Gibberellins compounds for veterinary and medicinal...

A - Human Necessities – 61 – K

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A61K 31/365 (2006.01) A61K 31/19 (2006.01) A61K 31/215 (2006.01) A61P 17/02 (2006.01) C12N 5/06 (2006.01) C12N 5/08 (2006.01)

Patent

CA 2209315

Compounds of formula (1) (Gibberellins), and their pharmaceutically acceptable derivatives when used as promoters of lesion-healing, ulcer- healing, wound-healing or cultivation of skin cell lines or hair growth on animals, including humans, wherein A is COOR, where R is hydrogen, unsubstituted or substituted C1-20 alkyl, allyl, aryl, arylalkyl, amidine, NR4R5 or an unsaturated or saturated ring containing one or more hetero- atoms. R4 and R5 may or may not be the same, are hydrogen, or C1-20 alkyl, allyl, aryl, aralykyl or an unsaturated or saturated ring containing one or more hetero-atoms; B is hydrogen, hydroxyl, mercaptan, halogen; or A and B together form a -CO-O- linkage; R1 is hydrogen, hydroxyl, mercaptan, halogen, amino, azido, NR4R5, unsubstituted or substituted C1-20 alkyl, allyl, aryl, arylalkyl; and R2 is methylene, hetero-atoms.

La présente invention concerne des composés conformes à la formule (1) ci-dessous (gibberellines) et leurs dérivés acceptables sur le plan pharmaceutique quand ils sont employés comme activateurs de la cicatrisation de lésions, d'ulcères et de blessures ou de la culture de lignées de cellules de la peau ou de la pousse des poils ou des cheveux sur les animaux et les êtres humains. Dans cette formule, A est COOR, R étant hydrogène, alkyle C1-20 substitué ou non, allyle, aryle, arylalkyle, amidine, NR<4>R<5> ou un noyau, saturé ou non, comportant un ou plusieurs hétéroatomes. R<4> et R<5> peuvent être identiques ou non, sont hydrogène ou alkyle C1-20, allyle, aryle, aralkyle ou un noyau, saturé ou non, comportant un ou plusieurs hétéroatomes, B est hydrogène, hydroxyle, mercaptan, halogène, ou bien A et B forment ensemble une liaison -CO-O-, R<1> est hydrogène, hydroxyle, mercaptan, halogène, amino, azido, NR<4>R<5>, un alkyle C1-20 substitué ou non, allyle, aryle, arylalkyle, et R<2> est méthylène ou des hétéro-atomes.

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