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2-[3-Dicyano­methyl­ene-2-(3-methoxy­benzyl­idene)indan-1-yl­idene]malononitrile

✍ Scribed by Palusiak, Marcin ;Plażuk, Damian ;Zakrzewski, Janusz

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

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✦ Synopsis

The title compound, C~23~H~12~N~4~O, has potential application in non-linear optics; it has a chiral crystal structure despite the lack of a stereogenic centre. The crystal structure involves two intermolecular C—H...N hydrogen bonds.

📜 SIMILAR VOLUMES

(Z)-3-(4-Methoxy­benzyl­idene)-2-methyl­
(Z)-3-(4-Methoxy­benzyl­idene)-2-methyl­isoindolin-1-one
✍ Warzecha, Klaus-Dieter ;Neudörfl, Jörg M. ;Griesbeck, Axel G. 📂 Article 📅 2005 🏛 International Union of Crystallography 🌐 English ⚖ 193 KB

The title compound, C 17 H 15 NO 2 , consists of two planar subunits, viz. a lactam and a 4-methoxybenzyl moiety. The double bond connecting the sub-units has a Z configuration.

3′′-(4-Bromo­benzyl­idene)-4′-(4-bromo­p
3′′-(4-Bromo­benzyl­idene)-4′-(4-bromo­phen­yl)-1′-methyl­indan-2-spiro-2′-pyrrolidine-3′-spiro-1′′-cyclo­hexane-1,3,2′′-trione
✍ Satis Kumar, B. K. ;Gayathri, D. ;Velmurugan, D. ;Ravikumar, K. ;Poornachandran, 📂 Article 📅 2006 🏛 International Union of Crystallography 🌐 English ⚖ 173 KB

3 0 0 00 0 0 -(4-Bromobenzylidene)-4 0 0 0 -(4-bromophenyl)-1 0 0 0 -methylindan-2-spiro-2 0 0 0 -pyrrolidine-3 0 0 0 -spiro-1 0 0 00 0 0 -cyclohexane-1,3,2 0 0

(Z)-4-(4-Methoxy­benzyl­idene)-2-methyl­
(Z)-4-(4-Methoxy­benzyl­idene)-2-methyl­sulfan­yl-3-pheneth­yl-1H-imidazol-5(4H)-one
✍ Wang, Ping ;Chu, Xiao-He ;Su, Wei-Ke 📂 Article 📅 2005 🏛 International Union of Crystallography 🌐 English ⚖ 95 KB

The title molecule, C 20 H 20 N 2 O 2 S, exits in the Z form and the five-membered imidazole ring and the benzene ring of the 4methoxybenzylidene moiety are almost coplanar. Short intramolecular contacts [CÁ Á ÁS = 3.138 (4) A ˚and CÁ Á ÁN = 3.060 (4) A ˚] indicate the presence of weak C-HÁ Á ÁS and

1N-Methyl-spiro­[2-3′]­indan-1,3-dione-s
1N-Methyl-spiro­[2-3′]­indan-1,3-dione-spiro­[3-3′′]-5′′-benzyl­idene-N-methyl-piperidinone-4-phenyl­pyrrolidine
✍ Govind, M. M. ;Selvanayagam, S. ;Velmurugan, D. ;Ravikumar, K. ;Sridhar, Gowri ; 📂 Article 📅 2003 🏛 International Union of Crystallography 🌐 English ⚖ 216 KB

The conformation of the pyrrolidine ring of the title compound, C 31 H 28 N 2 O 3 , lies between half-chair and envelope. The dihedral angle between the fused rings is 3.4 (1) .

(Z)-2-(2-Methoxy­benzyl­idene)-1-aza­bic
(Z)-2-(2-Methoxy­benzyl­idene)-1-aza­bicyclo­[2.2.2]octan-3-one
✍ Sonar, Vijayakumar N. ;Parkin, Sean ;Crooks, Peter A. 📂 Article 📅 2006 🏛 International Union of Crystallography 🌐 English ⚖ 174 KB

The title compound, C 15 H 17 NO 2 , was prepared by basecatalyzed reaction of 2-methoxybenzaldehyde with 1-azabicyclo[2.2.2]octan-3-one. The configuration about the olefinic bond connecting the methoxyphenyl and 1-azabicylo[2.2.2]octan-3-one moieties is Z.