1.3 to 1.4 eV
Optical Properties of Niobium from 0 1 to 36 4 eV
... The absorptivity or reflectivity of single crystals of Nb has been measured from 0.1 to 36.4 eV. The data were Kramers-Kronig analyzed and the optical constants obtained. The absence of low-energy interband ...
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1 (4 Bromophenyl) 3 (3 chloropropanoyl)thiourea
... An acetone solution (30 mL) of 4-bromoaniline (0.01 mol, 1.72 g) was added dropwise into a two-necked round- bottomed flask containing 3-chloropropanoylisothiocyanate (0.01 mol). The mixture was refluxed ...
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3 Acetoxy 4 (4 hydroxyphenethylamino)but 3 en 1 one
... and 4-hydroxyphenylethylamine (1 mmol) in anhydrous acetonitrile (10 ml) was refluxed, concen- trated, and the residue purified by column chromatography to afford the title compound as white ...
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3 (4 Bromophenyl) 1 (4 chlorophenyl)prop 2 en 1 one
... of 4-bromobenzaldehyde (0.01 mol) with 4-chloroacetophenone ...for 4 h, the contents of the flask were poured into ice- cold water (250 ml) and left to stand for 24 ...
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4 [3 Benzoyl 4 (4 chlorophenyl) 1 methylpyrrolidin 2 yl] 1 (4 methoxyphenyl) 3 phenylazetidin 2 one
... A solution of cis-4-formyl-2-azetidinone (1 mmol), sarcosine (1 mmol) and chlorochalcone (1 mmol) was refluxed in toluene (15 ml) using a Dean–Stark apparatus. The completion of the reac- tion ...
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3-Fluorobenzoic acid--4-acetylpyridine (1/1) at 100K
... (Fig. 1). The molecular geometry of the 4-acetylpyridine is generally ...the 3-fluorobenzoic acid molecule is seen to be disordered over two positions in a 96:4% ...than 1 electron ...
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1 (4 Hydroxyphenyl) 3 (4 methoxyphenyl)prop 2 en 1 one
... The title compound was prepared by the Claisen±Schmidt conden- sation of equimolar quantities of 4-hydroxyacetophenone (4.08 g, 0.03 mol) and 4-methoxybenzaldehyde (4.03 g, 0.03 mol) in aqueous ethanol, in ...
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The 1:1 complex of hydroquinone and 3 methy 4 nitropyridine 1 oxide
... Crystals of the title POM±HQ complex, (I), were obtained by slow evaporation from an equimolar solution of POM and HQ in aceto- nitrile. Orange±red crystals with a melting point of 384 (1) K were obtained. The ...
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1 (4 Chlorobutanoyl) 3 (3 chlorophenyl)thiourea
... An acetone solution (30 mL) of 3-chloroaniline (0.01 mol, 1.27 g m) was added dropwise into a two-necked round- bottomed flask containing an equimolar amount of 4-chlorobutanoylisothiocyanate (0.01 mol, ...
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(2E) 1 (4 Bromophenyl) 3 [3 (4 methoxyphenyl) 1 phenyl 1H pyrazol 4 yl]prop 2 en 1 one
... of 3-(4-methoxyphenyl)-1-phenyl-1H-pyrazole-4-carbaldehyde ...M), 4-bromo acetophenone (1 g, ...using 1:2 mixture of ethyl acetate and ...
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1 (4 {2 [(E) 3 (4 Chlorophenyl) 3 oxoprop 1 en 1 yl]phenoxy}butyl) 1H indole 3 carbaldehyde
... temperature. After the completion of the reaction as evidenced from TLC, the solvent was filtered into crushed ice and extracted with chloroform. The organic extract was dried over Na2SO4 and concentrated under reduced ...
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3 (3 Methoxyphenyl) 1 (4 methoxyphenyl)prop 2 en 1 one
... An aqueous solution of sodium hydroxide (10%, 10 ml) was added with stirring (4 h) to a solution of 3-methoxybenzaldehyde (0.01 mol) and 4-methoxyacetophenone (0.01 mol) in ethanol (60 ml) at room ...
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1 (4 Chlorophenyl) 3 (3 chloropropionyl)thiourea
... 4-chloroaniline (1.27 g, 0.01 mol) disolved in 30 ml of acetone was added into a solution of 3-chloropropionyl isothio- cyanate (1.49 g, 0.01 mol) in 30 ml acetone. The mixture was refluxed for 2 hours. The ...
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3 (4 Chlorophenyl) 3 hydroxy 1 phenylpropan 1 one
... The title compound was synthesized by adding a mixture of 4- chlorobenzaldehyde (0.421 g, 3 mmol) and 2-bromoacetophenone (0.892 g, 4.5 mmol) to a mixture of a saturated solution of calcium chloride (12 ...
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1 (4 Chlorophenyl) 3 (4 methoxyphenyl)prop 2 en 1 one
... C5 0.0202 (7) 0.0205 (7) 0.0257 (10) −0.0025 (6) −0.0007 (7) −0.0004 (6) C6 0.0168 (6) 0.0186 (6) 0.0167 (7) 0.0017 (5) −0.0036 (7) 0.0015 (7) C7 0.0206 (8) 0.0188 (7) 0.0176 (8) 0.0009 (6) −0.0022 (6) 0.0047 (6) C8 ...
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3 (4 Bromophenyl) 1 (4 nitrophenyl)prop 2 en 1 one
... C14A 0.0144 (6) 0.0165 (6) 0.0152 (6) −0.0008 (5) 0.0003 (5) 0.0019 (5) C15A 0.0139 (6) 0.0176 (6) 0.0133 (6) 0.0003 (5) −0.0008 (5) 0.0035 (5) Br1B 0.01656 (7) 0.01795 (7) 0.01456 (7) −0.00455 (5) 0.00272 (5) 0.00316 ...
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3 (4 Methoxyphenyl) 1 (4 nitrophenyl)prop 2 en 1 one
... A molecular view of (I) is shown in Fig. 1. Bond lengths and angles have normal values (Allen et al., 1987) and are comparable to those in related structures (Sathiya Moorthi, Chinnakali, Nanjundan, Santhi et al., ...
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1 (4 Fluorophenyl) 3 (4 methoxyphenyl)prop 2 en 1 one
... Data collection: COLLECT (Nonius, 1998); cell refinement: SCALEPACK (Otwinowski & Minor, 1997); data reduction: SCALEPACK, DENZO (Otwinowski & Minor, 1997), and SORTAV (Blessing, 1995); program(s) used to solve ...
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3 (3 Bromophenyl) 1 (4 bromophenyl)prop 2 en 1 one
... Bond lengths and angles in (I) display normal values (Allen et al., 1987) and are comparable to those in related structures (Teh et al., 2006; Patil et al., 2006a,b; Ng et al., 2006; Rosli et al., 2006). The ...
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(E) 1 {4 [Bis(4 bromophenyl)methyl]piperazin 1 yl} 3 (4 ethoxy 3 methoxyphenyl)prop 2 en 1 one
... O3 0.059 (3) 0.107 (4) 0.051 (2) −0.017 (2) 0.013 (2) 0.026 (2) C3 0.106 (6) 0.113 (7) 0.046 (4) −0.034 (5) 0.018 (4) −0.017 (5) C4 0.106 (7) 0.148 (9) 0.046 (4) −0.003 (6) 0.000 ...
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