[PDF] Top 20 2,4 Diethylthioxanthen 9 one
Has 10000 "2,4 Diethylthioxanthen 9 one" found on our website. Below are the top 20 most common "2,4 Diethylthioxanthen 9 one".
1 Acetyl 3 ethyl r 2,c 6 di 2 furylpiperidin 4 one
... In the paper by Balamurugan, Thiruvalluvar, Manimekalai, Selvaraju & Maruthavanan [Acta Cryst. (2006), E62, o2005– o2006], the two first sentences in the Abstract contain errors. The correct text is "In the title ... See full document
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9 Ethyl 3 (2 methylbenzoyl) 9H carbazole
... (Fig. 2; Cg1 and Cg2 are the centroids of the C3–C8 benzene ring and the C3/C8/C9/C14/N pyrrole ring, respectively, symmetry code as in ...; one between the hydrogen on the benzene ring and the benzene ring ... See full document
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Crystal structure of (E) 4 ethyl 2 (4 methoxybenzylidene) 3,4 dihydronaphthalen 1(2H) one
... The molecule of the title compound is formed by two fused rings linked to an ethyl group and to a 4-methoxybenzyl- idene moities as shown in Fig.1. The cyclohexanone ring adopts a screw-boat conformation as ... See full document
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(E) 2 {N Ethyl 4 [(4 nitrophenyl)diazenyl]anilino}ethyl acrylate
... C7 0.0189 (7) 0.0161 (7) 0.0195 (7) 0.0015 (6) −0.0007 (6) 0.0008 (5) C8 0.0208 (7) 0.0138 (6) 0.0206 (6) −0.0004 (6) −0.0007 (6) 0.0005 (6) C9 0.0233 (7) 0.0124 (6) 0.0196 (6) 0.0010 (6) −0.0005 (6) −0.0006 (5) C10 ... See full document
9
Ethyl 9 dicyanomethylene 2,5,7 trinitrofluorene 4 carboxylate
... To a suspension of 2,5,7-trinitro-9-oxofluorene-4-carboxylic acid (10.0 g, 27.8 mmol), (II), in thionyl chloride (50 ml) a catalytic amount of N,N-dimethylformamide (2 drops) was added. The mixture ... See full document
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Diethyl 2 aminothiazole 4,5 dicarboxylate hemihydrate
... the ethyl ester carbonyl O atom. In the other four known thiazoles with ethyl ester substituents at the 5-position and substituted 2-amino N atoms, two have tertiary amino groups, ...viz. ... See full document
9
4 (9 Anthryl) 1 (4 methoxyphenyl)spiro[azetidin 3,9′ xanthen] 2 one
... The authors acknowledge the Faculty of Arts and Sciences, Ondokuz Mayıs University, Turkey, for the use of the Stoe IPDS-2 diffractometer (purchased under grant F.279 of the University Research Fund). AJ and EE ... See full document
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4 (9 Anthryl) 1 phenylspiro[azetidine 3,9′ xanthen] 2 one
... The β-lactam unit in (I) (Fig. 1) is essentially planar, with a maximum deviation of 0.003 (3) Å from the mean plane. The β-lactam ring makes a dihedral angle of 17.4 (2)° with the phenyl ring C30—C35. In the ... See full document
13
4 (9 Anthryl) 1 (2 methoxyphenyl)spiro[azetidin 3,9′ xanthen] 2 one
... Its -lactam ring is essentially planar, with a maximum deviation of 0.021 (1) A ˚ . The -lactam ring makes dihedral angles of 18.815 (9), 83.33 (7) and 53.62 (8) with the mean planes of the benzene, xanthene and ... See full document
14
8 Ethyl 2 hydroxy 2 methyl 4 morpholinoethyl 1 thia 4 azaspiro[4 5]decan 3 one
... C12 0.0495 (7) 0.0392 (6) 0.0417 (6) −0.0123 (5) −0.0192 (6) −0.0059 (5) C13 0.0437 (7) 0.0516 (7) 0.0431 (7) −0.0171 (6) −0.0075 (6) −0.0058 (5) C14 0.0662 (9) 0.0691 (10) 0.0389 (7) −0.0239 (8) −0.0104 (7) ... See full document
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3 (5 Ethyl 2 methyl 4 nitro 2H pyrazole 3 carbonyl)oxazolidin 2 one
... The structural identity of the product, (I) (Fig. 1), has been established crystallographically. An inspection of the geometric parameters collected in Table 1 indicates that there is considerable delocalization of ... See full document
6
2 (3 Ethyl 2,3,4,5 tetrahydro 4 oxo 2 thioxo 4 thiazolidin 5 ylidene) 1,2 dihydroacenaphthylen 1 one
... geometry around the N atom is planar trigonal (Table 1). In (I), atom C3 acts as a donor for a weak intermolecular CÐH O interaction with carbonyl atom O2 of the thia- zolidinone moiety of an adjacent molecule. This ... See full document
8
Crystal structure and theoretical studies of two π conjugated fused ring chalcones: (E) 1 (anthracen 9 yl) 3 (9 ethyl 9H carbazol 3 yl)prop 2 en 1 one and (E) 1 (anthracen 9 yl) 3 [4 (9H carbazol 9 yl)phenyl]prop 2 en 1 one
... Chalcones satisfy the criteria of three features essential for high nonlinear activity in an organic compound, which are: a strong electron donor, a highly polarizable -conjugated bridge and a strong -electron acceptor. ... See full document
24
Ethyl 4 (2 chloro 4 nitrophenoxy)benzoate
... A mixture of ethyl 4-hydroxybenzoate (17.0 g, 102 mmol), KOH (6.0 g, 106 mmol) in dimethylformamide (50 ml) and toluene (80 ml) was heated to reflux for 6 h with a Dean–Stark apparatus to remove the water. ... See full document
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(E) 3 (9 Ethyl 9H carbazol 3 yl) 1 (2 methoxyphenyl)prop 2 en 1 one
... and 9-ethyl-9H-carbazole-3-carbaldehyde ...for 4 h. The reaction suspension was poured onto cold H 2 O and the mixture was neutralized ... See full document
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3 Ethyl 4 hydroxy 8 methoxyquinolin 2(1H) one
... (Fig. 2) two 3-ethyl-4-hydroxy-8-methoxyquinolin-2(1H)-one molecules are connected by two intermolecular N—H···O hydrogen bonds between protonated nitrogen atom and carbonyl ... See full document
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9 Ethyl 2,3 dihydro 9H carbazol 4(1H) one
... system adopts a sofa conformation. The crystal structure is stabilized by C—H O interactions between methyl H atoms of the ethyl substituents and the O atoms of carbonyl groups of adjacent molecules, and by an ... See full document
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1 Ethyl 4 hydroxyquinolin 2(1H) one
... the ethyl H atoms and the planar quinolone ...the 4-position are also distorted, but, in contrast to (II), this distortion is caused by the formation of zigzag hydrogen-bonded chains along the [010] ... See full document
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Ethyl 2 (acetylamino) 2 (9 hydroxy 10 oxo 9,10 dihydro 9 phenanthrenyl)acetate
... The bond lengths and angles in (I) are within normal ranges (Allen et al., 1987). The values within the phenanthrene moiety (C1±C14) agree with the corresponding values in related structures (Usman et al., 2002; Wang et ... See full document
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Synthesis of 4-[(2′ Substituited) Phenyl]-1′, 2′-Di Substituted Anilino Ethyl Coumarin as Anti Bacterial and Antifungal Agents
... Coumarin is a simple oxygen containing heterocyclic compound, present in Melilot and Tonca been. It is the odoriferous principle Woodruffs which led to its wide spread used as perfumery in chemical industry. Coumarin ... See full document
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