Alkylated 2,2'-biphenylene phosphites

Details Alkylated 2,2'-biphenylene phosphites Alkylated 2,2'-biphenylene phosphites

1979-11-13

1981-09-08

Sutto, Anton H.

Chemistry of carbon compounds

Dipeptides, e.g., aspartame, anserine, carnosine, etc.

260936, C07F 915

Patent

active

042883911

ABSTRACT:
Alkylated 1,1'-biphenyl-2,2'diyl phosphites are prepared by reacting alkylated 2,2'-biphenol with phosphorous trichloride in an organic solvent and then reacting the intermediate with an alcohol or thiol. Said phosphites are useful as stabilizers of organic polymers and lubricating oils, especially as process stabilizers for polyolefins, elastomers, polyesters and polycarbonates.

REFERENCES:
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patent: 3476699 (1969-11-01), Kauder et al.
patent: 3558554 (1971-01-01), Kuriyama et al.
patent: 3796684 (1974-03-01), Dever et al.
patent: 4094855 (1978-06-01), Spivack
patent: 4196117 (1980-04-01), Spivack
Abstract of USSR 274,293, from Soviet Inventions Illustrated, 1/1971.
Verizhnikov, et al., "Chem. Abs.", vol. 68, (1968), 12597s.
Kirpichnikov, et al., "Chem. Abs.", vol. 73, (1970) 15657a.
Verizhnikov, et al., "Chem. Abs.", vol. 75 (1975), 130242a.
Derwent Abstract of Russian Pat. Nos. 378,389, 429,070, 440,390.

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