Natalie C. Rader, H. Nees, P. Szalay
Jul 18, 2007
Citations
0
Influential Citations
2
Citations
Journal
Journal of Chemical Crystallography
Abstract
AbstractThe precursor compound 4,4′-diaminostilbene-2,2′disulphonic acid DAS-(SO3H)2 was successfully deprotonated through reactions with (n-Bu4N)(OH) and NaOH to produce the corresponding salts sodium 4,4′-diaminostilbene-2,2′disulphonate Na2(DAS-(SO3)2) (1) and tetrabutylammonium 4,4′-diaminostilbene-2,2′disulphonate (n-Bu4N)2(DAS-(SO3)2) (2). The structure of (n-Bu4N)2(DAS-(SO3)2) (2) was confirmed through the use of single crystal X-ray diffraction. Compound (2) crystallizes in the monoclinic space group P21/n with the lattice parameters of a = 10.0645(6), b = 14.2573(9), c = 17.6053(11), and β = 94.3160(10). The reaction of Cu2+(aq) with (n-Bu4N)2(DAS-(SO3)2) resulted in the crystallization of the molecular organocopper cluster, [CuDAS-(SO3)2]2·3H2O (3), that resembles a molecular parallelogram as revealed by single crystal X-ray diffraction. Compound (3) crystallizes in the monoclinic space group P21/n with the lattice parameters of a = 8.8647(6), b = 10.5247(7), c = 21.2265(14), and β = 93.1730(10). Within the structure of (3) each [DAS-(SO3)2]2− ligand is shown to bind two copper atoms through interactions with three of the five available metal binding sites.Graphical abstractPreparation and Reactivity of 4,4′-diaminostilbene-2,2′disulphonate Natalie C. Rader, Heather A. Nees, Paul S. Szalay*, Matthias Zeller and Allen D. HunterThe preparation of 4,4′-diaminostilbene-2,2′disulphonic and its reactivity with copper(II) are described.