[PDF] Top 20 5 Phenyl 1 (2 thienyl)penta 2,4 dien 1 one
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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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(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
... been determined at room temperature and at 150 K. From the cycloaddition of thioisomuÈnchnones with chiral nitroalkenes, two diastereomeric dihydrothiophenes were obtained, showing that regiospeci®city and facial ... See full document
11
(2E) 1 (5 Bromothiophen 2 yl) 3 (4 chlorophenyl)prop 2 en 1 one
... membered thiophene ring (S3\C14\···C17) and a phenyl ring (C5\C6\···C10) at 40.69 (11)° to each other (Fig 1). All intermolecular bond lengths and angles are within normal ranges (Vepuri et al., 2012; Li ... See full document
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1 Phenyl 3 (pyren 1 yl)prop 2 en 1 one
... O1 0.123 (3) 0.079 (2) 0.0604 (19) 0.027 (2) 0.0325 (18) 0.0182 (18) C1 0.035 (2) 0.059 (3) 0.043 (2) −0.0053 (19) 0.0029 (18) −0.007 (2) C2 0.038 (2) 0.055 (3) 0.042 (2) ... See full document
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5 (2 Furyl) 3 hydroxy 1 phenylpenta 2,4 dien 1 one
... the enolized form and displays a strong intramolecular hydrogen bond. The molecular structure supports the hypothesis that the conjugation in the molecule is a determining factor for the position of the enol H atom. The ... 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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1 [1 (4 Fluorophenyl) 2 methyl 5 phenyl 1H pyrrol 3 yl]ethanone
... The asymmetric unit of the title compound, drawn with 50% probability displacement ellipsoids. Dashed lines indicate intramolecular C—H O interactions and one C—H intermolecular contact. The green open circle is ... See full document
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(2Z,4E) 1 (5 Fluoro 2 hydroxyphenyl) 5 (4 fluorophenyl) 3 hydroxypenta 2,4 dien 1 one
... Dibenzoylmethane (1,3-Diphenyl-propane-1,3-dione, DBM) and chalcones have been found to exhibit a variety of biological activities, such as anti-tumor, anti-inflammatory, antibacterial, anti-parasitic, anti-oxidation and ... See full document
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2 [5 (4 Hydroxyphenyl) 1 phenyl 1H pyrazol 3 yl]phenol
... (Fig. 1 and ...of one phenolic group and the N atom of the pyrazole group (see Table 1 for hydrogen bond ...details). One of the phenyl groups is approximately coplanar with the ... See full document
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Crystal structure of 3 (morpholin 4 yl) 1 phenyl 3 (pyridin 2 yl)propan 1 one
... The geometric parameters of the title molecule (Fig. 1) agree well with reported similar structure (Chen et al., 2011; Meti et al., 2013). The morpholine (N2/O2/C15—C18)ring adopts a chair conformation [Q = 0.5756 ... See full document
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4 Benzylidene 2 diethylamino 1 phenyl 1H imidazol 5(4H) one
... Some 2-alkylaminoimidazolones exhibit good antibacterial and antifungal activities (Trivedi et ...of 2-dialkylamino-4H-imidazolin-4-ones (Hu et ...(Fig. 1 and Table ... See full document
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4 Benzylidene 1 phenyl 2 propylamino 1H imidazol 5(4H) one
... Imidazolones are important heterocycles having fungicidal, anti-inflammatory and angiotensin II antagonist activities (Lacroix et al., 2000). Some 2-alkylaminoimidazolones exhibit good antibacterial activity ... See full document
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5 Hydroxy 3,7 dimethoxy 2 phenyl 4H 1 benzopyran 4 one
... The phenyl substituent is twisted away from the benzopyran-4-one plane, the dihedral angle between the benzopyran-4-one and C1–C6 benzene planes being ... See full document
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3 Hydroxy 4 phenyl 1 (prop 2 en 1 yl) 2,3,4,5 tetrahydro 1H 1,5 benzodiazepin 2 one
... contains three independent molecules. In each, the seven- membered diazepine ring adopts a boat conformation with the hydroxy-substituted C atom at the prow and fused-ring C atoms at the stern. In the crystal, the ... See full document
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4 (4 Methylphenyl) 2 (prop 2 yn 1 yl)phthalazin 1(2H) one
... The ORTEP of the title compound is shown (Fig. 1). The phthalazine ring is nearly planar. The dihedral angle between the methylphenyl ring and the phenyl ring of the phthalazinone moiety is 53.93 (9)°. The ... See full document
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Crystal structure of 2′ [(2′,4′ difluorobiphenyl 4 yl)carbonyl] 1′ phenyl 1′,2′,5′,6′,7′,7a' hexahydrospiro[indole 3,3′ pyrrolizin] 2(1H) one
... ml), 1-[4-(2,4-difluorophenyl)phenyl]3-phenyl- prop-2-en-1-one (1 mmol) was added and the solution was refluxed for 6–8 ... 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 ...w/v, 5 ml). The reaction mixture was then stirred at 301 K for 4 h, when the resulting solid product was collected by ... See full document
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(±) 3 (5 Amino 3 methyl 1 phenyl 1H pyrazol 4 yl) 2 benzofuran 1(3H) one
... The title compound (±)-3-(5-amino-3-methyl-1-phenyl-1H-pyrazol-4-yl)isobenzofuran-1(3H)-one, (I), is part of the study of different crystal systems, associated with ... See full document
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4 (4 Bromophenylhydrazono) 1 (5 bromopyrimidin 2 yl) 3 methyl 2 pyrazolin 5 one
... independent molecules, A and B. The pyrazole ring of A makes dihedral angles of 22.0 (3)° and 3.5 (3)° with the pyrimidine ring and phenyl ring respectively; the corresponding values in molecule B are 9.2 (3)° and ... See full document
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1 (4 Methylbenzoyl) 3 {5 [4 (trifluoromethyl)phenyl] 1,3,4 thiadiazol 2 yl}urea
... The title compound, (I), was prepared according to the procedure of Wang et al. (2003). Suitable crystals were obtained by vapour diffu- sion of methanol in dimethylformamide at room temperature (m.p. > 573 K). IR ... See full document
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