(R)-PROPANE-1
Synthesis and Antibacterial Efficacy of 1 (2', 4' Dihydroxyphenyl) 3 Aryl Propane 1, 3 Diones
... characteristic 1 H NMR peaks and 13 C NMR peaks are consistent with the structure of 1-(2', 4'-dihydroxyphenyl)-3-phenyl-propane-1, 3- dione ...
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1 (4 Chlorophenyl) 3 (2 nitrophenyl)propane 1,2 dione
... Barnes, P. R. & Gist, L. A. (1950). J. Am. Chem. Soc. 72, 2509–2510. Bruker (1999). SAINT. Bruker AXS Inc., Madison, Wisconsin, USA. Bruker (2001). SMART. Bruker AXS Inc., Madison, Wisconsin, USA. Leusen, D. ...
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[N,N′ Bis(1 benzoylisopropylidene)propane 1,3 diamine(2−)]copper(II)
... In the structure of the title compound, (I) (Fig.1), the Cu atom has a distorted tetrahedral coordination geometry involving the two O- and two N-atom donors of the tetra- dentate ligand (Table 1). The Cu ...
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Intramolecular hydrogen bonding in dibenzyl 2,2′ (propane 1,3 diyldiimino)bis(cyclopent 1 ene 1 carbodithioate)
... The bond lengths in the S(6) rings have values (Table 1) typical of a conjugated system [average C—C = 1.39 A ˚ and C—N = 1.320 A ˚ ] (Cambridge Structural Database; Version 5.25; Allen, 2002). These structural ...
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An axially chiral 1,2 diketone: 1 (3,4 dimethoxyphenyl)propane 1,2 dione
... Data collection: CrysAlis CCD Oxford Diffraction, 2001; cell re®nement: CrysAlis RED Oxford Diffraction, 2001; data reduction: CrysAlis RED; programs used to solve structure: SHELXS97 Sh[r] ...
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Bis[1 (2,6 dimethylanilino)propane 1,2 dione dioximato]nickel(II)
... dropwise to a solution of L (0.882 g. 4 mmol) in ethanol (20 ml). A 1% solution of KOH in water was then dripped slowly into the mixture until the pH reached 5.5. The resulting precipitate was removed by suction ...
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Trimethyl 1 (2 methyl 1 phenylsulfonyl 1H indol 3 yl)propane 1,2,3 tricarboxylate
... The molecules in the crystal structure extend along the b axis via intermolecular C—H···O hydrogen bonds involving atoms C23 and O3 (-x,y + 1/2,- z + 1/2). Dimerization of the molecules occurs through ...
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(1S*,2S*) (+) 2 Amino 1 [4 (methylsulfanyl)phenyl]propane 1,3 diol
... As part of a study of pharmaceutical counterions, the crystal structure of (1S*,2S*)-(+)-thiomicamine, (I), at 299 K was solved and refined. The asymmetric unit consists of one mol- ecule (Fig. 1). Two-dimensional ...
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1 (2,6 Dimethylphenylamino)propane 1,2 dione dioxime
... and electron-withdrawing or -donating properties of the substituents bonded to the C atoms of the glyoxime moiety. Comparing the bond lengths and angles of the aminomethyl- glyoxime moiety in the title compound, (I), ...
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1 (4 Chlorophenyl)propane 1,2 dione 2 oxime
... the OÐH distance is 0.82 2 A Data collection: SMART Bruker, 1998; cell re®nement: SMART; data reduction: SAINT Bruker, 1998; programs used to solve structure: SHELXS97 Sheldrick, 1997; p[r] ...
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In Silico Experiments of Carbon Dioxide Atmosphere and Buffer Type Effects on the Biomimetic Coating with Simulated Body Fluids
... framework: 1) carbon dioxide partial pressure; and 2) buffer type (2-Amino-2-hydroxy- methyl-propane-1,3-diol, known as TRIS and 2-[4-(2-hydroxyethyl)piperazin-1-yl] ethanesulfonic acid, also called ...
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(R) 1 Phenylethanaminium–(S,S) 2,3 dibromosuccinate–(R,R) 2,3 dibromosuccinic acid–water (2/1/1/2)
... in almost quantitative yield. The structure contains both enantiomers of the starting material, dibromosuccinic acid. The S,S enantiomer is present as a dianion and the R,R enantiomer as the neutral acid; ...
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(R) 1 Phenyl 1 ethylammonium (R) 2 hydroxymethyl 2 (2 naphthyl)propanoate
... , is the less soluble diastereomeric salt of 2-hydroxymethyl-2-(2-naphthyl)- propanoic acid with (R)-(+)-phenylethylamine. The ammo- nium group of the cation and the carboxylate group of the anion are linked via ...
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The bacterial metabolism of propane
... Simple biochemical tests were performed on the isolates to assign them to the CMN-complex (Table 3.4). All stained Gram-positive though showing more decolouration than a Bacillus sp. used as a Gram-positive control ...
291
Fluorinated halon replacement agents in explosion inerting
... The test procedure was based on the European standard EN 1839:2012, method B. The test apparatus used in this program was a spherical 43 l explosion test vessel, fitted with a spark ignition unit with tungsten electrodes ...
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Study and optimization of a CAD/CFD model for valveless pulsejets
... In the central body an alternate divergent convergent sections pattern is adopted. This configuration allows optimum performance. This pulsejet is designed to maximize efficiency at (internal) supersonic speed. The ...
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A Survey on Detection of Keratoconus R. Kanimozhi 1, Dr. R. Gayathri2
... YARON S. RABINOWITZ et.al [7] presented the differential diagnosis of keratoconus includes keratoglobus, pellucid marginal degeneration and Terrine’ s marginal degeneration. Contact lenses are the most common treatment ...
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(R) Methioninium–(R) mandelate–(R) mandelic acid (1/1/2)
... All reagents were commercially available and of analytical grade. (R)-Methionine (0.14g, 1mmol) and racemic mandelic acid (0.30g, 2mmol) were dissolved in a water/ethanol solution (20ml, 1:1). The ...
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Quantitative evaluation of broadband photoacoustic spectroscopy in the infrared with an optical parametric oscillator
... Abstract: Photoacoustic spectroscopy allows the identification of specific molecules in gases. We evaluate the spectral resolution and detection limits for a PAS system in the broadband infrared wavelength region 3270 nm ...
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(R,R) 1,3 Bis(phenylsulfinyl)propane
... The molecular structure shown in Fig. 1 has the R , R conformation. The dihedral angle between the two phenyl rings is 17.4 (2)° and the torsion angle between the two S═O groups is 69.3 (3)°. A ...
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