Stabilized derivatives of ascorbic acid-3-phosphate

Details Stabilized derivatives of ascorbic acid-3-phosphate Stabilized derivatives of ascorbic acid-3-phosphate

2006-05-16

2006-05-16

Dentz, Bernard (Department: 1625)

Drug, bio-affecting and body treating compositions

Designated organic active ingredient containing

Having -c-, wherein x is chalcogen, bonded directly to...

C514S844000, C549S315000, C549S317000

Reexamination Certificate

active

07045546

ABSTRACT:
Novel derivatives of ascorbic acid and compositions comprising them are provided. The novel derivatives are of the following general formula (I): where R1 is a C2–C22 saturated or unsaturated fatty acid residues, amino acid residues, or a C1–C17 alkyl ; R2 is a group of the following formula (II) wherein R5 or R6 are the same or different and represent hydrogen, a C1–C4 alkyl, or R5 is C1–C4 alkyl group and R6 is a metal cation or ammonium cation; R3 or R4 are the same or different and represent hydrogen, C2–C22 saturated or unsaturated fatty acid residues, amino acid residues, or a C1–C17 alkyl.

REFERENCES:
patent: 3671549 (1972-06-01), Hinkley
patent: 1805958 (1969-05-01), None
patent: 1668743 (1972-03-01), None
patent: 3613590 (1985-11-01), None
patent: 0875248 (1998-11-01), None

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