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Synthesis and Characterization of Diethyltin-based Three Dimensional Self-assemblies Derived from Sulfonate–phosphonate Ligands by Ravi Shankar; Archana Jain; Gabriele Kociok-Köhn; Kieran C. Molloy is a Chemistry article available to read on EtoBox.

What is Synthesis and Characterization of Diethyltin-based Three Dimensional Self-assemblies Derived from Sulfonate–phosphonate Ligands about?

Diethyltin(methoxy)methanesulfonate reacts readily with equimolar amount of t-butylphosphonic acid (RT, 8-10 h) in moist dichloromethane and methanol to afford [(Et 2 Sn) 6 (O 3 PBu t ) 4 (OSO 2 Me) 4 ÁCH 2 Cl 2 ] n (1) and [(Et 2 Sn) 6 (O 3 PBu t ) 4 (OSO 2 Me) 4 Á2H 2 O] n (2), respectively. The identity of these compounds has been established by IR, multinuclear ( 1 H, 13 C, 31 P and 119 Sn) NMR as well as X-ray crystallographic studies. Despite apparent similarity in the composition, a marked difference in the structural motifs between 1 and 2 is evident in the solid state. For 1, the formation of three-dimensional self-assembly results from l 3 -phosphonate and l 2 , l 3 -sulfonate binding modes and exhibits continuous channel of voids which are occupied by disordered CH 2 Cl 2 molecules. In contrast, the sulfonate ligands in 2 act exclusively in l 2fashion and hydrogen bonding interactions (O-HÁ Á ÁO) between coordinated water molecules and methanesulfonate groups is significant in the construction of 3D supramolecular assembly.

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Author

Ravi Shankar; Archana Jain; Gabriele Kociok-Köhn; Kieran C. Molloy

Publisher

Elsevier Science; Elsevier ; Elsevier BV (ISSN 0020-1693)

Published

2011

Language

EN

Field

Chemistry (Physical Sciences)