E.C. 2.4.1.1
(E) 3 (2 Chlorophenyl) 1 (4 nitrophenyl)prop 2 en 1 one
... intramolecular C—H O and C—H Cl interactions involving the enone groups generate S(5) ring motifs, which help to stabilize the planarity of the 3-(2- chlorophenyl)prop-2-en-1-one ...
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1 [(E) 2 Formyl 1 (4 methylphenyl)ethenyl] 3 (4 methylphenyl)pyrazole 4 carbaldehyde
... A mixture of 1-(4-methylphenyl)-1-ethanone N-[(E)-1-phenylethylidene] hydrazone (0.003 mole) and 3 ml of dimethyl formamide kept in an ice bath at 0° C, phosphorus oxycholride ...
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(E,E) 1 [2 (4 Nitrophenyl)ethenyl] 4 [2 (2,4,6 trimethoxyphenyl)ethenyl]benzene
... negative c axes (x + 1, y, z 1) are drawn in ...[(x, 1 y, 2 z) and (1 x, 1 y, 1 z)] and those through the glide planes are drawn in maroon [(x, ...
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(E) 1 (4 Fluorophenyl) 3 (4 methylphenyl)prop 2 en 1 one
... Intramolecular C—H O hydrogen bonds generate an S(5) ring ...the c axis and the structure is stabilized by weak intramolecular C—H O hydrogen bonds and intermolecular C—H interactions ...
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4 (4 Chlorophenylsulfanyl) 1 [(E) 2 (4 chlorophenylsulfanyl) 1 phenylethenyl] 3 phenyl 1H pyrazole
... of 2-[(4-chlorophenyl)sulfanyl]-1-phenyl-1-ethanone N-(E)-2- [(4-chlorophenyl)sulfanyl]-1-phenylethyl- idenehydrazone ...0° C, phosphorus oxycholride ...
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(E) 1 (4 Chlorophenyl) 3 (4 methylphenyl)prop 2 en 1 one
... intramolecular C—H···O hydrogen bond generates an S(5) ring ...(Fig. 2). This arrangement is stabilized by weak intermolecular C—H···π interactions involving both aromatic rings, Table ...
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(E) 3 (2 Chlorophenyl) 1 (4 chlorophenyl)prop 2 en 1 one
... the C C bond of the propenone ...Intramolecular C—H O and C—H Cl hydrogen bonds generate an S(5)S(5)S(5) ...intermolecular C—H O hydrogen ...
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Crystal structures of three 1 [4 (4 bromobutoxy)phenyl] chalcone derivatives: (E) 1 [4 (4 bromobutoxy)phenyl] 3 phenylprop 2 en 1 one, (E) 1 [4 (4 bromobutoxy)phenyl] 3 (4 methoxyphenyl)prop 2 en 1 one and (E) 1 [4 (4 bromobutoxy)phenyl] 3 (3,4 dimethoxyphenyl)prop 2 en 1 one
... the C O bond acts as an electron-withdrawing group, and electron-rich substituents in the aromatic rings serve as electron-donating groups, forming a so-called D— A type ...the 4 and/or 4 0 posi- ...
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(E)-1-(2-Aminophenyl)-3-(4-chlorophenyl)prop-2-en-1-one
... It is worth mentioning that o-aminochalcone 3 has previously been reported [11] and is currently a commercially available product [12]. Lee and Youn prepared it from a condensation reaction between ketone 1 and ...
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1 Fluoro 4 [(E) 2 nitrovinyl]benzene
... the C C bond is trans . The C and H atoms of the side chain are disordered over two sets of sites in a ...by C—H O interactions, thus forming C(5) chains propagating in ...
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4 {(E) 2 [4 (Diethylamino)phenyl]ethenyl} 1 methylpyridin 1 ium tetraphenylborate
... The use of stilbazolium compounds as nonlinear optical materials is a newly emerging field that has already exhibited potential applications in upconverted lasing and biological imaging because of their high stability ...
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(E) 1 (4 Bromophenyl) 2 (4 tert butylphenyl) 1 phenylethene
... Fig. 1, shows that a non-planar conformation is ...ring c , and ring b and ring c are 78.2 (2) and 57.1 (2)°, ...ring c creates a significant distortion around the ethylene group ...
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1 Methyl 4 [(E) 2 (2 thienyl)ethenyl]pyridinium 4 chlorobenzenesulfonate†
... of 4-chlorobenzenesulfonate anion are involved in the C—H···O weak interactions (Table ...by C—H···O weak interactions and in each respective layer can be distinguished chains directed along the b ...
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(E) 1 (4 Aminophenyl) 3 (2 chlorophenyl)prop 2 en 1 one
... Fig 1), a substituted chalcone, adopts an E configuration with respect to the C═C bond of the enone ...Intramolecular C—H···O and C—H···Cl hydrogen bonds involving the enone ...
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(E) 3 (4 Fluorophenyl) 1 [4 (methylsulfanyl)phenyl]prop 2 en 1 one
... as 1-(4-aminophenyl)-3-(3-bromophenyl)-prop-2-en-1-one (Sathiya Moorthi et ...2005), 1-(4-bromophenyl)-3-(3- hydroxy phenyl)prop-2-en-1-one(Moorthi et ...
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2 [(E) 2 (4 Methoxyphenyl)ethenyl] 1 methylpyridinium iodide
... The title compound was prepared by mixing 1:1 molar ratio of solutions of 1,2-dimethylpyridinium iodide (7.052 g, 30 mmol), 4-methoxy benzaldehyde (3.7 ml, 30 mmol) and piperidine (5 drops) in hot ...
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1 Methyl 4 [(E) 2 (2 thienyl)ethenyl]pyridinium 4 methylbenzenesulfonate†
... of 4-methylbenzenesulfonate anion are involved in the C—H···O weak interactions (Table ...(Fig. 2), the cations and anions form alternate layers parallel to the bc ...by C—H···O weak ...
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(E) 3 (4 Heptyloxyphenyl) 1 phenylprop 2 en 1 one
... weak C-H···O and C- H···π interactions (Table ...a C═O···HC═C fashion, resulting in the formation of C(4) chains along the a-axis ...R 2 2 (8) ring containing a ...
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(E) 4 [2 (4 Ethoxyphenyl)ethenyl] 1 methylpyridinium naphthalene 2 sulfonate
... weak C—H···O hydrogen bonds and C—H···π interactions are stabilizing the crystal ...intramolecular C—H···O interactions are formed mainly in cation-anion and anion-anion ...of C—H···O hydrogen ...
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(E) 1 (4 Methylphenyl) 2 (4 nitrophenyl)ethene
... 400 MHz, TMS): 2.38 (s, 3H, H24), 7.08 (d, 1H, J = 16.33 Hz, H7), 7.20 (d, 2H, J = 8.09 Hz, H13 and H15), 7.24 (d, 1H, J = 16.33 Hz, H8), 7.44 (d, 2H, J = 8.24 Hz, H12 and H16), 7.61 (d, 2H, J = 8.85 Hz, H2 and H6), 8.20 ...
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