Bleach precursors with novel leaving groups

Details Bleach precursors with novel leaving groups Bleach precursors with novel leaving groups

1991-06-07

1994-06-14

Lovering, Richard D.

Compositions

Oxidative bleachant, oxidant containing, or generative

Contains activator admixed with inorganic peroxide

252 95, 252 99, C09K 300

Patent

active

053207750

ABSTRACT:
A class of malonates having the structures: ##STR1## has been identified as providing effective bleach precursors. These precursors are employed in conjunction with a peroxygen compound.

REFERENCES:
patent: 4128494 (1978-12-01), Schirmann
patent: 4283301 (1981-08-01), Diehl
Chemical Abstracts, vol. 112, No. 23, Jun. 4, 1990, Abstract No. 216193u.
Chemical Abstracts, vol. 108, No. 15, Apr. 11, 1988, Abstract No. 130992j.
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Chemical Abstracts, vol. 95, No. 5, Aug. 3, 1981, Abstract No. 42576j.
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Chemical Abstracts, vol. 116, No. 21, May 5, 1992, Abstract No. 213975x.
Journal of the American Chemical Society, 87, pp. 3855-3861, Sep. 5, 1965, "Kinetic Demonstration of a Tetrahedral Intermediate in the Hydrolysis of Diethyl Acetylmalonate and Diethyl Acetylethylmalonate", by Gustav E. Lienhard and William P. Jencks.

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