Phosphonamidic condensation reaction product

Details Phosphonamidic condensation reaction product Phosphonamidic condensation reaction product

1977-06-16

1979-06-05

Douglas, Winston A.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

252 499, 2606065R, 2606065P, 260920, 260926, 526 19, 526 22, 526 27, 526193, 526233, 526290, 528392, C07F 922, C07F 926, C07F 936

Patent

active

041573390

ABSTRACT:
A phosphorous halide (for example, PCl.sub.3) is present during the Friedel-Crafts polymerization of an alpha-monoalkene, resulting in the in situ formation of a phosphorylated polymer. Further reaction of the polymer with a polyamine converts phosphoryl groups to phosphonamide groups, yielding a product which is useful as a lube oil detergent.

REFERENCES:
patent: 2852550 (1958-09-01), Godfrey
patent: 3356670 (1967-12-01), Rudner et al.
patent: 3562160 (1971-02-01), Ford et al.
Jungermann et al., "J. Org. Chem.," vol. 27, pp. 606-610 (1962).

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