[PDF] Top 20 Crystal structure of (3E) 3 (2,4 dinitrophenoxymethyl) 4 phenylbut 3 en 2 one
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Crystal structure of (3E) 3 (2,4 dinitrophenoxymethyl) 4 phenylbut 3 en 2 one
... mg, 2 mmol) were added to a solution of 4-nitro- phenol ...and 3-bromomethyl-4-phenyl-3-buten-2-one (478 mg, 2 mmol) in dry acetone (4 ...a ... See full document
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Crystal structure of (2E) 1 (4 hydroxy 1 methyl 2 oxo 1,2 dihydroquinolin 3 yl) 3 (4 hydroxy 3 methoxyphenyl)prop 2 en 1 one
... intramolecular O—H O hydrogen bond and the E configuration about the central C C bond. In the crystal structure, O—H O hydrogen bonds generate chains of molecules along the [101] direction. These chains are ... See full document
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(2E) 1 (4 Bromophenyl) 3 [3 (4 methoxyphenyl) 1 phenyl 1H pyrazol 4 yl]prop 2 en 1 one
... Geometry . All e.s.d.'s (except the e.s.d. in the dihedral angle between two l.s. planes) are estimated using the full covariance matrix. The cell e.s.d.'s are taken into account individually in the estimation of ... See full document
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Crystal structure and theoretical study of (2E) 1 [4 hydroxy 3 (morpholin 4 ylmethyl)phenyl] 3 (thiophen 2 yl)prop 2 en 1 one
... Chalcones, viz 1,3-diaryl-2-propene-1-ones, are major component of many natural products as well as important precursors for many synthetic manipulations (Das et al., 2006; Yerdelen et al., 2015; Gul et al., ... See full document
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Crystal structure of (3E) 3 [(4 nitrophenoxy)methyl] 4 phenylbut 3 en 2 one
... The crystal packing feature benzene-C—H O(ketone) contacts that lead to supra- molecular helical chains along the b ...and phenyl rings [inter- centroid distance = ... See full document
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Crystal structure of 1 {4 hydroxy 3 [(pyrrolidin 1 yl)methyl]phenyl} 3 phenylprop 2 en 1 one
... Mannich bases are a group of compounds having various biological activities such as cytotoxic (Bilginer et al., 2013), anti-inflammatory (Sahin et al., 2010) and anticonvulsant (Gul et al., 2004) activities. ... See full document
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3 (4 Chlorophenyl) 1 (2 methyl 4 phenylquinolin 3 yl)prop 2 en 1 one
... A mixture of 3-acetyl-2-methyl-4-phenylquinoline (2.61 g, 0.01 M), 4-chlorobenzaldehyde (1.40 g, 0.01 M) and KOH (1.12 g, 0.02 M ) in distilled ethanol (20 ml) was stirred for 12 h at room ... See full document
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Spontaneous resolution and crystal structure of (2S) 2 (3 nitrophenyl) 3 phenyl 2,3,5,6 tetrahydro 4H 1,3 thiazin 4 one; crystal structure of rac 2 (4 nitrophenyl) 3 phenyl 2,3,5,6 tetrahydro 4H 1,3 thiazin 4 one
... Compounds with an N-aryl-2,3,5,6-tetrahydro-4H-1,3-thiazin- 4-one scaffold have been shown to have a wide variety of bioactivities, including antifungal (Qu et al., 2013; Dandia et al., 2004; Krumkains, ... See full document
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Crystal structure of 3 [4 (1 methylethyl)phenyl] 1 (naphthalen 2 yl)prop 2 en 1 one
... Geometry . All e.s.d.'s (except the e.s.d. in the dihedral angle between two l.s. planes) are estimated using the full covariance matrix. The cell e.s.d.'s are taken into account individually in the estimation of ... See full document
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Crystal structure of 2 oxopyrrolidin 3 yl 4 (2 phenyldiazen 1 yl)benzoate
... and structure of the eluate components were confirmed by the LC–MS method on an Agilent Technologies 1260 Infinity LC–MS spectro- meter (Santa Clara, CA, US) in ESI positive and negative modes, equipped with an ... See full document
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(2E) 1 (2 Methyl 4 phenylquinolin 3 yl) 3 (3 methylthiophen 2 yl)prop 2 en 1 one
... the phenyl ring is perpendicular to the quinolinyl residue ...The 3-thienyl ring also occupies a position approximately orthogonal to the quinolinyl residue with a dihedral angle of ...to one side, ... See full document
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The crystal structures of two chalcones: (2E) 1 (5 chlorothiophen 2 yl) 3 (2 methylphenyl)prop 2 en 1 one and (2E) 1 (anthracen 9 yl) 3 [4 (propan 2 yl)phenyl]prop 2 en 1 one
... of 2-methyl- benzaldehyde ...with 2-acetyl-5-chlorothiophene ...for 4 h, when the resulting solid product was collected by filtration, washed with cold water and ...of 4-isopropylbenzaldehyde ... See full document
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Methyl 3 [(6 nitro 4 oxo 3 phenyl 3,4 dihydroquinazolin 2 yl)sulfanyl]propanoate
... Geometry . All e.s.d.'s (except the e.s.d. in the dihedral angle between two l.s. planes) are estimated using the full covariance matrix. The cell e.s.d.'s are taken into account individually in the estimation of ... See full document
9
(2E) 2 [(3E) 4 Phenylbut 3 en 2 ylidene]hydrazinecarboxamide
... Fig. 1 shows the molecular structure of the title compound (I) with the disordered phenyl ring. The dihedral angle between the major and minor disorder components of the phenyl ring is 12.9 ... See full document
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Crystal structure of (2E) 3 (3 ethoxy 4 hydroxyphenyl) 1 (4 hydroxyphenyl)prop 2 en 1 one
... Geometry . All esds (except the esd in the dihedral angle between two l.s. planes) are estimated using the full covariance matrix. The cell esds are taken into account individually in the estimation of esds in distances, ... See full document
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Crystal structure of (2E) 1 (4 hydroxy 3 methoxyphenyl) 3 (4 hydroxyphenyl)prop 2 en 1 one
... Geometry . All e.s.d.'s (except the e.s.d. in the dihedral angle between two l.s. planes) are estimated using the full covariance matrix. The cell e.s.d.'s are taken into account individually in the estimation of ... See full document
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3 [4 (1 Oxo 3 phenylprop 2 en 1 yl)phenyl]sydnone
... hydroxide solution (0.5 g sodium hydroxide in 5 ml water and 5 ml ethanol) and benzaldehyde (1 g, 0.01 mol) was added. The reaction mixture was stirred for 30 min at room temperature and the resulting precipitate was ... See full document
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Crystal structure of (2E) 3 [4 (dimethylamino)phenyl] 1 (thiophen 2 yl)prop 2 en 1 one
... (8) rings are the subunits of the periodic arrangement along [100] and one very weak H7 H2 i contact is also observed [H H = 2.26 A ˚ ]. The molecular units are also linked by very weak C15—H15 O1 ii links into ... See full document
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Crystal structure of 4 [(3 methylbut 3 enoyl)oxy]phenyl 4 n hexyloxybenzoate
... very loose crystal packing. The close packing is formed as a result of many non-directional van der Waals and weak directional interactions. The most typical directional inter- actions are weak hydrogen bonds C—H ... See full document
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Crystal structure of (E) 1 (4′ methoxy [1,1′ biphenyl] 4 yl) 3 (3 nitrophenyl)prop 2 en 1 one
... C26 0.0503 (11) 0.0447 (9) 0.0479 (10) 0.0076 (8) 0.0074 (8) 0.0066 (7) C27 0.0495 (10) 0.0382 (8) 0.0406 (9) 0.0047 (7) 0.0065 (8) 0.0041 (7) C28 0.0541 (12) 0.0586 (11) 0.0554 (11) 0.0106 (9) 0.0095 (9) −0.0066 (9) C29 ... See full document
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