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4 (4 Chloro­phen­yl) 5 [1 (4 chloro­phenyl) 2 methyl 2 nitro­prop­yl] 1,2,3 selena­diazole

4 (4 Chloro­phen­yl) 5 [1 (4 chloro­phenyl) 2 methyl 2 nitro­prop­yl] 1,2,3 selena­diazole

... of 2-[1,3-bis(4-chlorophenyl)-4-methyl-4-nitropentylidene]-1-hydrazine carboxamide ...give 4-(4- chlorophenyl)-5-[1-(4-chlorophenyl)-2-methyl-2- ...

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4 (2 Meth­oxy 4 methyl­phen­oxy)­phthalo­nitrile

4 (2 Meth­oxy 4 methyl­phen­oxy)­phthalo­nitrile

... 4-(2-Methoxy-4-methylphenoxy)phthalonitrile, (I), is a starting material in the synthesis of peripherally tetra- substituted phthalocyanines (Leznoff & Lever, 1989±1996). Phthalocyanines are an ...

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4 [2 Methyl 4 (4 methyl­phenyl­diazen­yl)phen­­oxy]phthalo­nitrile

4 [2 Methyl 4 (4 methyl­phenyl­diazen­yl)phen­­oxy]phthalo­nitrile

... of 4-methylaniline ...of 4-methylbenzenediazonium chloride, prepared as described above, and the resulting mixture was stirred at 273–278 K for 60 min in an ice ...solid ...

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6 (4 Amino­phen­yl) 4 (4 eth­­oxy­phen­yl) 2 meth­­oxy­nicotino­nitrile

6 (4 Amino­phen­yl) 4 (4 eth­­oxy­phen­yl) 2 meth­­oxy­nicotino­nitrile

... The title compound (I) was synthesized by stirring the solution of (E)-1-(4-aminophenyl)-3-(4-ethoxyphenyl)prop-2- en-1-one (0.27 g, 1 mmol) in methanol (10 ml) with a freshly prepared sodium ...

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2 Meth­­oxy 4 methyl­phenyl 4 toluene­sulfonate

2 Meth­­oxy 4 methyl­phenyl 4 toluene­sulfonate

... A solution of vanillin in toluene was treated with amalgamated Zinc wool and concentrated HCl under reflux for thirty hours. The reaction mixture was cooled. The organic layer was separated and the aqueous layer was ...

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2 Amino 4 methyl­pyridinium 4 amino­benzoate

2 Amino 4 methyl­pyridinium 4 amino­benzoate

... the 4- aminobenzoate anions are linked to adjacent anions and 2- amino-4-methylpyridinium cations via N—H O hydrogen bonds, forming a three-dimensional supramolecular ...the 4-aminobenzoate ...

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2 Acetyl 4 (4 eth­oxy­phenyl­diazen­yl)phenol

2 Acetyl 4 (4 eth­oxy­phenyl­diazen­yl)phenol

... The molecular structure of (I) is shown in Fig. 1 and selected geometric parameters are given in Table 1. The bond lengths and angles of the azo group are as expected. The molecule is essentially planar, with dihedral ...

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4 (2 Bromo 4 chloro­phen­­oxy)phthalo­nitrile

4 (2 Bromo 4 chloro­phen­­oxy)phthalo­nitrile

... An ORTEPIII (Burnett & Johnson, 1996) plot of the title compound, (I), is shown in Fig. 1. The lengths of the two C N triple bonds (Table 1) are consistent with those found in similar compounds (Atalay et al., 2003; ...

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4 (4 tert Butyl­phen­­oxy) 2 chloro­pyrimidine

4 (4 tert Butyl­phen­­oxy) 2 chloro­pyrimidine

... 2,4-Dichloropyrimidine (0.30 g, 2 mmol) and anhydrous potassium carbonate (0.35 g, 2.5 mmol) were mixed in acetone (20 ml). A solution of 4-tert-butylphenol (0.32 g, 2.1 mmol) in acetone (5 ml) was then ...

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2 Amino­benzoic acid–4 [2 (pyridin 4 yl)eth­yl]pyridine (2/1)

2 Amino­benzoic acid–4 [2 (pyridin 4 yl)eth­yl]pyridine (2/1)

... The asymmetric unit of (I), Fig. 1, comprises a molecule of 2-aminobenzoic acid in a general position and half a molecule of 4,4′-bipyridylethane, being disposed about a centre of inversion. Despite the presence ...

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4 (4 Methyl­phenyl­azo) 2 allyl­phenol monohydrate

4 (4 Methyl­phenyl­azo) 2 allyl­phenol monohydrate

... C15A 0.080 (3) 0.058 (3) 0.102 (4) 0.003 (3) 0.000 (3) 0.000 (3) C15B 0.080 (3) 0.058 (3) 0.102 (4) 0.003 (3) −0.001 (3) 0.000 (3) O1 0.098 (4) 0.055 (3) 0.078 (3) −0.011 (2) −0.008 (2) ...

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4 (2 Isonicotinoyl­hydrazino) 4 oxo­butanoic acid

4 (2 Isonicotinoyl­hydrazino) 4 oxo­butanoic acid

... The observed geometry of the ring agrees well with similar pyridine geometries (e.g. Bhat et al., 1974). The group bound to the aromatic ring exhibits an extended conformation, in which the mean CÐC and CÐN bond lengths ...

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2 Propenyl 4 ferrocenyl 4 oxo­butanoate

2 Propenyl 4 ferrocenyl 4 oxo­butanoate

... With the rapid development of solid-phase synthesis, there is a great deal of interest in developing new solid-phase linkers. We report here the synthesis of 2-propenyl 4-ferrocenyl-4- oxobutanoate, ...

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4 Formyl 2 nitro­phenyl 4 bromo­benzoate

4 Formyl 2 nitro­phenyl 4 bromo­benzoate

... ester, 4-formyl-2-nitrophenyl 4-bromo benzoate, (I), was ...as 4-methylphenyl 4-bromobenzoate (MPBrB) (Moreno-Fuquen et ...2011), 4-nitrophenyl 4-bromo- benzoate (NPBrB) ...

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2 (2 Bromo 4 chloro­anilino) 2 phenyl­ethanol

2 (2 Bromo 4 chloro­anilino) 2 phenyl­ethanol

... In an effort to give our undergraduate laboratory exercises a more research-focused environment, students were instructed to investigate synthetic routes to aziridines. As indicated in the scheme, reacting ...

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Methyl 3 (4 bromo­phen­yl) 2 (1H indol 3 ylmeth­yl) 5 [1 (4 meth­oxy­phen­yl) 4 oxo 2 phenyl­azetidin 2 yl] 4 nitro­pyrrolidine 2 carboxyl­ate

Methyl 3 (4 bromo­phen­yl) 2 (1H indol 3 ylmeth­yl) 5 [1 (4 meth­oxy­phen­yl) 4 oxo 2 phenyl­azetidin 2 yl] 4 nitro­pyrrolidine 2 carboxyl­ate

... The bond lengths and angles in I are agree with those observed in a similar structure (Sundari Bhaskaran et al., 2006; Kamala et al., 2008). The β–lactam ring is planar with its internal angles in the range 84.4 ...

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Synthesis and Bioevaluation of 4-[(2/4-Chloro-/2, 3-Dichloro-/2/4-Bromo-/2, 4-Dinitro-/4-Nitrophenyl) Anilinomethyl]-6-T-Butyl-2h-1-Benzopyran-2-Ones.

Synthesis and Bioevaluation of 4-[(2/4-Chloro-/2, 3-Dichloro-/2/4-Bromo-/2, 4-Dinitro-/4-Nitrophenyl) Anilinomethyl]-6-T-Butyl-2h-1-Benzopyran-2-Ones.

... compounds 4-[(2-chlorophenyl) anilinomethyl]-6-t-butyl-2H-1-benzopyran-2-one (11) and 4-[(4-chlorophenyl) anilinomethyl]-6- t-butyl-2H-1-benzopyran-2-one (12) exhibited moderate ...

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4 {2 [2 (4 Formyl 2 meth­oxy­phen­­oxy)eth­­oxy]eth­­oxy} 3 meth­oxy­benzaldehyde

4 {2 [2 (4 Formyl 2 meth­oxy­phen­­oxy)eth­­oxy]eth­­oxy} 3 meth­oxy­benzaldehyde

... The synthesis of new and designed crystal structures continues to be an important area of research for chemists (Tynan et al., 2005; Parashar et al., 1988). One of the aims of crystal engi- neering is to establish ...

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4 [2 (4 Formyl 2 meth­oxy­phen­­oxy)eth­­oxy] 3 meth­oxy­benzaldehyde

4 [2 (4 Formyl 2 meth­oxy­phen­­oxy)eth­­oxy] 3 meth­oxy­benzaldehyde

... To a solution of 4-hydroxy-3-methoxybenzaldehyde (15.2 g, 10 mmol) and potassium carbonate (13.8 g, 10 mmol) in acetonitrile (500 ml), 1,2-dibromoethane (9.4 g, 5 mmol) was added over a period of 30 minutes and ...

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Optimization of 2-4, 4-16 Decoders and 2-Bit Comparator

Optimization of 2-4, 4-16 Decoders and 2-Bit Comparator

... the 2-4 decoder: a 14-transistor topology aiming on minimizing transistor count and power dissipation and a 15-transistor topology aiming on high power- delay ...new 4-16 decoders are designed, by ...

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