[PDF] Top 20 Synthesis, Characterization, Crystal structure and Hirshfeld Surface Analysis of (2 oxo 2H pyridin 1 yl) acetic acid hydrazide
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Synthesis, Characterization, Crystal structure and Hirshfeld Surface Analysis of (2 oxo 2H pyridin 1 yl) acetic acid hydrazide
... A mixture of 2-hydroxy pyridine (1, 0.03 mol) and ethyl chloro acetate (2, 0.045 mol) in dry acetone (40 ml) was treated with anhydrous potassium carbonate (6.2 g, 0.045 mol) and refluxed for 12 h. ... See full document
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Ethyl-8-ethoxy-2-oxo-2H -chromene-3-carboxylate: Synthesis, characterization, crystal and molecular structure and Hirshfeld surface analysis
... the crystal lattice for photo-cycloaddition reactions ...the synthesis and crystal structure of ethyl 8-ethoxy-2-oxo-2H-chromene-3-carboxylate which has been used as key ... See full document
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Crystal structure, spectroscopic characterization and Hirshfeld surface analysis of trans diaqua[2,5 bis(pyridin 4 yl) 1,3,4 oxadiazole]dithiocyanatonickel(II)
... Bi- or multidentate bridging heterocyclic ligands, in particular thiadiazole and oxadiazole derivatives, have been used to bind metal ions, thus generating mono- (Guo et al., 2003), bi- (Mahmoudi & Morsali, 2007) or ... See full document
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Synthesis, characterization, Hirshfeld analysis, crystal and molecular structure studies of 2,6- difluoro phenoxy acetic acid
... from Hirshfeld surface analyses Figure 4, illustrates the difference between the intermolecular interaction patterns and the relative contributions to the Hirshfeld surface (in percentage) for ... See full document
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Crystal structure of 2 oxo 2H chromen 3 yl 4 chlorobenzoate and Hirshfeld surface analysis
... Coumarin and its derivatives are widely recognized for their multiple biological activities, including anticancer (Lacy et al., 2004; Kostova, 2005), anti-inflammatory (Todeschini et al., 1998), antiviral (Borges et al., ... See full document
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Synthesis of metal based chemotherapeutic agents derived from chloro acetic acid[1 (4 hydroxy 6 methyl 2 oxo 2H pyran 3 yl) ethylidene] hydrazide
... in synthesis were of analytical ...Elemental analysis of samples was carried out by using Perkin Elmer 2400 ...disc. 1 H NMR and 13 C NMR were recorded on Bruker Avance II 300 MHz NMR spectrometer ... See full document
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6 Methyl 2 oxo N (quinolin 6 yl) 2H chromene 3 carboxamide: crystal structure and Hirshfeld surface analysis
... the synthesis and crystal structure of the title coumarin–quinoline hybrid, 6-methyl-2- oxo-N-(quinolin-6-yl)-2H-chromene-3-carboxamide, (1) (see ... See full document
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(2Z) 3 Hydroxy 1 (pyridin 2 yl) 3 (pyridin 3 yl)prop 2 en 1 one: crystal structure and Hirshfeld surface analysis
... 2-Acetylpyridine (3.0562 g, 25.2 mmol) was added to a suspension of NaH (60% dispersion in mineral oil, 2.0058 g, 50.0 mmol) in anhydrous THF (10 ml) at room temperature with stirring. Ethyl nicotinate (7.5675g, ... See full document
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Crystal structure and Hirshfeld surface analysis of (E) 2 [1 hydroxy 2 (pyridin 2 yl)ethyl] 4 [2 (4 methoxyphenyl)diazen 1 yl]phenol
... in acid–base indicators and chemical sensors and as electron-transfer catalysts have attracted the interest of many investigators (Tunc¸el & Serin, ...liquid crystal- line displays, electro-optical ... See full document
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N (6 Methoxypyridin 2 yl) 1 (pyridin 2 ylmethyl) 1H pyrazole 3 carboxamide: crystal structure and Hirshfeld surface analysis
... involving acid–amine coupling is an important synthetic tool for the manufacture of pharmaceu- ticals and fine chemicals (Schuele et ...of acid–amine coupling agents, most commonly carbodiimides and onium ... See full document
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Crystal structure, Hirshfeld surface analysis and DFT studies of 2 [5 (4 methylbenzyl) 6 oxo 3 phenyl 1,6 dihydropyridazin 1 yl]acetic acid
... A suspension of ethyl 2-[5-(4-methylbenzyl)-6-oxo-3-phenyl- pyridazin-1(6H)-yl]acetate (3.6 mmol), and 6 N NaOH (14.4 mmol) in ethanol (50 ml) was stirred at 353 K for 4 h. The mixture was ... See full document
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Crystal structure and Hirshfeld surface analysis of 2 [(2 oxo 2H chromen 4 yl)oxy]acetic acid dimethyl sulfoxide monosolvate
... the crystal, molecules are linked by O—H O hydrogen bonds, forming chains running along the c-axis ...the crystal have been analysed using Hirshfeld surface analysis and two-dimensional ... See full document
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Crystal structures and Hirshfeld surface analyses of 4 benzyl 6 phenyl 4,5 dihydropyridazin 3(2H) one and methyl 2 [5 (2,6 dichlorobenzyl) 6 oxo 3 phenyl 1,4,5,6 tetrahydropyridazin 1 yl]acetate
... 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 and Hirshfeld surface analysis of ethyl 2 {4 [(3 methyl 2 oxo 1,2 dihydroquinoxalin 1 yl)methyl] 1H 1,2,3 triazol 1 yl}acetate
... used. Analysis of 226 reflections having I/σ(I) > 12 and chosen from the full data set with CELL_NOW (Sheldrick, 2008) showed the crystal to belong to the triclinic system and to be twinned by a 176° ... See full document
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B. Durga Prasad*,B. Chandra Kanth, D. Prabhakar, K. Praveen Kumar and V. Girija Sastry
... new Synthesis of (N-carbamimidoyl 1-4-(2-oxo-1-(piperidine-1-ylmethyl) indolin-3-ylidineamino) benzene sulphonamide) has been synthesized from isatin & different p-substitute ... See full document
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Synthesis, Single Crystal X ray and Hirshfeld Surface Analysis of (2 (methylthio) thiophen 3 yl)(thiophen 2 yl)methanone
... Bromoacetaldehyde diethyl acetal 2 (1.9 g, 0.01 mol) was added slowly to β-oxodithioates 1a (0.01 mol) in dry Dimethylformamide (DMF) (10 ml) in the presence of anhydrous potassium carbonate (1.2 g). The oil bath ... See full document
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Crystal structure and Hirshfeld surface analysis of 3,6 bis(pyrimidin 2 yl) 1,4 dihydro 1,2,4,5 tetrazine dihydrate
... The chemistry of nitrogen-containing heterocyclic compounds has attracted the attention of the scientific community for over a century. Many compounds of this class are bioactive (Jubeen et al., 2018) and show promising ... See full document
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A 2:1 co crystal of 2 methylbenzoic acid and N,N′ bis(pyridin 4 ylmethyl)ethanediamide: crystal structure and Hirshfeld surface analysis
... parent acid and several co-crystals featuring coformers shown in Scheme 2 are available for comparison; data are collected in Table ...the acid molecules vary from almost co-planar to the situation ... See full document
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Crystal structure of 2 oxo 2H chromen 3 yl propanoate
... 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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(2,4- Dioxo-1,4 - Dihydro - 2h - Quinazolin - 3 - Yl) - Acetic Acid Hydrazide: Synthesis and Reactions
... A mixture of compound 2 (0.5 g, 0.002 mol) and benzoic acid (0.2 g, 0.0016 mol) and 0.5 mL of phosphorous oxy chloride was refluxed for 4hours. After cooling, the reaction mixture was poured into ice-water ... See full document
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