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

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

1987-11-20

1989-07-25

Dixon, Jr., William R.

Organic compounds -- part of the class 532-570 series

Organic compounds

Phosphorus acids or salts thereof

564 15, 562 23, C07F 944

Patent

active

048511587

ABSTRACT:
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.

REFERENCES:
patent: 3910969 (1975-10-01), Franz
patent: 3911056 (1975-10-01), Houghton

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