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The reaction of bis(tri-n-butyltin)oxide, [nBu3Sn]2O, with HO2C-C6H4-4-CF3 (R fTol-CO2H) affords a coordination polymer [nBu 3SnO2C-RfTol]n (1). 1 undergoes hydrolysis in the presence of atmospheric moisture, at room temperature, resulting in the formation of the diorgano stannoxane [{nBu2SnO 2C-RfTol}2O]2 (2). The transformation of 1 to 2 is accompanied by a Sn-C bond cleavage reaction. Formation of 2 also occurs in a direct reaction, involving [nBu 3Sn]2O and RfTol-CO2H in the presence of water. 2 can also be prepared in a 1:1 reaction of di-n-butyltin oxide, [nBu2SnO]n with RfTol-CO2H. The conversion of 2 from 1 was monitored by 119Sn NMR spectroscopy over a period of eight days. The molecular structure of 2 reveals a tetranuclear assembly consisting of two pairs of structurally distinct six-coordinate tin atoms. Extensive hydrogen-bonding interactions (C-H···O, C-H···F) and weak F···F interactions involving organo-fluorine atoms in the crystal structure result in the formation of a three-dimensional supramolecular architecture for 2. Copyright © 2014 WILEY-VCH Verlag GmbH &amp; Co. KGaA, Weinheim.

World University root node

Department of Chemistry

Zeitschrift fur Anorganische und Allgemeine Chemie

Ambient temperature Sn-C bond cleavage reaction involving the Sn-n-butyl group. weak f···f interactions in the solid state structure of [{nBu2SnO2C-C6H4-4-CF 3}2O]2

The reactions of RSnCl3 [R = 2-(phenylazo)phenyl] with phosphonic acids, RPO3H2 (R = t-Bu, C6H 11) or (ArO)2PO2H (Ar = 4-NO2-C 6H5O) in refluxing THF afforded hexatin cages, [(RSn) 6(μ-OH)6(μ3-O)2(t-BuPO 3)4]·5THF (1), [(RSn)6(μ-OH) 6(μ3-O)2(C6H11PO 3)4]·THF (2) and [(RSn)6(μ-OH) 4(μ3-O)2{(NO2C6H 4O)PO3}4]·THF (3), respectively. On the other hand, the reactions of RSnCl3 with 1,1,2,3,3-pentamethylene phosphinic acid [cycPO2H] or Ph2P(O)OH under similar reaction conditions afforded trinuclear O-capped clusters [(RSn) 3(μ3-O) (μ2-OH)3 (μ-cycPO2)3] [cycPO2]·CH 3CN·H2O (4) and [(RSn) 3(μ3-O) (μ2-OH)3 (μ-Ph 2PO2)3] [Ph2PO2] ·CH3CN·CH2Cl2 (5) respectively. Molecular structures of 1-3 reveal that the intramolecular N→Sn coordination found in RSnCl3 is hemilabile; 1-3 do not contain such a feature and the tin atoms in these compounds are six coordinate, possessing a 1C, 5O coordination environment in a distorted octahedral geometry. The cage structures in 1-3, containing two trinuclear sub-units, are formed as a result of the coordination action of several ligands: 4 μ3- (η1η1η1)[RPO3] 2-, 2 μ3-O2- and 6 μ-OH. The molecular structures of 4-5 reveal them to be cationic trinuclear complexes where 3 tin and 4 oxygen atoms occupy the vertices of a distorted cube while one of the vertices is unoccupied. The molecular structures of 4-5 also reveal that the intramolecular N→Sn coordination present in RSnCl3 is absent in these compounds attesting to the hemilabile nature of this interaction. © 2014 The Royal Society of Chemistry.

Dalton Transactions

Assembly of hexa- and trinuclear monoorganostannoxanes: Hemi-labile nature of intramolecular N→Sn coordination in RSnCl3 (R = 2-phenylazophenyl)

Chemistry - An Asian Journal

Multi-pyrene assemblies supported on stannoxane frameworks: Synthesis, structure and photophysical studies

CrystEngComm

Isomorphic Co (ii) and Zn (ii) phosphonates: co-crystal formation of [\{M 2 ($\eta$ 1-DMPzH) 4 (Cl 3 CPO 3) 2\}\{M ($\eta$ 1-DMPzH) 2 Cl 2\} 2](toluene) 2 (M= Co (ii) and Zn (ii))

Crystal growth \& design

{Reactions of (E)-5-(Pyridin-4-yl-methyleneamino)isophthalic Acid (LH2) with Triorganotin Oxides and −Chloride. Formation of One-Dimensional- and Two {\ldots}}

Polyhedron

Telluroxane-supported coordination ligands: Synthetic and structural aspects

Lipophilic bismuth phosphates: a molecular tetradecanuclear cage and a 1D-coordination polymer. Synthesis, structure and conversion to BiPO 4

Bismuth–ferrocene carboxylates: synthesis and structure

Journal of Organometallic Chemistry

Steric control in the reactions of 3-pyrazolecarboxylic acid with diorganotin dichlorides

Stabilizing the [RSn(μ2-O)SnR] Motif through Intramolecular N→Sn Coordination. Synthesis and Characterization of [(RSn)2(μ2-O)(μ2-FcCOO)2(η-FcCOO)2]·THF and {(RSn)2(μ2-O)[(t-BuO)2PO2]2Cl2}·THF·2H2O (R = 2-(Phenylazo)phenyl)