Polyglycolate peracid precursors

Details Polyglycolate peracid precursors Polyglycolate peracid precursors

C - Chemistry, Metallurgy

07

C

260/472, 8/83, 2

C07C 409/24 (2006.01) C11D 3/39 (2006.01)

Patent

CA 2013252

Polyglycolate compounds are provided having the general structure: (See Formula I) wherein n is an integer from 2 to about 10; R is C1-20 linear or branched alkyl, alkoxylated alkyl, cycloalkyl, aryl, alkylaryl, substituted aryl; R' and R" are independently H, C1-20 alkyl, aryl, C1-20 alkylaryl, substituted aryl, and NR3.alpha.+, wherein R.alpha. is C1-30 alkyl; and L is a leaving group displaceable in a peroxygen bleaching solution by perhydroxide anion. When this compound is combined with a source of peroxygen in aqueous solution, then a plurality of stain removing peracids are formed. Such peracids are formed substantially sequentially beginning with the carbonyl adjacent to the leaving group L. Thus, a first stain removing peracid having the structure (See Formula II) will be formed in amounts approaching quantitative yield.

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