5-Bromo-2
5 Bromo 2 hydroxybenzaldehyde 4 ethylthiosemicarbazone
... using 5-bromo-2-hydroxybenzaldehyde and 4- ethyl-3-thiosemicarbazide ...Isostructural 5-chloro-2-hydroxybenzaldehyde-4-ethylthiosemicarbazone was reported previously (Lo et ...
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Synthesis, crystallographic analysis and Hirshfeld surface analysis of 4 bromo 2 {[2 (5 bromo 2 nitrophenyl)hydrazin 1 ylidene]methyl} 5 fluorophenol
... 5-Bromo-4-fluoro-2-hydroxybenzaldehyde (0.5 mmol) was dissolved in hot absolute ethanol (10 mL) and an equimolar amount of 5-bromo-2-nitrophenylhydrazine, dissolved in a minimum ...
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5 Bromo 2 hydroxybenzene 1,3 dicarbaldehyde
... 5-Bromo-2-hydroxybenzene-1,3-dicarbaldehyde, (I), is a precursor in the synthesis of Robson-type ligands (Pilkington & Robson, 1970; Fenton, 1999). Bond lengths and angles are in the usual ...
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5 Bromo 2 chloropyrimidin 4 amine
... To a solution of stannous chloride dihydrate (2.8 ml, 0.012 mole) in hydrochloric acid (30 ml) cooled to 273K, 5- bromo-2-chloro-4-nitropyrimidine (2 g, 0.0083 mole) was added in portions ...
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3 Amino 5 bromo 2 iodopyridine
... To a solution of 3-amino-5-bromopyridine (100 mg, 0.56 mmol) in acetic acid (0.1 M, 5.61 ml) was added N-iodo- succinimide (133 mg, 0.56 mmol) at rt. After 3 h, the reaction was quenched with sat. sodium ...
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5 Bromo 2 methylpyridine N oxide
... compound, 5-bromo-2-methylpyridine (80 g, 462 mmol) was suspended in glacial acetic acid (300 ml), aqueous hydrogen peroxide (35%) was added and the mixture was heated in a water-bath at 343-353 ...
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N′ (5 Bromo 2 methoxybenzylidene) 2 hydroxybenzohydrazide
... The title compound was prepared by the Schiff base condensation of 5-bromo-2-methoxybenzaldehyde (0.1 mol) and 2- hydroxybenzohydrazide (0.1 mol) in 95% ethanol (50 ml). The excess ethanol was ...
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Methyl 5 bromo 2 chloropyridine 3 carboxylate
... A solution of 5-bromo-2-hydroxynicotinic acid (0.138 mol) and N, N -dimethylformamide (0.138 mol) in thionyl chloride (160 mL) was refluxed for 2 h. Thionyl chloride was evaporated and the ...
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5 Bromo 2 hydroxybenzonitrile
... of 5-bromo-2-hydroxyaldoxime to the nitrile (Tamilselvan et ...from 5- chloro-2-hydroxybenzonitrile in the presence of bromide ions (Bonnichon et ...The ...
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5 Bromo 2 p tolylisoindoline 1,3 dione
... A mixture of 5-bromoisobenzofuran-1,3-dione (0.01 mol) and p- toluidine (0.01 mol) in acetic acid (10 ml) was refluxed for 4 h. After cooling, filtration and drying, the title compound was obtained. 10 mg of (I) ...
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4 Bromo 2 [(E) (2 {2 [(2 {[(E) 5 bromo 2 hydroxybenzylidene]amino}phenyl)sulfanyl]ethylsulfanyl}phenyl)iminomethyl]phenol
... comprises half of a Schiff base ligand, the whole molecule being generated by a crystallographic inversion center located at the mid-point of the C—C bond of the central methylene segment. Intramolecular O—H N and O—H S ...
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N′ (5 Bromo 2 hydroxybenzylidene) 3 hydroxybenzohydrazide
... The asymmetric unit of the title compound contains two crystallographically independent molecules (Fig. 1) with slightly different conformation with respect to the aromatic ring planes. The dihedral angles between the ...
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5′ Bromo 2′ hydroxyacetophenone
... bond; the O O distance for the hydrogen bond in the two molecules is unchanged at 2.559 (2) A ˚ (Filarowski et al., 2004). The corresponding distance for the intramolecular O— H O interaction (Table 1) in the ...
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(5 Bromo 2 methoxyphenyl)(4 ethylcyclohexyl)methanone
... Br1 0.02108 (10) 0.03198 (11) 0.02822 (11) 0.00216 (7) −0.00667 (7) 0.00102 (8) O1 0.0236 (6) 0.0242 (6) 0.0208 (6) 0.0053 (5) −0.0002 (5) −0.0083 (5) O2 0.0284 (7) 0.0513 (8) 0.0192 (7) 0.0171 (6) ...
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5 (5 Bromo 2 methoxyphenyl) 2 fluoropyridine
... Br1 0.0574 (2) 0.0553 (2) 0.0484 (2) −0.0061 (2) 0.0108 (2) −0.0154 (2) F1 0.138 (2) 0.0654 (14) 0.0405 (13) 0.0176 (14) 0.0042 (12) 0.0153 (12) O1 0.0590 (13) 0.0327 (12) ...
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(5 Bromo 2 hydroxyphenyl)(phenyl)methanone
... In the title compound, bond lengths are slightly different from those in similar compounds. The C—Br bond length [1.896 (3) Å] is longer than others reported [1.865 (1) (Dale et al., 1999) and 1.884 (2)Å (Wiktor ...
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2′ (5 Bromo 2 hydroxybenzylidene)benzenesulfonohydrazide
... One –NH donor site interacts with the sulfonyl acceptor site whereas the other –NH donor site interacts with the hydroxy acceptor site (Table 1). The hydrogen-bonded chain propa- gates along the a axis (Fig. 2). ...
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5 Bromo 2 (hydroxymethyl)pyridine
... Data collection: CAD-4 Software Enraf–Nonius, 1985; cell refinement: CAD-4 Software; data reduction: XCAD4 Harms & Wocadlo, 1995; programs used to solve structure: SHELXS97 Sheldrick, 19[r] ...
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(E) 3 Bromo N′ (5 bromo 2 hydroxybenzylidene)benzohydrazide
... Br1 0.1139 (6) 0.0458 (3) 0.1014 (5) 0.0013 (3) 0.0025 (4) 0.0130 (3) Br2 0.0836 (4) 0.0420 (3) 0.0786 (4) −0.0039 (3) −0.0013 (3) 0.0049 (3) O1 0.038 (2) 0.064 (2) 0.067 (2) −0.0044 (17) ...
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2 Bromo 2 propyl 2 (5 tert butyl 1,3 xylyl) ketone
... following the general procedure reported by Fisher et al. (1930) for the preparation of 2-bromo-2-propyl mesityl ketone. Slow recrys- tallization from absolute ethanol afforded large transparent ...
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