1. 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-CF3}2O]2.
- Author
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Gopal, Kandasamy, Kundu, Subrata, Metre, Ramesh K., and Chandrasekhar, Vadapalli
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SCISSION (Chemistry) , *CHEMICAL reactions , *BUTYL group , *COORDINATION polymers , *HYDROGEN bonding , *DIFFUSION bonding (Metals) - Abstract
The reaction of bis(tri- n-butyltin)oxide, [ nBu3Sn]2O, with HO2C-C6H4-4-CF3 (RfTol-CO2H) affords a coordination polymer [ nBu3SnO2C-RfTol] n ( 1). 1 undergoes hydrolysis in the presence of atmospheric moisture, at room temperature, resulting in the formation of the diorgano stannoxane [{ nBu2SnO2C-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 [ nBu3Sn]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. [ABSTRACT FROM AUTHOR]
- Published
- 2014
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