Amino-phosphonates

Details Amino-phosphonates Amino-phosphonates

1978-10-20

1986-04-01

Berch, Mark L.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

544157, 544 88, 544 63, 546 22, 252609, 252 82, 252389A, C07F 965, C07F 958, C07F 940

Patent

active

045799563

ABSTRACT:
Amino-phosphonates are prepared by reacting an enamine with a phosphite ester, for example, according to the equation ##STR1## where OR' is an alcohol moiety and NR.sub.2 is an amino moiety, both R and R' being preferably hydrocarbon such as alkyl or R.sub.2 is part of a ring structure. These compounds have many uses, for example, as corrosion inhibitors, scale inhibitors, fuel stabilizers, etc. In addition, amino-phosphonates can be converted to alpha, beta - unsaturated phosphonates according to the equation ##STR2## which are useful in forming flame retardant polymers and copolymers.

REFERENCES:
patent: 2460043 (1949-01-01), Teeters
patent: 2635112 (1953-04-01), Fields
patent: 2795609 (1957-06-01), Jensen
patent: 2847442 (1958-08-01), Sallman
patent: 3155708 (1964-11-01), Chupp
patent: 3352948 (1967-11-01), Kawahara et al.
Khamitov et al, Dokl. Akad. Nauk, SSSR, vol. 172(5), pp. 1099-1101, (1967).
Fieser et al, Organic Chemistry, pp. 49-50 (1944).
Hawley, The Condensed Chemical Dictionary, 8th Ed., p. 252.

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