Process for synthesis of aminomethylene phosphonoalkylphosphinates
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United States of America Patent
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Oct 16, 1990
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app pub date -
Jul 6, 1987
filing date -
Jul 6, 1987
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Abstract
The present invention involves processes for making aminomethylene phosphonoalkylphosphinate compounds comprising: (a) heating a substantially anhydrous mixture comprising an amine, an ester of an alkyl phosphite, and an ester of a phosphate acetal; and then (b) adding water to the mixture.
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