N-alkyl-n(aminophenylsulfonyl)-aminoalkylphosphonic acids

Details N-alkyl-n(aminophenylsulfonyl)-aminoalkylphosphonic acids N-alkyl-n(aminophenylsulfonyl)-aminoalkylphosphonic acids

C - Chemistry, Metallurgy

07

F

260/501.1

C07F 9/38 (2006.01) C09B 29/01 (2006.01) C09B 62/523 (2006.01)

Patent

CA 1338740

This invention relates to novel N-alkyl-N-(amino-phenylsulfonyl)- aminoalkylphosphonic acids and to processes for their preparation. These compounds are useful as intermediates, especially for the manufacture of dyes containing phosphonic acid groups in their structure. Such dyes are reactive with cellulosic fibers and fabrics in the presence of carbodiimides at elevated temperatures.

591144

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