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Phosphorus, Sulfur, and Silicon and the Related Elements Volume 88, 1994 - Issue 1-4
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Original Articles

STUDIES ON THE STABILITIES OF ALKYLMETHYLAMMONIUM SALTS OF MONOMETHYL ESTERS OF PHOSPHONIC ACIDS

E. M. Georgiev Department of Chemistry, Tulane University, New Orleans, Louisiana, 70118, USA
,
R. Tsevi Institute of Polymers, Bulgarian Academy of Sciences, Sofia, 1113, Bulgaria
,
V. Vassileva Institute of Polymers, Bulgarian Academy of Sciences, Sofia, 1113, Bulgaria
,
K. Troev Institute of Polymers, Bulgarian Academy of Sciences, Sofia, 1113, Bulgaria
&
D. Max Roundhill Department of Chemistry, Tulane University, New Orleans, Louisiana, 70118, USA
Pages 139-145 | Received 08 Dec 1993, Accepted 17 Feb 1994, Published online: 23 Sep 2006
 
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Abstract

It has been shown by 1H NMR spectroscopy that alkylmethylammonium salts of monomethyl esters of phosphonic acids having the general formula [RN+H2CH3][−OPH(O)(OCH3)] are unstable. At ambient temperature these salts convert into the corresponding alkylammonium salts [RN+H3][−OPH(O)(OCH3)]. The effect of different substituents R on the stability of these alkylammonium cations is discussed.

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