Antioxidative vitamin B6 analogs
First Claim
Patent Images
1. A compound having the formula:
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whereinR1 is hydrogen, or acyl with 2-22 carbons (excluding retinoyl);
R2 is hydrogen, or aryl with 6-30 carbons;
provided that at least one of R1 or R2 is not hydrogen;
X1, X2 and X3 are independently O, S, or NR3;
R3 is hydrogen, alkyl with 1-6 carbons, or acyl with 2-6 carbons;
Y is O, S, or NH;
Z is CH or N;
or salts or esters derived therefrom.
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Abstract
The present invention relates to novel antioxidative Vitamin B6 analogs and their use in the cosmetic, dermatological, pharmaceutical and/or nutritional fields. Analogs can be provided in suitable formulations intended in particular for caring for the skin, make up for the skin, protection from the sun of the skin, as well as for the treatment of diseases of the skin and bone, and viral, parasitic and fungal infections.
51 Citations
9 Claims
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1. A compound having the formula:
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wherein R1 is hydrogen, or acyl with 2-22 carbons (excluding retinoyl);
R2 is hydrogen, or aryl with 6-30 carbons;
provided that at least one of R1 or R2 is not hydrogen;
X1, X2 and X3 are independently O, S, or NR3;
R3 is hydrogen, alkyl with 1-6 carbons, or acyl with 2-6 carbons;
Y is O, S, or NH;
Z is CH or N;
or salts or esters derived therefrom. - View Dependent Claims (7, 8, 9)
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2. A compound having the structure:
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3. A compound having the structure:
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4. A compound having the structure:
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5. A compound having the structure:
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6. A compound having the structure:
Specification
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Current AssigneeAndreas J. Kesel, Oberthür, Walter
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Original AssigneeAndreas J. Kesel, Oberthür, Walter
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InventorsOberthür, Walter, Kesel, Andreas J.
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Primary Examiner(s)Peselev, Elli
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Application NumberUS09/437,627Time in Patent Office881 DaysField of Search546/301, 536/4.1, 536/13.7, 536/123, 536/18.7, 514/13, 514/89, 514/92, 514/54, 514/23US Class Current514/54CPC Class CodesC07F 9/58 Pyridine ringsC07F 9/65586 at least one of the hetero ...
