Pyridinium bromide
3 Amino 1 (4 nitrobenzyl)pyridinium bromide
... the pyridinium ring in (I) are comparable to those reported for the related structures 2-amino-1-(4-nitrobenzyl)pyridinium bromide, (II) (Sundar et ...
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Synthesis and crystal structure of a new pyridinium bromide salt: 4 methyl 1 (3 phenoxypropyl)pyridinium bromide
... title pyridinium bromide salt is illustrated in ...a pyridinium ring (N11/C12–C16) and a phenyl group (C1–C6); atom N11 has the expected planar– trigonal ...
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1 [(2,4 Dichlorobenzoyl)methyl] 4 (N,N dimethylamino)pyridinium bromide
... An interesting feature of the pyridinium systems is that they have a substantial degree of quinoidal character, since the bond lengths C2ÐC3 [1.348 (3) AÊ] and C5ÐC6 [1.356 (3) AÊ] are signi®cantly shorter than ...
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2 Amino 1 (4 nitrobenzyl)pyridinium bromide
... A view of the cation and anion of (I), with the atom- labelling scheme, is shown in Fig. 1. The bond lengths and angles in the pyridinium ring are normal (Allen et al., 1987) and comparable with those reported for ...
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Crystal structure of 4 amino 1 (4 methylbenzyl)pyridinium bromide
... For the solid-phase synthesis of 1,3,5-trisubstituted pyridinium salts, see: Lago et al. (1998). For a review on quaternary pyridinium salts, see: Madaan & Tyagi (2008). For anti- microbial properties ...
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3 {3,5 Bis[(2 butoxyethoxy)carbonyl] 2,6 dimethyl 1,4 dihydropyridin 4 yl} 1 [(3,4,5 trimethoxybenzoyl)methyl]pyridinium bromide
... The pyridinium ring has an axial orientation with respect to the 1,4-DHP ring and is almost perpendicular to the least-squares average plane of the 1,4-DHP ring with a dihedral angle between both planes of ...
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1 [2 (Biphenyl 4 yl) 2 oxoethyl] 4 (N,N dimethylamino)pyridinium bromide hemihydrate
... The pyridinium systems in cations A and B have a substantial degree of quinoidal character, since the bond lengths C2—C3 and C5—C6 in both cations (ca 1.35 A ˚ ; Table 1) are significantly shorter than those ...
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4 Amino (1 methylphenyl)pyridinium bromide
... bromide (Sundar, Parthasarathi, Ravikumar et al., 2006). In the crystal structure, intermolecular N—H Br hydrogen bonds, connect the cations and anions (Fig. 2 and Table 1). The pyridinium cations are ...
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4 Amino 1 (4 nitrobenzyl)pyridinium bromide
... A solution of 4-aminopyridine (1.15 g, 0.5 mol) and p-nitrobenzyl bromide (2.7 g, 0.5 mol) in dry acetone (25 ml) was stirred for 1– 2 h at room temperature (303 K). A solid separated, which was filtered off, ...
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N Benzyl 4 (hydroxyiminomethyl)pyridinium bromide
... Many classes of heterocyclic oximes have been synthesized and tested as reactivators of acethylcholinesterase (AChE) inhibited by organophosphorus (OP) compounds used as pesticides and warfare agents (Primozˇicˇ et al., ...
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Synthesis and evaluation of a novel antibacterial dental resin composite with quaternary ammonium salts
... loxydodecyl pyridinium bromide (MDPB) as an anti- bacterial monomer into resin composites [12], use of methacryloxylethyl cetyl ammonium chloride (DMAE- CB) as a component for antibacterial bonding agents ...
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Butyltriphenylphosphonium bromide
... distances in the range 0.95–1.00 A Data collection: PROTEUM Bruker, 2002; cell refinement: SAINT-Plus Bruker, 2001; data reduction: SAINT-Plus; programs used to solve structure: SHELXS97[r] ...
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Modeling Of Solar Absorption Air Conditioning System Applied To An Office Building In Morocco.
... The solar energy captured by the collectors is used to heat a coolant fluid, which fed the storage tank. The energy it has received is then transferred to the solution contained in the generator via the heat exchanger. ...
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Removal of bromide from aqueous solutions using the UV/ZnO process based on the multivariate analysis model
... measure bromide by the spectrophotometer of model DR-2000 at a wavelength of 590 ...The bromide stock solution was prepared by dissolving ...potassium bromide salt in 100 mL of double-distilled ...
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Benzylethyldimethylammonium bromide
... benzyldimethylethylammonium bromide was performed to find out the influence of molecular geometry, and the length of the alkyl chain in particular, on the packing properties of the ammonium ...a bromide ...
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Supermesityltellurenyl bromide
... Data collection: SMART Bruker, 2000; cell refinement: SMART; data reduction: SAINT Bruker, 2000; programs used to solve structure: SHELXS97 Sheldrick, 1997; programs used to refine struc[r] ...
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Diphenylphosphenium bromide
... CÐH = 0.95 A Data collection: X-AREA Stoe & Cie, 2001; cell re®nement: X-AREA; data reduction: X-AREA; programs used to solve structure: SHELXS97 Sheldrick, 1990; programs used to re®ne [r] ...
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Dimethylethylammonium bromide
... Recently, our group reported the properties and X-ray crystal structure determination of triferrocenylboroxine (Ma et al., 2002). We report here the hydrolysis of the 1-(dibromo- boryl)ferrocene±dimethylethylamine (1/1) ...
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Isobutyltriphenylphosphonium bromide
... triphenylphosphonium bromide compounds from this laboratory (Czerwinski, 1986, 2004; Ponnuswamy & Czerwinski, 1986; Czerwinski & Ponnuswamy, 1988a,b, ...
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Pentyltriphenylphosphonium bromide
... range 0.95±1.00 A Data collection: PROTEUM Bruker, 2002; cell re®nement: SAINT-Plus Bruker, 2001; data reduction: SAINT-Plus; programs used to solve structure: SHELXS97 Sheldrick, 1997; [r] ...
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