Buscar
Mostrando ítems 51-60 de 852
A novel type of nucleophilic substitution reactions on nonactivated aromatic compounds and benzene itself with trimethylsiliconide anions
(American Chemical Society, 2001-03)
Matrix presented The reaction of fluorobenzene with Me3Si- anion (1) in HMPA at room temperature surprisingly affords o- and p-fluorotrimethylsilylbenzenes (substitution of aromatic H for TMS, 76% yield) 7a and 7b and also ...
Silicone sensing phase for detection of aromatic hydrocarbons in water employing near-infrared spectroscopy
(Amer Chemical SocWashingtonEUA, 2005)
The layered structure of poly[[hexaaqua(μ4-benzene-1,2,4,5- tetracarboxylato) dicopper(II)] tetrahydrate]
(2013)
In the structure of the title compound, {[Cu-2(C10H2O8)-(H2O)(6)]center dot 4H(2)O}(n), the benzene-1,2,4,5-tetracarboxylate ligand, (btec)(4-), is located on a crystallographic inversion centre in a 4-coordination mode. ...
Partial hydrogenation of benzene on Ru catalysts: Effects of additives in the reaction medium
(Elsevier Science BvAmsterdamHolanda, 2013)
Study of the Electronic delocalization in Silicon organic derivatives of benzene and their corresponding anion radicals
(Universidad Autónoma de Occidente, 2006-01)
The silicon organic compounds phenyltrimethylsilane (1), 1,4-bis(trimethylsilyl)benzene
(2), diphenyldimethylsilane (3) y 1,1,2,2-dibenzobis(dimethyls ilane) (4) were synthesized and characterized by IR, NMR-1 H and elemental ...
Two polymeric structures with a benzene-1,2,4,5-tetracarboxylate ligand acting in mu(2)- and mu(4)-bridging modes
(WILEY-BLACKWELL PUBLISHING, 2009-07)
catena-Poly[[tetraaquabis(1H-pyrazole-kappa N-2) nickel(II)] [[diaquabis(1H-pyrazole-kappa N-2) nickel(II)]-mu-benzene-1,2,4,5-tetracarboxylato-kappa O-2(1):O-4] tetrahydrate], {[Ni(C3H4N2)(2)(H2O)(4)][Ni(C10H2O8)(C3H4N2 ...
Remoção de etanol e benzeno em reator anaeróbio horizontal de leito fixo na presença de sulfato
(2007-04-01)
In this study it is reported the operation of a horizontalflow anaerobic immobilized biomass (HAlB) reactor under sulfate-reducing condition which was also exposed to different amounts of ethanol and benzene. The HAIB ...
Structural study of a novel acetylide-thiourea derivative and its evaluation as a detector of benzene
(Elsevier Science, 2017-07)
The new derivative 1-hexanoyl-3-(4-p-tolylethynyl-phenyl)-thiourea (APHX) was synthesised by the addition reaction between 4[4-aminophenyl] ethynyltoluene and hexanoyl isothiocyanate in acetone. The acetylide group was ...