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[PDF] Top 20 3,4,5 Tri­acetoxybenzoic acid hemihydrate

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3,4,5 Tri­acetoxybenzoic acid hemihydrate

3,4,5 Tri­acetoxybenzoic acid hemihydrate

... Gallic acid (3,4,5-trihydroxybenzoic acid) and its derivatives have been found to be pharmacologically active, and possess antioxidative (Fukumoto & Mazza 2000), antimutagenic, anticarcinogenic (Akao et ... See full document

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Methyl 3′,4′,5′ trimeth­­oxy­bi­phenyl 4 carboxyl­ate

Methyl 3′,4′,5′ trimeth­­oxy­bi­phenyl 4 carboxyl­ate

... 3′,4′,5′-trimethoxy-biphenyl-4-carboxylic acid (21.0 g, 72.8 mmol) was dissolved in MeOH (300 ml) and conc. sulfuric acid (3 ml). The solution was stirred under reflux for ... See full document

9

4 Acetyl 5 methyl 1 phenyl 1H pyrazole 3 carboxyl­ic acid

4 Acetyl 5 methyl 1 phenyl 1H pyrazole 3 carboxyl­ic acid

... To a mixture of 4-acetyl-5-methyl-2,3-dioxo-2,3-dihydrofuran (1.54 g, 10 mmol) and dry ether (30 ml), phenylhydrazine (1.08 g, 10 mmol) in dry ether (10 ml) were added dropwise, and the reaction mixture was ... See full document

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Crystal structure of 4 amino­pyridinium 5 (5 chloro 2,4 di­nitro­phenyl) 1,3 di­methyl 2,6 dioxo 1,2,3,6 tetra­hydropyrimidin 4 olate hemihydrate

Crystal structure of 4 amino­pyridinium 5 (5 chloro 2,4 di­nitro­phenyl) 1,3 di­methyl 2,6 dioxo 1,2,3,6 tetra­hydropyrimidin 4 olate hemihydrate

... (0.02 mol, 1.88 g) dissolved in 20 ml of absolute ethanol was added. The mixture was shaken well for 2–3 h and kept as such at 298 K. After 24 h, the excess of solvent was removed by distillation under reduced ... See full document

9

1 (4 Chloro­benzo­yl) 3 (2,4,6 tri­chloro­phen­yl)thio­urea hemihydrate

1 (4 Chloro­benzo­yl) 3 (2,4,6 tri­chloro­phen­yl)thio­urea hemihydrate

... Freshly prepared 4-chlorobenzoyl isothiocyanate (2.0 g, 10 mmol) was stirred in acetone (40 ml) for 15 minutes. Neat 3,5-dichloroaniline (1.62 g, 10 mmol) was then added and the resulting mixture was stirred for 1 ... See full document

10

Crystal structure of 5 {3 [2,6 di­methyl 4 (5 methyl 1,2,4 oxa­diazol 3 yl)phen­­oxy]prop­yl} N (11 hy­dr­oxy­undec­yl)isoxazole 3 carboxamide hemihydrate

Crystal structure of 5 {3 [2,6 di­methyl 4 (5 methyl 1,2,4 oxa­diazol 3 yl)phen­­oxy]prop­yl} N (11 hy­dr­oxy­undec­yl)isoxazole 3 carboxamide hemihydrate

... substructure 3-{3,5-dimethyl-4-[3-(3-methylisoxazol- ...of 5-{3-[2,6- dimethyl-4-(5-methyl-1,2,4-oxadiazol-3-yl)phenoxy]propyl}iso- ... See full document

12

3 Iso­propyl 1 {2 [(1 methyl 1H tetra­zol 5 yl)sulfan­yl]acet­yl} 2,6 di­phenyl­piperidin 4 one hemihydrate

3 Iso­propyl 1 {2 [(1 methyl 1H tetra­zol 5 yl)sulfan­yl]acet­yl} 2,6 di­phenyl­piperidin 4 one hemihydrate

... To anhydrous DMF(10 ml), N-Chloroacetyl-3-isopropyl-2,6-diphenylpiperidin-4-one (1 mole), 5-Mercapto-1-methyl- tetrazole(1 mole) followed by potassium carbonate (1.5 mole) was added and stirred for 1 ... See full document

9

3 Carb­oxy­anilinium 3 carb­­oxy 4 hy­droxy­benzene­sulfonate: the 1:1 proton transfer compound of 5 sulfosalicylic acid with 3 amino­benzoic acid

3 Carb­oxy­anilinium 3 carb­­oxy 4 hy­droxy­benzene­sulfonate: the 1:1 proton transfer compound of 5 sulfosalicylic acid with 3 amino­benzoic acid

... of 3-carboxy-4-hydroxybenzenesulfonic acid (5- sulfosalicylic acid, 5-SSA) with aniline-type Lewis bases have been ...the 4-X-substituted anilines (X = F, Cl, Br) (Smith ... See full document

10

1 Ethyl 5 methyl 3 methyl­sulfanyl 1H pyrazole 4 carboxylic acid

1 Ethyl 5 methyl 3 methyl­sulfanyl 1H pyrazole 4 carboxylic acid

... S1 0.0827 (7) 0.0813 (7) 0.0406 (5) −0.0260 (5) 0.0116 (4) −0.0163 (4) O1 0.0772 (17) 0.0727 (17) 0.0493 (13) −0.0098 (13) 0.0104 (12) −0.0198 (12) O2 0.090 (2) 0.0600 (16) 0.0522 (14) −0.0139 ... See full document

8

Crystal structure of 4 [(2 hy­dr­oxy 3 meth­­oxy­benz­yl)amino]­benzoic acid hemihydrate

Crystal structure of 4 [(2 hy­dr­oxy 3 meth­­oxy­benz­yl)amino]­benzoic acid hemihydrate

... ideneamino)benzoic acid with ...of 4-aminobenzoic acid with o-vanilline. Both p-aminobenzoic acid and o-vanilline have biological importance, for example as a bacterial cofactor involved in ... See full document

9

Di­ethyl 2,6 di­methyl 4 [4 (3 phenyl­acrylo­yl­oxy)phen­yl] 1,4 di­hydro­pyridine 3,5 di­carboxyl­ate hemihydrate

Di­ethyl 2,6 di­methyl 4 [4 (3 phenyl­acrylo­yl­oxy)phen­yl] 1,4 di­hydro­pyridine 3,5 di­carboxyl­ate hemihydrate

... A mixture of 3-phenyl-acrylic acid 4-formyl-phenyl ester (0.01 mol), ethyl acetoacetate (0.02 mol), and ammonium acetate (0.03 mol) in ethanol (30 ml) was refluxed for 8 h. After the reaction had ... See full document

11

5 Methyl 3 phenyl­isoxazole 4 carb­­oxy­lic acid

5 Methyl 3 phenyl­isoxazole 4 carb­­oxy­lic acid

... Fig. 1 presents an ellipsoid plot of the title compound (I). The (C7/N8/O9/C10/C12) isoxazole ring is in Syn-Clinal conformation with respect to the (C1-C2-C3-C4-C5-C6) phenyl ring, as indicated by the (C1-C6-C7-N8) ... See full document

9

4 Benzyl 3 (2 fur­yl) 1H 1,2,4 triazole 5(4H) thione hemihydrate

4 Benzyl 3 (2 fur­yl) 1H 1,2,4 triazole 5(4H) thione hemihydrate

... e.g., 4- chlorophenyl analogue (Öztürk et al., 2004), 4-methoxyphenyl analogue (Yıldırım et ...and 4-p-tolyl (Dege et ...(Fig. 3, Table 1), forming a 10-membered ring of graph set R ... See full document

12

N (3 Oxo 1 thia 4 aza­spiro­[4 5]dec 4 yl) 6 phenyl­imidazo[2,1 b][1,3]thia­zole 3 acetamide hemihydrate

N (3 Oxo 1 thia 4 aza­spiro­[4 5]dec 4 yl) 6 phenyl­imidazo[2,1 b][1,3]thia­zole 3 acetamide hemihydrate

... (Andreani et al., 1998) and antimycobacterial (Ur et al., 2004). In connection with our previous papers on the synthesis of imidazo[2,1-b]thiazoles (Gürsoy & Ulusoy Güzeldemirci, 2007) and their crystal structures ... See full document

20

3 (4 Meth­­oxy­phen­yl) 5 methylisoxazole 4 carb­­oxy­lic acid

3 (4 Meth­­oxy­phen­yl) 5 methylisoxazole 4 carb­­oxy­lic acid

... A mixture of 4-methoxybenzaldehyde oxime (1 g, 0.0066 mmol), ethyl acetoacetate (1.7219 g, 0.0132 mmol), and chloramine-T trihydrate (1.8591 g, 0.0066 mmol) was warmed on a water bath for 3 h. After the ... See full document

8

2 Hydr­­oxy 3 meth­oxy­benzaldehyde (pyridinium 4 ylcarbon­yl)hydrazone chloride hemihydrate

2 Hydr­­oxy 3 meth­oxy­benzaldehyde (pyridinium 4 ylcarbon­yl)hydrazone chloride hemihydrate

... The title compound was prepared by the condensation of the o- vanillic and isonicotinic acid hydrazide (molar ratio 1:1) in ethanol/ hydrochloric acid (3:1) at room temperature. The resulting solid ... See full document

7

2 Amino 7,7 di­methyl 5 oxo 4 phenyl 1,4,5,6,7,8 hexa­hydro­quinoline 3 carbo­nitrile hemihydrate

2 Amino 7,7 di­methyl 5 oxo 4 phenyl 1,4,5,6,7,8 hexa­hydro­quinoline 3 carbo­nitrile hemihydrate

... Compound (I) was prepared by the reaction of benzaldehyde (1 mmol) with malononitrile (1 mmol), ammonium acetate (3 mmol) and dimedone (1 mmol) under microwave irradiation (yield 85%; m.p. 553–554 K). Single ... See full document

11

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... [r] ... See full document

11

Separation Of Phenylarsonic Compounds By Ion Pairing-Reversed Phase-High Performance Liquid Chromatography

Separation Of Phenylarsonic Compounds By Ion Pairing-Reversed Phase-High Performance Liquid Chromatography

... [asid 3-nitro-4-hidroksifenilarsonik (3-NHPAA), asid p-arsanilik (p-ASA) dan asid fenilarsonik (PA)] telah di peroleh menggunakan tetrabutilammonium klorida 5 mM sebagai reagen pasangan ion di ... See full document

9

Positive association between the plasma levels of 5 hydroxyindoleacetic acid and the severity of depression in patients with chronic obstructive pulmonary disease

Positive association between the plasma levels of 5 hydroxyindoleacetic acid and the severity of depression in patients with chronic obstructive pulmonary disease

... The subjects of this study were outpatients or healthy volunteers. We randomly enrolled 70 patients with COPD, and recruited 36 age- and gender-matched healthy con- trols between September 1 st 2009 and August 31 st 2011 ... See full document

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