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1,2-Bis(4-ferrocenylphen­yl)ethene

✍ Scribed by Wang, Jian-Hui ;Zhang, Li-Gai ;Shao, Ming-Bo ;Wu, Bin ;Lin, Shi-Xian

Publisher
International Union of Crystallography
Year
2006
Tongue
English
Weight
82 KB
Volume
62
Category
Article
ISSN
1600-5368

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✦ Synopsis

The molecular structure of the centrosymmetric title compound, [Fe 2 (C 5 H 5 ) 2 (C 24 H 18 )], represents a new application of cross-metathesis for the preparation of functionalized olefins containing two organometallic groups. The two benzene and attached cyclopentadienyl (Cp) rings and the double bond are almost coplanar.

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(E,E)-1-[2-(4-Nitro­phenyl)­ethen­yl]-4-
(E,E)-1-[2-(4-Nitro­phenyl)­ethen­yl]-4-[2-(2,4,6-trimethoxy­phenyl)­ethen­yl]benzene
✍ Vande Velde, Christophe M. L. ;De Borger, Roeland ;Blockhuys, Frank 📂 Article 📅 2005 🏛 International Union of Crystallography 🌐 English ⚖ 189 KB

The crystal structure of the title compound, C 25 H 23 NO 5 , is centrosymmetric; it crystallizes in ribbons interacting through C-HÁ Á Á contacts and C-HÁ Á ÁO hydrogen bonds.

Solid solution of cis-1,2-bis(4,4,5,5-te
Solid solution of cis-1,2-bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1,2-bis[4-(trifluoromethyl)phenyl]ethene–cis-2-(1,3,2-benzodioxaborolan-2-yl)-1-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1,2-bis[4-(trifluoromethyl)phenyl]ethene–hexane solvate (1/1/1)
✍ Bramham, George ;Batsanov, Andrei S. ;Marder, Todd B. ;Norman, Nicholas C. 📂 Article 📅 2007 🏛 International Union of Crystallography 🌐 English ⚖ 277 KB

cis isomers of 2-catecholboryl-1-pinacolboryl-and bis(1,2pinacolboryl)-1,2-bis[4-(trifluoromethyl)phenyl]ethene substitute one another isomorphously in a 1:1 ratio. The molecule has no crystallographic symmetry, with one olefinic site shared equally between superimposed pinacol-and catecholboryls, a