[PDF] Top 20 (1E,4E) 1 (3 Nitrophenyl) 5 phenylpenta 1,4 dien 3 one
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(1E,4E) 1 (3 Nitrophenyl) 5 phenylpenta 1,4 dien 3 one
... The crystal structures of some bis-chalcones viz., 2,6-bis(4-methoxybenzylidene)cyclohexanone (Butcher et al., 2006a), 1,5-bis(4-chlorophenyl)penta-1,4-dien-3-one (Butcher et ... See full document
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5 (4 Bromophenyl) 3 phenyl 1 (3 phenylpropyl) 1H pyrazole
... In the pyrazole ring of (I) (Fig. 1), the bond distances N1Ð N2 and C3ÐC4 (Table 1) are slightly less than the average values (1.366 and 1.410 AÊ; Allen et al., 1987) for bonds of these types. By contrast, ... See full document
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Synthesis and Characterization of 2-phenyl-5- (1-phenyl-3-(3, 4, 5-trimethoxyphenyl)-1H-pyrazol- 4-yl) - 1, 3, 4-oxadiazole Scaffolds for Assessing Their Medicinal Potentials
... at 4°C. for the growth of fungi potato dextrose agar was used. Whatman No.1 filter paper discs of 5mm diameter were autoclaved by keeping in a clean and dry Petri ...for 5 h were taken as test ... See full document
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5 Phenyl 1 (2 thienyl)penta 2,4 dien 1 one
... ,-Unsaturated ketones have been used as starting materials for the synthesis of various chemicals, including plastics, resins, pesticides, dyes and pharmaceuticals (Opdyke, 1973). The synthesis and biological evaluation ... See full document
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3 (4 Bromophenyl) 5 (4 chlorophenyl) 1 phenyl 2 pyrazoline
... Br1 0.0535 (3) 0.0960 (4) 0.1038 (4) 0.0030 (3) 0.0204 (3) 0.0002 (4) Cl1 0.1847 (19) 0.0612 (8) 0.0758 (9) 0.0057 (10) 0.0418 (11) −0.0099 (7) N1 0.046 (2) 0.0462 (19) 0.0446 ... See full document
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4 (4 Chlorobenzyl) 5 methyl 2 phenyl 1H pyrazol 3(2H) one
... 3-Methyl-1-phenyl-4,5-dihydro-1H-5-pyrazolone possesses an active methylene linkage that undergoes condensation with aromatic aldehydes to yield compounds that react with metal salts ... See full document
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(E,Z) 1 (4 Chlorophenyl) 5 phenyl 5 (phenylsulfanyl)penta 2,4 dien 1 one
... For the biological activity of chalcones, and their arylthio- containing derivatives, see: Chate et al. (2012); Nielsen et al. (2005); Wu et al. (2011), Karaman et al. (2012). For the synthesis and crystal structures of ... See full document
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Crystal structure and Hirshfeld surface analysis of a conformationally unsymmetrical bischalcone: (1E,4E) 1,5 bis(4 bromophenyl)penta 1,4 dien 3 one
... the penta-4,4-dien-3-one connecting bridge are compiled in Table ...attached phenyl rings as indicated by their 1 and ... See full document
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4 [(2 Benzoyl 4 chlorophenyl)diazenyl] 3 methyl 1 phenyl 1H pyrazol 5(4H) one
... 2-Amino-5-chlorobenzophenone (2.32 g, 0.01 mol) was suspended in strong hydrochloric acid (20 ml, pH ca. 5) at 273 K. A solution of sodium nitrite (0.69 g in 15 ml water) was added. Following the ... See full document
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Synthesis, characterization, and antimicrobial activity of pyrazol 3 yl pyrimidine, pyrazole and pyran derivatives
... compound 1, with malononitrile one molar each with cyclohexanone, dimeclone or acetophenone and drops of (TEA) in absolute ethanol and heating at reflux, gave compounds (13-15, Scheme 5) where their ... See full document
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Crystal structure of (Z) 4 [1 (4 acetylanilino)ethylidene] 3 methyl 1 phenyl 1H pyrazol 5(4H) one
... tautomeric form, with the H atom attached to the N atom, which participates in an intramolecular N—H O hydrogen bond with an S(6) ring motif. The dihedral angles between the pyrazole ring and the phenyl and ... See full document
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5 (4 Chlorophenyl) 3 (4 nitrophenyl) 1 phenyl 2 pyrazoline
... In the structure of (I) (Fig. 1), the bond lengths and angles are normal (Rurack et al., 2000; Fahrni et al., 2003; Ge, 2006; Guo et al., 2006; Kimura et al., 1977). The interplanar angles between the mean plane ... See full document
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(4R,5R) 2 (N Methyl benzylamino) 3 nitro 4 (1′,2′,3′,4′,5′ penta O acetyl D manno pentitol 1 yl) 5 phenyl 5 phenylcarbamoyl 4,5 dihydrothiophene at 150 K
... Fig. 1 shows an ORTEPII plot (Johnson, 1976) of the molecule viewed along the c axis, together with the atomic numbering ...Table 1), the shorter one being involved in -conjugation with the N2Ð C2 C3 ... See full document
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Synthesis and Antimicrobial Activity of Some 2-[(4-Substituted-Phenyl-3-Chloro-Azetidin-2-One)-5-(2'-Methylamino-4-Phenyl-1', 3'-Thiazolyl-]-1, 3,4-Thiadiazoles
... compounds 4(a-n) and 5(a-n) have been screened in vitro for their antibacterial activity against ...the phenyl ring, halo derivatives were found to be highly active against in the ... See full document
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Anti-mycobacterial activity of Piper longum L. fruit extracts against multi drug resistant Mycobacterium Spp
... [5-(1, 3-benzodioxol-5-yl)-1-piperidin-1- ylpenta-2,4-dien-1-one], a well known alkaloid from this ... See full document
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3 Hydroxy 5 (4 methoxyphenyl) 1 phenyl 1H pyrazole
... Both crystallographically independent molecules exist as OÐH N hydrogen-bonded dimers (Table 2). These crys- tallographically independent dimers are interlinked via CÐ H N hydrogen bonds to form one-dimensional ... See full document
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“On Water” Organic Synthesis: One pot Facile Regioselective Synthesis of (1E,4E)-1,5-bis-aryl-penta-1, 4-dien-3-ones using an Alternative Precursor
... In this procedure acetylacetone was utilized in presence of appropriate aldehyde, aqueous media and base for preparation of dibenzalketones such as (1E,4E)-1,5-bis-ar yl-penta-1,4-dien-3-one ... See full document
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(Z) 4 [(2 Amino 4,5 dichloroanilino)(phenyl)methylidene] 3 methyl 1 phenyl 1H pyrazol 5(4H) one
... Cl2 0.0813 (9) 0.1355 (12) 0.0620 (7) 0.0711 (9) 0.0337 (6) 0.0267 (7) Cl1 0.0773 (9) 0.1571 (13) 0.0793 (9) 0.0818 (9) 0.0190 (7) 0.0461 (9) O1 0.0631 (17) 0.0617 (17) 0.0604 (17) 0.0372 (14) 0.0316 (13) 0.0354 (14) N2 ... See full document
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5 (4 Chlorophenyl) 1 phenylpyrazolidin 3 one
... Ethanolamine (4 ml) and n-butanol (20 ml) were added to a solution of sodium (40 mmol) in anhydrous methanol (9 mol). The methanol was removed by distillation and ethyl 3-(4-chlorophenyl)acrylate (30 ... See full document
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5 (4 Methoxyphenyl) 1 phenylpyrazolidin 3 one
... Data collection: CAD-4 Software (Enraf–Nonius, 1989); cell refinement: CAD-4 Software; data reduction: XCAD4 (Harms & Wocadlo, 1995); program(s) used to solve structure: SHELXS97 (Sheldrick, 1990); ... See full document
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