactions of 2,2 0 -biindanylidene-1,1 0 ,3,3 0 -tetraone with arylmagnesium bromide gave 3,3 0 -diaryl-3,3 0 -dihydroxy biindenylidenedione derivatives. These compounds exhibited photochromism in solid state, in which the formation of the isomeric radical species was confirmed by the election spin