Organic compounds -- part of the class 532-570 series – Organic compounds – Phosphorus esters
Patent
1989-09-29
1992-03-17
Shah, Mukund J.
Organic compounds -- part of the class 532-570 series
Organic compounds
Phosphorus esters
558161, C07F 940
Patent
active
050970577
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: 3332893 (1967-07-01), Birum et al.
patent: 3391226 (1968-07-01), Birum et al.
patent: 4808744 (1989-02-01), Hardy et al.
patent: 4883891 (1989-11-01), Hardy et al.
patent: 4886895 (1989-12-01), Hardy et al.
Arbuzov et al, Journal of General Chemistry of USSR, 29 p. 2582 (1959) (English Translation).
Abrurzov et al. Chemical Abstracts, vol. 54, No. 10836 (1960).
Hardy Thomas A.
Walsh Edward N.
Akzo America Inc.
Bernhardt E.
Fennelly Richard P.
Morris Louis A.
Shah Mukund J.
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