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http://nopr.niscpr.res.in/handle/123456789/43849| Title: | Kinetics and mechanism of nucleophilic substitution of acridine by chloride ion in octahedral tin(IV) complexes |
| Authors: | Siddiqi, K S Aqra, Fathi M A M Shah, S A Zaidi, S A A |
| Issue Date: | May-1993 |
| Publisher: | NISCAIR-CSIR, India |
| Abstract: | The nucleophilic substitution of acridine by chloride ion in SnCl4L2 and R2SnCl2L2 (where R = Me, Bu, Ph, and L = acridine) carried out in acetonitrile at ambient temperature follows first order kinetics. A millimolar solution of the complexes in acetonitrile shows increase in conductance with time indicating solvation which is enhanced in the presence of SOCl2, C6H5COCI and CH3COC1 suggesting the replacement of acridine by chloride ion. The rate constants k1, k2 and the thermodynamic parameters (activation energy, entropy, and enthalpy) have been calculated. The nucleophilicity of these reagents has been found to be in the order : SOCl2 > C6H5COCl > CH3COCl. |
| Page(s): | 406-408 |
| ISSN: | 0975-0975(Online); 0376-4710(Print) |
| Appears in Collections: | IJC-A Vol.32A(05) [May 1993] |
Files in This Item:
| File | Description | Size | Format | |
|---|---|---|---|---|
| IJCA 32A(5) 406-408.pdf | 2.1 MB | Adobe PDF | View/Open |
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