Process for preparing a new derivative of (20s)...

Details Process for preparing a new derivative of (20s)... Process for preparing a new derivative of (20s)...

C - Chemistry, Metallurgy

07

J

260/89

C07J 43/00 (2006.01) C07J 41/00 (2006.01)

Patent

CA 1140111

PRECIS DE DIVULGATION L'invention concerne un procédé de préparation du (20S)3.alpha.-[(aminoacétyl)amino] 5a-prégnan-20-ol et de ses sels d'addition avec les acides organiques ou minéraux pharmaceu- tiquement acceptables qui consiste essentiellement à soumettre la funtumidine à l'action d'un aminoacide: Image , à cliver ensuite le groupement R et, le cas échéant, à salifier le produit ainsi obtenu. Le (20S)3.alpha.-[(aminoacétyl) amino] 5.alpha.-prégnan-20-ol et de ses sels d'addition avec les acides organiques ou minéraux stimulent en particulier les défenses de l'organisme en potentialisant notamment la production d'immunoglobulines E.

358412

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