[PDF] Top 20 Crystal structures of two new 3 (2 chloroethyl) r(2),c(6) diarylpiperidin 4 ones
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Crystal structures of two new 3 (2 chloroethyl) r(2),c(6) diarylpiperidin 4 ones
... the 3-(2-chloroethyl)-r-2,c-6-diarylpiperidin-4- ones were removed by filtration and washed first with a 40 ml mixture of ethanol and diethyl ether (1:1) and then ... See full document
14
The crystal structures of six (2E) 3 aryl 1 (5 halogenothiophen 2 yl)prop 2 en 1 ones
... The structures of a number of (2E)-3-aryl-1-(5-chlorothio- phen-2-yl)-prop-2-en-1-one derivatives closely related to compounds (I)–(VI) have been reported recently, usually in the form ... See full document
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Crystal structure of ethyl 2 {4 [(5 chloro 1 benzofuran 2 yl)methyl] 3 methyl 6 oxo 1,6 dihydropyridazin 1 yl}acetate
... During recent years, pyridazinones have been a subject of numerous recent studies (Boukharsa et al., 2014) owing to their wide spectrum of pharmacological activities such as antimicrobial (Nagle et al., 2014), ... See full document
9
Crystal structures of two hydrazinecarbothioamide derivatives: (E) N ethyl 2 [(4 oxo 4H chromen 3 yl)methylidene]hydrazinecarbothioamide hemihydrate and (E) 2 [(4 chloro 2H chromen 3 yl)methylidene] N phenylhydrazinecarbothioamide
... of 4-oxo-4H-chromene-3-carbalde- hyde in 10 cm 3 of ethanol over a period of 10 min with continuous ...for 2 h and allowed to cool whereby a shiny white compound began to separate; this was ... See full document
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(2E) 3 (2 Chloro 7 methylquinolin 3 yl) 1 (6 chloro 2 methyl 4 phenylquinolin 3 yl)prop 2 en 1 one ethanol monosolvate
... Geometry . All s.u.'s (except the s.u. in the dihedral angle between two l.s. planes) are estimated using the full covariance matrix. The cell s.u.'s are taken into account individually in the estimation of s.u.'s ... See full document
12
Crystal structures of two C,N disubstituted acetamides: 2 (4 chlorophenyl) N (2 iodophenyl)acetamide and 2 (4 chlorophenyl) N (pyrazin 2 yl)acetamide
... Table 2; an attempt to refine similarly the corresponding H-atom coordinates in compound (I) led to an unsatisfactorily low value, ...o 2 )/mean(F c 2 )] for the ... See full document
13
Crystal structures of ethyl {2 [4 (4 isopropylphenyl)thiazol 2 yl]phenyl}carbamate and ethyl {2 [4 (3 nitrophenyl)thiazol 2 yl]phenyl}carbamate
... Marine actinomycetes are prolific producers of biologically active natural products. This unique habitat has led to the abundant chemical diversity of metabolites that provides a foundation for the discovery of promising ... See full document
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Crystal structure of (R) 6 fluoro 2 [(S) oxiran 2 yl]chroman
... enantiopure 2-chloro-1-(6-fluoro-chroman-2-yl)-1-ethanol (Jas et ...enantiopure 6-fluoro-4-oxo-3,4-dihydro-2H-chromene-2-carboxylic ...a new stereogenic ... See full document
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Crystal structure of 2 (4 chlorophenyl) 4 (1H indol 3 yl) 6 phenylpyridine 3 carbonitrile
... of 3-(1H-indol-3-yl)-3-oxopropanenitrile 1 (1 mmol), 4,4,4-trifluoro-1-phenylbutane-1,3-dione 2 (1 mmol) and 4-chloro benzaldehyde 3 (1 mmol) in the presence of ... See full document
9
(2E) 3 (6 Chloro 2 methoxyquinolin 3 yl) 1 (2 methyl 4 phenylquinolin 3 yl)prop 2 en 1 one acetone monosolvate
... A mixture of 3-acetyl-2-methyl-4-phenylquinoline (260 mg, 0.001 M) and 2,6-dichloroquinoline-3-carbaldehyde (230 mg, 0.001 M) in methanol (20 ml) containing potassium hydroxide (0.2 g) was ... See full document
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Synthesis and Bioevaluation of 4-[(2/4-Chloro-/2, 3-Dichloro-/2/4-Bromo-/2, 4-Dinitro-/4-Nitrophenyl) Anilinomethyl]-6-T-Butyl-2h-1-Benzopyran-2-Ones.
... A mixture of p-t-butylphenol (1, 1.5g, 10 mmol) and ethyl-4-chloroacetoacetate (2, 1.64 ml; 10 mmol) was added to sulphuric acid (25 ml; 73%) with constant stirring. After the addition was complete, the ... See full document
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Crystal structure of (S) 5 chloro N ({2 oxo 3 [4 (3 oxomorpholin 4 yl)phenyl]oxazolidin 5 yl}methyl)thiophene 2 carboxamide
... oxazolidine ring of molecule A is almost planar [the maximum deviation is 0.048 (6) A ˚ for the O2A atom], whereas the oxazolidine ring of molecule B displays an envelope confor- mation with atom C8B as the flap. ... See full document
14
Crystal structures of two C,N disubstituted acetamides: 2 (4 chlorophenyl) N (2 iodophenyl)acetamide and 2 (4 chlorophenyl) N (pyrazin 2 yl)acetamide
... either 2-iodoaniline for (I), or 2-aminopyrazine for (II), were dissolved in dichloromethane (20 ml) in the presence of 1-ethyl-3-(3-dimethylaminopropyl)carbodiimide hydrochloride ...for ... See full document
13
Crystal structures of two 6 (2 hydroxybenzoyl) 5H thiazolo[3,2 a]pyrimidin 5 ones
... acid, activated with (benzotriazol-1-yloxy)tripyrrolidinylphosphonium hexa- fluoridophosphate (PyBOP), was reacted with a primary heteromamine. Instead of the expected amidation, the unusual title ... See full document
14
2′ Hydroxy 3′ (morpholin 4 yl methyl) 4′,6′ dimethoxy 2 chloro chalcone
... The title compound was obtained from phloroglucinol via the Hoesch reaction (Gulati et al., 1943), etherification (Juntend & Junte, 1988), Aldol condensation (Bu et al., 1997) and the Mannich reaction (Wilds et al., ... See full document
9
Crystal structures of three 3 chloro 3 methyl 2,6 diarylpiperidin 4 ones
... and 3-chloro-2-butanone ...the 3-chloro, 3-methyl-r(6),c(6)- diarylpiperidin-4-one was removed by filtration and washed first with a 40 ml ... See full document
19
Crystal structures of isoquinoline–3 chloro 2 nitrobenzoic acid (1/1) and isoquinolinium 4 chloro 2 nitrobenzoate
... the two components are linked by a short hydrogen bond between a base N atom and a carboxy O ...over two positions with N and O site occupancies of 0.30 (3) and ...the crystal of (I), the ... See full document
13
Crystal structures of two isomeric 2 aryl 3 phenyl 1,3 thiazepan 4 ones
... (Fig. 3) apart from the nitro ...both structures adopt chair ...for 2. The dihe- dral angles between the aromatic rings attached to the 2 and 3 positions of the thiazepan rings are ... See full document
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2 (4 Chloro 1H indol 3 yl)acetonitrile
... Cl1 0.0658 (7) 0.0684 (5) 0.0413 (6) −0.0070 (6) 0.0135 (6) −0.0086 (8) N1 0.050 (3) 0.056 (2) 0.029 (3) −0.0015 (13) 0.004 (2) 0.0031 (12) N3 0.124 (3) 0.050 ... See full document
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Crystal structure of (E) 2 [(4 chloro 2H chromen 3 yl)methylidene] N cyclohexylhydrazinecarbothioamide
... the cyclohexyl ring, respectively. The cyclohexyl ring adopts a chair conformation. The N–H atoms of the thiourea unit adopt an anti conformation. The chromene group is positioned trans, whereas the cyclohexyl ring lies ... See full document
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