[PDF] Top 20 2,3 Dihydro 5,6 dimethyl 1,4 dithiine 1,1,4 trioxide
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![rac 5′′ (4 Fluorobenzylidene) 1′ (4 fluorophenyl) 1′′ methyl 1′,2′,3′,5′,6′,7′,8′,8a′ octahydrodispiro[acenaphthylene 1,3′ indolizine 2′,3′′ piperidine] 2,4′′(1H) dione](data:image/gif;base64,R0lGODlhAQABAIAAAP///wAAACH5BAEAAAAALAAAAAABAAEAAAICRAEAOw==)
rac 5′′ (4 Fluorobenzylidene) 1′ (4 fluorophenyl) 1′′ methyl 1′,2′,3′,5′,6′,7′,8′,8a′ octahydrodispiro[acenaphthylene 1,3′ indolizine 2′,3′′ piperidine] 2,4′′(1H) dione
... In the title compound (Fig.1), the pyridinone ring adopts twisted half chair conformation with atoms N2 and C2 deviating by -0.355 (3)Å and 0.415 (3)Å respectively, from the mean plane defined by ... See full document
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(2E) 3 (4 Fluorophenyl) 1 [5 methyl 1 (4 methylphenyl) 1H 1,2,3 triazol 4 yl]prop 2 en 1 one1
... tion about the C C bond [1.328 (3) A ˚ ] is E, and the triazole methyl group and the carbonyl O atom are syn. In the crystal, centrosymmetrically related molecules are connected by – interactions between ... See full document
8
1′ (1,3 Diphenyl 1H pyrazol 4 yl) 1′′ methyl 2′,3′,5′,6′,7′,7a' octahydro 1′H dispiro[1 benzopyran 3,2′ pyrrolizine 3′,3′′ indoline] 2′′,4 dione
... Data collection: APEX2 (Bruker, 2008); cell refinement: SAINT (Bruker, 2008); data reduction: SAINT; program(s) used to solve structure: SHELXS97 (Sheldrick, 2008); program(s) used to refine structure: SHELXL97; ... See full document
12
3 (4 Bromophenylsulfonyl) 5 ethyl 2 methyl 1 benzofuran
... 3-Chloroperoxybenzoic acid (77%, 448 mg, 2.0 mmol) was added in small portions to a stirred solution of 3-(4-bromo- phenylsulfanyl)-5-ethyl-2-methyl-1-benzofuran (312 mg, ... See full document
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3 Ethoxycarbonyl 4 hydroxy 6 (methoxymethoxy) 1 methyl 2 quinolone
... example 3-benzoyl-1-ethyl-4-hydroxy-2-quinolone (Borowiec et ...and 2-oxo-4-hydroxy-3-(1-phenylethylaminocarbonyl)- 1-pentylquinoline (Ukrainets et ... See full document
7
3 (4 Bromophenylsulfinyl) 5 cyclohexyl 2 methyl 1 benzofuran
... (Fig. 1), the benzofuran unit is essentially planar, with a mean deviation of ...the 4-bromophenyl ring and the mean plane of the benzofuran fragment is ...(Fig. 2) is stabilized by weak ... See full document
8
3 (4 Chlorophenylsulfonyl) 5 isopropyl 2 methyl 1 benzofuran
... (Fig. 1), the benzofuran unit is essentially planar, with a mean deviation of ...the 4-chlorophenyl ring and the mean plane of the benzofuran fragment is ...(Fig. 2) is stabilized by weak ... See full document
9
1 (4 Methoxyphenyl) 2 (6 methyl 2 nitro 3 pyridyloxy)propan 1 one
... aromatic rings, but with different substituents. No signi®cant differences were found in the bond distances and angles of the two molecules, except that, in the case of (III), keto atom O4 is 0.201 (5) AÊ out of ... See full document
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5′′ (4 Methoxybenzylidene) 1′ (4 methoxyphenyl) 1′′ methyl 1′,2′,3′,5′,6′,7′,8′,8a′ octahydrodispiro[acenaphthylene 1,3′ indolizine 2′,3′′ piperidine] 2,4′′(1H) dione
... adopts a twisted half-chair conformation with the N atom deviating by 0.3304 (1) and with the methylene C atom adjacent to the octahydroindolizine unit deviating by 0.444 (3) A ˚ from the mean plane defined ... See full document
12
5′′ (4 Chlorobenzylidene) 1′ (4 chlorophenyl) 1′′ methyl 1′,2′,3′,5′,6′,7′,8′,8a' octahydrodispiro[acenaphthylene 1,3′ indolizine 2′,3′′ piperidine] 2,4′′(1H) dione
... adopts a twisted half-chair conformation. The fused pyrroli- dine and piperidine rings of the octahydroindolizine unit exhibit envelope (with the C atom bound to the C atom bearing the chlorobenzene ring being the flap ... See full document
12
Synthesis and pharmacological screening of novel 6-methyl-2-oxo-4-substituted-5-(5-phenyl-1, 3, 4-oxadiazole-2yl)-1, 2, 3, 4-tetrahydropyrimidine
... Preparation of standard and test drug solutions The standard drugs and synthesized compounds were dissolved in minimum quantity of Dimethyl Formamide (DMF) and the volume is adjusted with distilled water to get 50µg/ml ... See full document
6
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 ... See full document
13
5 (4 Chlorophenyl) 1 methyl 3 oxocyclohexanecarbonitrile
... of 5–4′-chlorophenyl-3-methylcyclohex-2-enone ...CH 2 Cl 2 (3x10 ml) and the organic layer was dried, evaporated and purified by column chromatography (hexane-EtOAc, ... See full document
7
5 Chloro 2 methyl 3 (4 methylphenylsulfonyl) 1 benzofuran
... of 5-chloro-2- methyl-3-(4-methylphenylsulfanyl)-1-benzofuran (346 mg, ...acetate, 4:1 v/v) to afford the title compound as a colorless solid [yield 68%, ... See full document
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SYNTHESIS OF 4 (4 DI SUBSTITUTED AMINO(PHENYL) METHYL)1 3 HYDROXY NAPHTHALEN 2 OL)DIZENYL
... metal ions, and Cu (II) complex with Betti base has been reported 8 . Several studies have been centered on the catalysis of this reaction, using different bases or metal salts 9 . Acidic hydrolysis of the ring compound ... See full document
9
1 [4 (4 Isopropylphenyl) 6 methyl 2 sulfanylidene 1,2,3,4 tetrahydropyrimidin 5 yl]ethanone
... A solution of acetylacetone (1.0012 g, 0.01 mol), 4-isopropylbenzaldehyde (1.48 g, 0.01 mol) and thiourea (1.14 g, 0.015 mol) was heated under reflux in the presence of calcium fluoride (0.07 g, 0.001 mol) for ... See full document
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2 (Di phenyl methyl idene) 2,3 di hydro 1H inden 1 one
... with the dihedral angles 70.30 (12)° and 44.74 (13)°, respectively. The torsion angles of these two benzene groups are [C14—C7—C8—C9] = 56.4 (3)° and [C14—C7—C6—C5] = 36.5 (4)°. The rest of the molecule is ... See full document
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1 [4 (4 Fluorophenyl) 6 methyl 2 sulfanylidene 1,2,3,4 tetrahydropyrimidin 5 yl]ethanone
... O15 0.0259 (14) 0.0370 (16) 0.099 (3) 0.0146 (12) 0.0106 (15) 0.0218 (16) N1 0.0226 (16) 0.0336 (17) 0.061 (2) 0.0104 (13) 0.0064 (14) 0.0118 (15) N3 0.0276 (16) 0.0267 (16) 0.052 (2) 0.0093 (13) ... See full document
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1 [1 (4 Fluorophenyl) 2 methyl 5 phenyl 1H pyrrol 3 yl]ethanone
... Molecular organization and molecular interactions are the features that are responsible for molecules exhibiting different functional properties. An understanding of non-covalent interactions becomes essential for ... See full document
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1 Hydroxyethyl 2 methyl 5 nitroimidazolium 3 carboxy 4 hydroxybenzenesulfonate
... In the crystal structure, the ions are linked by a combination of intermolecular O—H O, N—H O and C—H O hydrogen bonds, forming a three-dimensional framework. The hydroxyl group of the cation is disordered over two sites ... See full document
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