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Structure of 3,3'-dimethyl-4,4'-diphenyl-2,2',5,5'-tetrathiafulvalenium octachlorodirhenate–dichloromethane (1/2)

✍ Scribed by Fettouhi, M. ;Ouahab, L. ;Perrin, A. ;Grandjean, D. ;Fabre, J. M.

Book ID
114508659
Publisher
International Union of Crystallography
Year
1991
Tongue
English
Weight
314 KB
Volume
47
Category
Article
ISSN
0108-2701

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(4R,5R)-1,3-Dimethyl-4,5-diphenyl­imidaz
(4R,5R)-1,3-Dimethyl-4,5-diphenyl­imidazolidin-2-one
✍ Kawahata, Masatoshi ;Saito, Noriko ;Ishikawa, Tsutomu ;Yamaguchi, Kentaro 📂 Article 📅 2006 🏛 International Union of Crystallography 🌐 English ⚖ 127 KB

The title compound, C 17 H 18 N 2 O, was obtained by methylation of (4R,5R)-4,5-diphenylimidazolidin-2-one. The C-O bond exhibits double-bond character, and both C-N bonds in the urea group are intermediate between single and double bonds.