Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Peptide containing doai
Reexamination Certificate
2007-09-11
2007-09-11
Tsang, Cecilia J. (Department: 1654)
Drug, bio-affecting and body treating compositions
Designated organic active ingredient containing
Peptide containing doai
Reexamination Certificate
active
10503090
ABSTRACT:
The invention relates to peptides of formula (I) R-V1-Ala2-His3-X4-Y5-Trp5-NH2 wherein R represents a hydrogen atom or a protective group which can be chosen from among a benzoyl group, a tosyl group, a benzene sulfonyl group, a benzyloxycarbonyl group or a pyridinepropionyl group; V represents a natural amino acid or not chosen from among norleucine, norvaline and 2-N-Me-norleucine, X represents a natural amino acid or not having an aromatic character chosen from among phenylalanine, 1-naphtylalanine, 2-naphtylalanine, phenylglycine, benzothienylalanine, 4,4′-biphenylalanine, 3,3-diphenylalanine, homophenylalanine, indanylglycine, 4-methylphenylalanine, thienylalanine, p-nitrophenylalanine, halogenophenylalanine of configuration L or D; Y represents a natural amino acid of configuration L, having a basic character chosen from among arginine, lysine or ornithine, the enantiometers or diastercoisomers, and the mixtures thereof, including racemic mixtures. The invention also relates to a method for the preparation and application thereof in the field of therapeutics or cosmetics.
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Bradley Christina Marchetti
Institut European de Biologie Cellulaire
Tsang Cecilia J.
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