3,3′-Diphenylbi-1H-indene-1,1′-dione
✍ Scribed by Li, Xu ;Liu, Jing-Jun ;Zhao, Min ;Wang, Yong-Ming ;Xia, Chun-Feng
- Publisher
- International Union of Crystallography
- Year
- 2007
- Tongue
- English
- Weight
- 126 KB
- Volume
- 63
- Category
- Article
- ISSN
- 1600-5368
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## Abstract ^1^H, ^13^C and two‐dimensional NMR analyses were applied to determine the NMR parameters of 6‐(2′,3′‐dihydro‐1′__H__‐inden‐1′‐yl)‐1__H__‐indene. The measurements were accomplished with 0.5 mg of the substance, this quantity being sufficient to determine the chemical shifts of all the H
A novel photochromic compound, [2,2 0 -bi-1H-indene]-1,1 0 -dione-3,3 0 -dihydroxy-3,3 0 -diisobutyl (I), was synthesized and its crystal structure was determined. The photochromic and photoinduced properties of the compound were studied. The relationship of the structure with the properties was als