发明授权
US4246206A Process for the preparation of N,N-bis-(2-hydroxyalkyl)-aminomethane phosphonic acid dimethyl ester 失效
制备N,N-双 - (2-羟基烷基) - 氨基甲基膦酸二甲酯的方法

Process for the preparation of N,N-bis-(2-hydroxyalkyl)-aminomethane
phosphonic acid dimethyl ester
摘要:
The invention relates to a process for the preparation of N,N-bis-(2-hydroxyalkyl)-aminomethane phosphonic acid dimethyl esters corresponding to the following general formula: ##STR1## wherein each R, may be the same or different and represents hydrogen or, preferably, a lower, linear or branched alkyl radical or halogen-substituted alkyl radical containing from 1 to 6 carbon atoms.
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