2,6-Bis(3,4,5-trimethoxybenzylidene)cyclohexanone

Abstract

The title compound, C26H30O7, was prepared by base‐catalysed reaction of 3,4,5‐trimethoxy­benzaldehyde with cyclo­hexa­none. The mol­ecule exhibits a butterfly‐shaped geometry, with a dihedral angle of 32.16 (7)° between the two benzene rings.

(2E,6E)-2,6-Bis(4-ethoxybenzylidene)cyclohexanone

“…It has crystallographic mirror symmetry and exhibits a butterfly-shaped geometry. Similar structures have been observed in the related substituted cyclohexanone analogues reported by Ompraba et al (2003) and Sun et al (2007). A dihedral angle of 5.46 (1)° is found between the mean planes of the two benzene rings.…”

“…For related structures, see: Du et al (2007); Liang et al (2007); Sun et al (2007); Zhou et al (2007). For background information, see: Guilford et al (1999); Ompraba et al (2003); Yu et al (2000).…”

“…The title compound was synthesized as previously described (Sun et al, 2007). 4-Ethoxybenzaldehyde (15.0 g, 0.1 mol) and cyclohexanone (4.9 g, 0.05 mol) were dissolved in 80 ml of ethanol.…”

2,6-Dimethoxy-4-(5-oxo-2-phenyl-4,5-dihydro-1,3-oxazol-4-ylidenemethyl)phenyl acetate

“…For background literature, see: Aaglawe et al (2003); Grassi et al (2004); Khan et al (2006); Song et al (2001); Sun & Cui (2007). For related structures, see: Imhof & Garms (2005); Song et al (2004); Vasuki et al (2001).…”

“…The title compound, (I), was prepared as part of our systematic search for organic functional materials with nonlinear optical properties (Sun & Cui, 2007). Oxazolones are highly versatile intermediates used for the synthesis of several biologically active organic molecules, such as amino acids, peptides, antimicrobial or antitumor compounds, immunomodulators, heterocyclic precursors for biosensors coupling, and photosensitive composition devices for proteins (Aaglawe et al, 2003;Grassi et al, 2004;Khan et al, 2006).…”