Process for the manufacture of alkylamino alkylene...

Details Process for the manufacture of alkylamino alkylene... Process for the manufacture of alkylamino alkylene...

C - Chemistry, Metallurgy

07

F

C07F 9/28 (2006.01)

Patent

CA 2671308

A process for the manufacture of alkylamino alkylene phosphonic acids is disclosed. In detail, a specific phosphonate is reacted with an agent selected to yield an alkylamino moiety substituted by a radical selected from OH, OR', NH2, NHR', N(R')2, NH, N, S, S-S and SH in aqueous alkaline medium having a pH of 8 or higher at a temperature of 0°C or higher.

Procédé d'élaboration d'acides phosphoniques alkylamino alkylène. Précisément, un phosphonate spécifique réagit avec un agent capable de donner une fraction alkylamino substituée par un radical qui peut être OH, OR', NH2, NHR', N(R')2, NH, N, S, S-S et SH dans un milieu alcalin aqueux de pH supérieur ou égal à 8 à une température supérieure ou égale à 0° C.

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