Process for the preparation of tris(N-carbalkoxylaminomethyl)pho

Details Process for the preparation of tris(N-carbalkoxylaminomethyl)pho Process for the preparation of tris(N-carbalkoxylaminomethyl)pho

1982-03-08

1986-03-25

Garner, Vivian

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

Organic compounds

Carboxylic acid esters

8187, 544186, 560157, 560158, 560160, C07F 953, C07F 952

Patent

active

045785066

ABSTRACT:
The title compounds, having the formula (RO.sub.2 CNHCH.sub.2).sub.3 PY where Y=oxygen or sulfur, are prepared by reacting a tetrakis(N-carbalkoxylaminomethyl)phosphonium salt having the formula (RO.sub.2 CNHCH.sub.2).sub.4 P.sup.+ X.sup.- with ammonia or a primary or secondary amine, followed by an oxidizing or sulfurizing agent. The products, after methylolation with formaldehyde, are useful as finishing agents for imparting flame retardant properties to cotton fabrics.

REFERENCES:
patent: 3159667 (1964-12-01), Peters
patent: 3784638 (1974-01-01), Lambert
patent: 4150242 (1979-04-01), Wilson
patent: 4204072 (1980-05-01), Frank

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