4-(pnitrobenzyl)pyridine
4 (4 Nitrobenzyl)pyridine
... X-Ray structure of the title compound was never reported before in its non-coordinated form, even though several works have been published on it's pyridiunium salts/adducts. The adducts with carboxilic acids were ...
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2 (4 Bromophenyl) 4 (4 methoxyphenyl) 6,7,8,9 tetrahydro 5H cyclohepta[b]pyridine
... 2-(4-Bromophenyl)-4-(4-methoxyphenyl)-6,7,8,9-tetrahydro-5H-cyclohepta[b]pyridine was synthesized from the 1,5- diketone derivative (Ceylan & Gezegen, 2008) according to the literature ...
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4 [2 (4 Fluorophenyl)furan 3 yl]pyridine
... The analysis of the crystal structure of the title compound is shown in Fig. 1. The furan ring makes dihedral angles of 40.04 (11)° and 25.71 (11)° to the pyridine ring and the 4-fluorophenyl ring, ...
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Pyridine 2,6 dicarboxylic acid–pyridine 4 carboxamide–water (1/1/1)
... (1.67 g, 10 mmol) and pyridine-4-carboxamide (1.52 g, 10 mmol) in tetrahydrofuran (30 ml) was refluxed for 10 h. After filtration and removal of the solvent, a white powder was obtained. Colourless crystals ...
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Pyridine 4 carbaldehyde–fumaric acid (2/1)
... The pyridine-4-carboxaldehyde and fumaric acid are widely used in the biological and medicinal ...fields. Pyridine-4-carboxaldehyde is used as a starting material for the preparation of ...
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Ethyl 2 amino 4 (4 chlorophenyl) 6 (4 methoxyphenyl)pyridine 3 carboxylate
... reaction of 4-chlorobenzaldehyde, 4-methoxyacetophenone, ethyl cyanoacetate and ammonium acetate under microwave irradiation. X-ray analysis reveals that the benzene rings are orthogonal to each other and ...
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4 (4 Bromophenyl) 2,5 diethoxycarbonyl 6 methylthieno[2,3 b]pyridine
... a 4- (4-bromophenyl)-substituted thieno[2,3-b]pyridine, obtained by the reaction of ethyl 4-(4-bromophenyl)-6-chloro-5-formyl- 2-methyl-1,4-dihydropyridine-3-carboxylate (Verdecia et ...
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4 (4 Bromo 5 methylthiophen 2 yl)pyridine
... Photochromic diarylethenes are among the most promising materials for optical memories and other optoelectronic devices (Irie, 2000). The title compound, (I), can be used to produce ...
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Crystal structure and Hirshfield analysis of the 4 (dimethylamino)pyridine adduct of 4 methoxyphenylborane
... 1.595 (2) A ˚ , respectively] are consistent with formal N—B single bonds, and are within the range observed for other DMAP–borane adducts (see Database survey). Interestingly, the B—H atoms exhibit intramolecular close ...
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4 (Dimethylamino)pyridinium trichlorido[4 (dimethylamino)pyridine κN]cobaltate(II)
... ligand 4-(dimethylamino) pyridine (DMAP) finds use as a homogeneous catalyst in cellulose acyl- ation in the synthesis of biodegradable plastics (Satgé et ...
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Crystal structure of poly[[μ 4 (hydroxymethyl)pyridine κ2N:O][4 (hydroxymethyl)pyridine κN](μ thiocyanato κ2N:S)(thiocyanato κN)cadmium]
... two 4-(hydroxymethyl)pyridine ligands in general ...O-bonding 4-(hydroxymethyl)pyridine ligands. One additional N-bonded 4-(hydroxymethyl)pyridine ligand and one additional ...
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2 (4 Chlorophenacyloxy) 4 methyl 6,7,8,9 tetrahydro 5H cyclohepta[b]pyridine
... of pyridine-based heterocycles (Albov et ...with 4-chlorophenacyl bromide we obtained 1-(4-chlorophenacyl)- 4-methyl-6,7,8,9-tetrahydro-5H-cyclohepta[b]pyridin-2(1H)- one (Albov et ...
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Redetermination of pyridine 4 carbonitrile–chloranilic acid (1/1) at 180 K
... The pyridine-4-carbonitrile molecules are linked on both sides of the dimer via N H O hydrogen bonds to give a centrosymmetric 2:2 complex of pyridine-4-carbonitrile and chloranilic ...The ...
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Benzoylmethyl pyridine 4 carboxylate
... The title compound (I) was obtained by the reaction of 2-bromo-1-phenylethanone and pyridine-4-carboxylic acid using triethylamine as a base to deprotonate the organic acid. An X-ray crystal structure ...
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Diiodidobis[4 (4 nitrobenzyl)pyridine κN1]zinc
... nitrobenzyl)pyridine with zinc(II) iodide, contains two inde- pendent discrete distorted tetrahedral complex units [Zn—I = 2.5472 (8)–2.5666 (7) A ˚ and Zn—N = 2.044 (4)–2.052 (4) A˚], which are ...
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Pyridine 4 carbaldehyde 4 phenylsemicarbazone
... of 4-pyridine carboxaldehyde (1.0711 g, 0.01 mol) and 4-phenylsemicarbazide ...for 4 h in the presence of p-toluenesulfonic acid as catalyst, with continuous ...
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2 (3 Bromo 4 methoxyphenyl)imidazo[1,2 a]pyridine
... The title compound was synthesized from 2-bromo-1-(3-bromo-4- methoxyphenyl)ethanone (0.01 mol) and 2-aminopyridine (0.01 mol) in dimethylformamide (20 ml) at 393–403 K for 24 h in a yield of 56% (1.69 g). ...
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2 (4 Chloroanilino)pyridine
... 2-Chloropyridine (0.5 ml, 5.28 mmol) and 4-chloroaniline (0.67 g, 5.28 mmol) were heated for 5 h. The mixture was cooled and extracted with ether (3 x 100 ml). The ether extract was washed with water and then ...
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Bis(4 {2 [4 (diethylamino)phenyl]ethenyl}pyridine κN)diiodidozinc
... years, pyridine based materials have attracted considerable interests because of their significant applications in the areas of nonlinear optical (NLO), such as two-photon excited fluorescence (TPEF) microscopy, ...
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4 (4 Pyridyl)pyridinium bis(pyridine 2,6 dicarboxylato)chromium(III) tetrahydrate
... , and four uncoordinated water molecules. The anion is a six-coordinate complex with a distorted octahedral geometry around the Cr III atom, formed by two tridentate pyridine-2,6-dicarboxylate, pydc 2 , groups. ...
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