نتایج جستجو برای: bis 2 nitrophenoxy akyl ether
تعداد نتایج: 2563861 فیلتر نتایج به سال:
The dihedral angle between the two aromatic ring systems in the title compound, C(15)H(12)N(2)O, is 42.6 (1)°. The angle at the O atom is widened to 117.7 (1)°.
A new poly(arylene ether) (PAET) with terpyridine substituent groups has been synthesized which shows a turn-off fluorescent response in the presence of Ni(2+) over other cations and allows discrimination of these cations from each other on the basis of the extent of quenching.
A supramolecular poly[3]pseudorotaxane was prepared by self-assembly of a homoditopic cylindrical bis(crown ether) host and a bisparaquat derivative in solution by host-guest complexation.
This article contains original experimental data, figures and methods to the preparation of non-isocyanate poly(hydroxyurethanes) by an environmentally friendly method without the use of toxic phosgene and isocyanates from bis(2,3-dihydroxypropyl)ether dicarbonate and various diamines (Tryznowski et al., Submitted for publication) [1]. Bis(2,3-dihydroxypropyl)ether dicarbonate was obtained from...
Bis-tridentate chelates of Zn(ClO4)2, Cd(ClO4)2, and Hg(ClO4)2 with two equivalents bis(2-pyridylmethyl) ether (L1) were isolated. The complexes characterized using X-ray crystallography, IR, 1H NMR, TGA. Isomorphs [Zn(L1)2](ClO4)2·CH3CN (1·CH3CN) [Cd(L1)2](ClO4)2·CH3CN (2·CH3CN) crystallized in the monoclinic space group P21 meridional octahedral geometry. [Hg(L1)2](ClO4)2 (3) P21/c approximat...
A modified dumbbell obtained by replacing one of the phenyl groups of the dibenzylammonium with a strong electron-withdrawing trifluoromethyl group templated the synthesis of the smallest [2]rotaxane reported so far. The trifluoromethyl group not only enhances the templating effect of the dumbbell but also acts as the stopper to prevent dethreading of a [20]crown ether macrocycle.
The synthesis and subsequent spectroscopic, electrochemical, photophysical and computational characterisation of a series of heteroleptic Cu(I) complexes of general formula: [CuPOP{4,4'(R)-bipyridyl}][BF(4)] and [CuPOP{4,4',6,6'(R)-bipyridyl}][BF(4)] is described (POP = bis{2-(diphenylphosphanyl)phenyl} ether; R = Me, CO(2)H, CO(2)Et. The steric constraint imposed by the POP ligand can impede d...
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