[PDF] Top 20 2,2′,3,3′,6 Pentachlorobiphenyl (PCB 84)
Has 10000 "2,2′,3,3′,6 Pentachlorobiphenyl (PCB 84)" found on our website. Below are the top 20 most common "2,2′,3,3′,6 Pentachlorobiphenyl (PCB 84)".
![3 [2 (6 Bromo 2 phenyl 3H imidazo[4,5 b]pyridin 3 yl)ethyl] 1,3 oxazolidin 2 one](data:image/gif;base64,R0lGODlhAQABAIAAAP///wAAACH5BAEAAAAALAAAAAABAAEAAAICRAEAOw==)
3 [2 (6 Bromo 2 phenyl 3H imidazo[4,5 b]pyridin 3 yl)ethyl] 1,3 oxazolidin 2 one
... To 6-bromo-2-phenyl-3H-imidazo[4,5-b]pyridine (0.3 g, 1.09 mmol), potassium carbonate (0.33 g, 2.4 mmol) and tetra- n-butylammonium bromide (0.05 g, 0.1 mmol) in DMF (15 ml) was added ... See full document
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Crystal structure of 3 bromomethyl 2 chloro 6 (dibromomethyl)quinoline
... The molecular structure of the title compound is shown in Fig. 1. The quinoline ring is planar (r.m.s. = 0.011 Å). In the crystal, molecules are linked by C—H···Br interactions forming chains along [101]; Table 1 and ... See full document
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2 [(2 Chloro 5 phenyl 3 pyridinyl)(hydroxy)methyl]acrylonitrile
... [C(6) in the nomenclature of Etter (1990) and Bernstein et al. (1995)] running along the b axis (Fig. 2). These chains are further linked into sheets by C—H N [C(9) type] hydrogen bonds. Atom C5 at (x, y, ... See full document
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Crystal structure of 6 chloro 5 (2 chloroethyl) 3 (propan 2 ylidene)indolin 2 one
... C8A 0.0477 (8) 0.0268 (5) 0.0470 (9) 0.0057 (4) 0.0113 (7) 0.0005 (6) Cl2A 0.0900 (5) 0.02960 (18) 0.0798 (5) 0.0066 (2) 0.0337 (4) −0.0064 (2) C5B 0.085 (6) 0.049 (4) 0.069 (5) −0.008 (4) ... See full document
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2 (5 Chloro 2 oxoindolin 3 ylidene)hydrazinecarbothioamide
... r.m.s. deviation of 0.034 (2) A ˚ for the mean plane through all the non-H atoms. Intramolecular N—H O and N—H N hydrogen bonds form S(6) and S(5) ring motifs, respectively. In the crystal, molecules are ... See full document
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Methyl 3 (2 chloro 5 ethyl 3 pyridyl) 3 hydroxy 2 methylenepropanoate
... of 2-chloro-5-ethyl- pyridine-3-carbaldehyde (5 mmol) and methyl acrylate (5 mmol) in methanol (5 ml), the reaction mixture being stirred at room temperature in the presence of ... See full document
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Crystal structure of ethyl 2 chloro 6 methylquinoline 3 carboxylate
... The molecular geometry and the atom-numbering scheme of (I) are shown in Fig. 1. In the asymmetric unit of title compound the quinoline ring is three times substituted by two methyl, one chlore and one ethyl carboxylate. ... See full document
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2 (3 Chloro 1,2 dihydropyrazin 2 ylidene)malononitrile
... 2-[3-Chloropyrazin-2(1H)-ylidene)malononitrile was obtained by the aromatic nucleophilic substitution of chlorine in 2,3-dichloropyrazine with malononitrile (Pilarski & Foks, 1981 and 1982). A ... See full document
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rac (2R,3S) 2 Phenyl 3 (3 phenyl 1,2,3,4 tetrahydroquinoxalin 2 yl)quinoxaline
... for 2- phenylquinoxaline was planned under similiar conditions to those used by More et ...from 2-hydroxyaceto- phenone, 1,2-diaminobenzene and iodine without the use of an oxidization ...with 2 ... See full document
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3 (2 Chloro 6 fluorophenyl) 1 (2 thienyl)prop 2 en 1 one
... Fig. 2 only the molecules of the two major components are shown and they are linked into chains along the b ...Cg 2 , Cg 3 , Cg 4 , Cg 5 and Cg 6 are ... See full document
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3 (3 Chloro 3 methyl 1,2,3,4 tetrahydrocarbazole 2 yl)propanenitrile
... Tetrahydrocarbazole derivatives have an important role in the synthesis of indole alkaloids (Magnus et al., 1992). Neuro- transmitter serotonin analogues (3) (Langlois et al., 1993) are a type of potent agonist of ... 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
... C28 0.0208 (8) 0.0256 (9) 0.0175 (8) −0.0051 (7) 0.0016 (7) −0.0041 (7) C29 0.0395 (12) 0.0253 (10) 0.0417 (12) −0.0113 (9) −0.0012 (9) −0.0120 (9) O2 0.053 (2) 0.061 (2) 0.064 (3) −0.009 (2) ... See full document
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5 Chloro 4 [(2 chlorobenzoylhydrazono)methyl] 3 methyl 1 phenyl 1H pyrazole
... Cl1 0.0986 (5) 0.0762 (4) 0.1374 (7) −0.0006 (3) 0.0717 (5) 0.0358 (4) Cl2 0.0377 (3) 0.0675 (3) 0.0724 (4) −0.0124 (2) 0.0240 (2) −0.0226 (2) O1 0.0391 (7) 0.0716 (9) 0.0729 (9) ... See full document
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2 Chloro (3 methoxysalicylidene)aniline
... molecule is stabilized by an intramolecular O2ÐH2 N1 hydrogen bond, which forms a ring of graph-set motif S(6). The methoxy group is coplanar with the attached benzene ring. The bond distances observed in the ... See full document
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Synthesis and Antimicrobial Activity of Some 2-[(4-Substituted-Phenyl-3-Chloro-Azetidin-2-One)-5-(2'-Methylamino-4-Phenyl-1', 3'-Thiazolyl-]-1, 3,4-Thiadiazoles
... new 2-[(4-substituted-phenyl-3-chloroazetidin-2-one)-5-(2'-methylamino 4- phenyl-1', 3'-thiazolyl-]-1, 3, 4-thiadiazoles, 5(a-n) were synthesized from 2- ... See full document
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(2E) 3 (6 Chloro 2 methoxyquinolin 3 yl) 1 (2,4 dimethylquinolin 3 yl)prop 2 en 1 one
... In the most closely related structure, (II), namely (2E)-3-(2-chloro-8-methylquinolin-3-yl)-1-(5,7-dimethylquinolin-6- yl)prop-2-en-1-one (Prasath et al., 2013b), the dihedral ... See full document
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2,4 Dimethyl 6 phenyl 8 oxabicyclo[3 2 1]octan 3 one
... anomalous dispersion effects, Friedel pairs were merged before refinement. Although we do not have direct proof of the absolute stereochemistry, it has been tentatively assigned by analogy with the [2.2.1] systems ... See full document
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Ethyl (E) 2 acetyl 3 amino 3 phenyl 2 propylenoate
... the phenyl ring does not completely conjugate with the C1═C2 double bond in the solid state; the C12—C1—C2—N1, C2—C1—C12—O3 and C2—C1—C12—C13 torsion angles are ...Table 2 and the packing diagram (Fig. ... See full document
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SYNTHESIS AND BIOLOGICAL ACTIVITY OF 2-(THIAZOLIDIN-4-ONE) PHENYL]-1H-PHENYLBENZIMIDAZOLES AND 2-[4-(AZETIDIN-2-ONE)-3-CHLORO-4- PHENYL] -1H-PHENYL BENZIMIDAZOLES
... acetate: hexane and (3:4) petroleum ether (40-60°C): ethyl acetate as mobile phase and visualized by iodine vapors. General Method for the Synthesis of Schiff base (Ia-h) A mixture of 2-(4-aminophenyl) ... See full document
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3 (2 Bromoacetyl)phenyl benzoate
... Br1 0.0559 (2) 0.0682 (3) 0.0502 (2) 0.01670 (17) −0.00215 (15) −0.00925 (17) O1 0.0314 (10) 0.0549 (13) 0.0512 (12) 0.0049 (10) 0.0054 (9) 0.0110 (10) O2 0.0332 (13) 0.0820 (19) 0.0935 (18) 0.0101 ... See full document
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