Substituted 1,3,2,4-diazadiphosphetidines and compositions stabi

Details Substituted 1,3,2,4-diazadiphosphetidines and compositions stabi Substituted 1,3,2,4-diazadiphosphetidines and compositions stabi

1994-08-31

1996-07-09

Morgan, Kriellion S.

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

Organic compounds

Phosphorus esters

558155, 558157, 564 13, 564 14, C07C22900, C07C26100, C07F 922, C07F 936

Patent

active

055346464

ABSTRACT:
Substituted 1,3,2,4-diazadiphosphetidines of formula I ##STR1## where preferably, R.sub.1 and R.sub.2 are branched alkyl or aryl, m and n are 1, p and q are 0, and YR.sub.3 and XR.sub.4 are substituted --O--phenyl or --N(alkyl).sub.2, are excellent stabilizers for organic materials, particularly polyolefins.

REFERENCES:
patent: 3083222 (1963-03-01), Binder et al.
J. Am. Chem. Soc. 1981, 103, 6770, 6772.
JCS Chem. Comm., 1978 p. 372-373.
Chemical Communications (1971) p. 1405-1406.
Angew. Chem. Internat. Edit. vol. 8, 1969 No. 10.
Ber., 27, 490 (1894).
USSR Otkrytiya, Izobret. Prom. Ofraztsy, Tovarnye Znaki, 53(20) 84(1976).
Derwent 64543y/36.
C. A. 85(14) 95681q.
Polymer Science USSR vol. 20, pp. 238-247.
Derwent 54865A/30.
C. A. 87(26), 202623n.
Derwent 58226A/32.
W. Zeiss et al., 32b, 485(1977).
R. Holmes et al., Inog. Chem. 2, 380(1963).
E. W. Abel. et al., J. Chem. Soc. 1965, 57.
Phosphorus Complexes and Compounds pp. 258-260.

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