Phosphorus-containing podands. 6. Calorimetric study of complexation of 1,17-bis (diphenylphosphinyl)-3,6,9,12,15-pentaoxaheptadecane with alkali and alkaline-earth metal salts in acetonitrile |
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| Authors: | V. P. Solov'ev L. V. Govorkova O. A. Raevskii V. E. Baulin V. Kh. Syundyukova E. N. Tsvetkov |
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| Affiliation: | (1) Institute of Physiologically Active Substances, Academy of Sciences of the USSR, Chernogolovka |
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| Abstract: | 1, 17-bis-(Diphenylphosphinyl-3, 6, 9, 12, 15-pentaoxaheptadecane in MeCN forms complexes of 1 1 and 12 composition (ML) with alkali and alkaline-earth metal salts, complexes of 11 and 21 composition were found for Li salts. The BaL2+ complex is the most stable complex, and the complexes NH4L+ and CaL2+ are the least stable. The selectivity for Li is significantly higher for the podand studied than for crown ethers.Translated from Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, No. 3, pp. 575–581, March, 1991. |
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