[PDF] Top 20 Ethyl 2,3,5,6 tetramethylbenzoate
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3 (4 Bromophenylsulfonyl) 5 ethyl 2 methyl 1 benzofuran
... of 5-ethyl-2-methyl-1-benzofuran derivatives containing 4- fluorophenylsulfonyl (Choi et ...or 3-fluorophenylsulfonyl (Choi et al., 2011) substituents in the 3-position, we ... See full document
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Ethyl 2 (3,5 dinitrobenzamido)benzoate
... In spite of the fact that the molecule is an extensively conjugated aromatic system, the molecule is not co-planar. This may be due to the steric hindrance between the ortho-H ··· amide H-atoms. The twisting away from ... See full document
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3 (5 Ethyl 2 methyl 4 nitro 2H pyrazole 3 carbonyl)oxazolidin 2 one
... Data collection: PROCESS-AUTO (Rigaku, 1998); cell re®ne- ment: PROCESS-AUTO; data reduction: CrystalStructure (Rigaku and Rigaku/MSC, 2000±2004); program(s) used to solve structure: SIR97 (Altomare et al., 1999); ... See full document
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Ethyl 2 [3 (3,5 Dinitrobenzoyl)thioureido]benzoate
... N1 0.0734 (15) 0.0413 (10) 0.0509 (12) 0.0056 (9) 0.0185 (10) −0.0003 (8) N2 0.0776 (15) 0.0480 (11) 0.0434 (12) 0.0094 (10) 0.0178 (11) −0.0029 (9) N3 0.0820 (18) 0.0479 (13) 0.092 (2) 0.0105 (12) −0.0056 (16) ... See full document
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Ethyl 2 (5 methoxy 2 methyl 1H indol 3 yl)acetate
... named 2-{1-[(4-chlorophenyl)carbonyl]-5-methoxy-2-methyl-1H-indol-3-yl}acetic acid is a non-steroidal drug (NSAID) and is commonly used as an anti-inflammatory drug by inhibiting ... See full document
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Ethyl 2 allylsulfanyl 4 (4 methoxyphenyl) 6 methyl 1,4 dihydropyrimidine 5 carboxylate
... The title compound, (I), belongs to the class of 5-substituted 1,2,3,4-tetrahydropyrimidin-2-ones, which are known as `Biginelli compounds′ (Kappe, 1993). The Biginelli reaction is a classic multicomponent ... See full document
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Ethyl 6 amino 5 cyano 2 methyl 4 phenyl 4H pyran 3 carboxylate
... In (I), the pyran ring is slightly distorted and adopts a boat conformation (Fig. 1). Atoms C3 and O1 deviate from the basal plane defined by the atoms C1/C2/C4/C5 by 0.236 (2) and 0.120 (2) A ˚ , ... See full document
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Crystal structure of ethyl 4 (2 fluorophenyl) 6 methyl 2 sulfanylidene 1,2,3,4 tetrahydropyrimidine 5 carboxylate
... molecules in the asymmetric unit. In each molecule, the pyrimidine ring adopts a sofa conformation with the sp 3 - hybridized C atom forming the flap and the fluoro-substituted ring in an axial position. In the ... See full document
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Synthesis and Properties of a New Unsymmetrical 1 (2 methyl 3 benzothienyl) 2 [2 methyl 5 (4 ethyl benzoate) 3 thienyl] perfluorocyclopentene
... With the development of phtochromism compounds, diarylethene derivatives as the most promising candidates has received considerable current attention due to their excellent fatigue resistance, expeditious response and ... See full document
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An efficient ultrasonic-assisted synthesis of ethyl-5-(aryl)-2-(2-alkokxy-2-oxoethylidene)-7-methyl-3-oxo-3, 5-dihydro-2H-thiazolo [3, 2-a] pyrimidine-6-carboxylate derivatives
... of ethyl aceto acetate, aldehydes and thiourea in the presence of modified montmorillonite nanostructure as a catalyst and used as key intermediates for the synthesis of ... See full document
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Methyl 2,4 dihydroxy 5 (2 methylpropanamido)benzoate
... of methyl 5-amino-2,4-dihydroxybenzoate is almost planar with ...Fig. 2) completing S(5) and S(6) ring ...Fig. 2) resulting in the formation of one dimensional polymeric network ... See full document
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Methyl 2 benzyloxy 6 (2 methyl 1,3 dioxolan 2 yl)benzoate monohydrate
... C3 0.0379 (9) 0.0354 (8) 0.0582 (10) −0.0099 (7) 0.0129 (8) −0.0018 (7) C4 0.0409 (9) 0.0350 (8) 0.0440 (9) −0.0027 (6) 0.0109 (7) −0.0063 (7) C5 0.0309 (8) 0.0301 (7) 0.0343 (7) 0.0035 (5) 0.0082 ... See full document
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Ethyl 6 (2 chlorophenyl) 4 methyl 1 (3 oxobutyl) 2 thioxo 1,2,3,6 tetrahydropyrimidine 5 carboxylate
... C9 0.0405 (15) 0.0351 (14) 0.0444 (14) −0.0097 (11) 0.0008 (11) −0.0197 (12) C10 0.0410 (15) 0.0432 (16) 0.0527 (17) −0.0110 (12) −0.0025 (12) −0.0210 (13) C11 0.0548 (19) 0.0435 (18) 0.065 (2) −0.0028 (15) ... See full document
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Benzyl 4 ethyl 3 methyl 5 (phthalimidomethyl)pyrrole 2 carboxylate
... C55 0.0278 (7) 0.0466 (10) 0.0450 (9) 0.0006 (7) 0.0077 (6) −0.0003 (8) C56 0.0367 (8) 0.0424 (10) 0.0479 (9) 0.0064 (7) −0.0035 (7) 0.0073 (8) C57 0.0473 (9) 0.0357 (9) 0.0378 (8) −0.0018 (7) 0.0020 (7) 0.0125 ... See full document
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Ethyl 3 methyl 6 oxo 5 [3 (trifluoromethyl)phenyl] 1,6 dihydro 1 pyridazineacetate
... N1 0.0691 (16) 0.0412 (15) 0.0562 (17) −0.0025 (12) 0.0056 (12) 0.0068 (13) N2 0.0645 (16) 0.0383 (15) 0.0652 (18) −0.0056 (12) 0.0061 (12) 0.0004 (13) O1 0.1078 (18) 0.0442 (14) 0.0800 (17) 0.0224 (13) 0.0083 (13) ... See full document
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Methyl 5 chloro 2 {[(trifluoromethyl)sulfonyl]amino}benzoate
... C6 0.091 (5) 0.051 (4) 0.055 (4) −0.002 (4) −0.010 (4) −0.016 (3) C7 0.086 (5) 0.050 (4) 0.055 (4) −0.007 (4) −0.008 (4) −0.006 (3) C8 0.17 (1) 0.108 (8) 0.095 (7) −0.049 (8) −0.042 (7) 0.039 ... See full document
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Ethyl 5 methyl 3 phenylisoxazole 4 carboxylate
... A mixture of benzaldehyde oxime (1 g, 8.33 mmol), chloramine-T (2.33 g, 8.33 mmol) and freshly distilled ethyl aceto- acetate (2.16 g, 16.6 mmol) in ethyl alcohol (20 ml) were stirred at 10°C about 6 ... See full document
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Ethyl 6 methyl 2 oxo 4 phenyl 1,2,3,4 tetrahydropyrimidine 5 carboxylate
... of 2-oxo- and 1,2,3,4-tetrahydropyrimidine-5-carboxylic acids, which exhibit a wide spectrum of biological activities. The dihydropyrimidine ring adopts a screw-boat conformation. The crystal packing is ... See full document
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Ethyl 6 methyl 2 (3 nitrophenoxy) 4 oxo 3 phenyl 3,4 dihydrofuro[2,3 d]pyrimidine 5 carboxylate
... The structure is stabilized by weak C—H O hydrogen- bond interactions (Table 1) that link the molecules into interconnected rows along b (Fig. 2). Further stability is provided by offset – stacking interactions ... See full document
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Methyl 3 benzoyl 3 (6 methyl 2 pyridyl) 2 phenylacrylate
... of 5-methyl-2-phenylindolizine in a methanol-containing benzene solution and was isolated from the reaction mixture by column chromatography on silica ... See full document
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