Phosphonate containing phosphonates

Details Phosphonate containing phosphonates Phosphonate containing phosphonates

1987-03-02

1989-02-28

Sutto, Anton H.

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

Organic compounds

Phosphorus esters

C07F 940

Patent

active

048087440

ABSTRACT:
There are disclosed novel phosphorus-containing compounds including and derived from hydrogen phosphonates. The compounds of the present invention can be prepared by reacting a hydrogen phosphonate with: (a) an ethylene derivative in a Michael reaction, (b) an amine or amide and formaldehyde in a Mannich reaction, (c) an aldehyde or ketone, (d) a halogen, (e) carbon tetrachloride and an alkylamine, and (f) carbon tetrachloride and a hydroxyphosphonate. Halophosphonates produced according to procedure (d) can also be used in reactions with (a) alkylamines and (b) hydroxyphosphonates or epoxides to produce the compounds of the present invention.

REFERENCES:
patent: 2372244 (1945-03-01), Adams et al.
patent: 2909559 (1959-10-01), Lanham
patent: 3042701 (1962-07-01), Birum et al.
patent: 3525705 (1970-08-01), Harowitz
patent: 4382042 (1983-05-01), Hardy et al.
patent: 4458035 (1984-07-01), Hardy et al.

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