Nucleosides

C - Chemistry – Metallurgy – 07 – H

Patent

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Details

C07H 19/06 (2006.01) A61K 31/52 (2006.01) A61K 31/70 (2006.01) C07D 473/00 (2006.01) C07D 473/18 (2006.01) C07D 473/32 (2006.01) C07D 473/34 (2006.01) C07H 19/04 (2006.01) C07H 19/067 (2006.01) C07H 19/16 (2006.01) C07H 19/167 (2006.01) C07B 61/00 (2006.01)

Patent

CA 2271135

Mixed esters of antiviral nucleosides such as compounds of Formula (I), where B is natural or unnatural nucleotide base, X is O or CH2, Y and Z are each H, or together form a bond, or Y is methylene or -CH(OH)- and Z is a bond thereto; n is 0 or 1; one of R1 and R2 is the acyl residue of an aliphatic amino acid and the other is -C(=O)C5-C21 saturated or monounsaturated alkyl; and pharmaceutically acceptable salts thereof have advantageous pharmacokinetic and other properties.

Esters mélangés de nucléosides antiviraux, tels que des composés représentés par la formule (I) dans laquelle B représente une base de nucléotide naturelle ou non, X représente O ou CH¿2?, Y et Z représente chacun H ou constituent ensemble une liaison ou Y représente méthylène ou -CH(OH)- et Z représente une liaison avec ces dernières; n est 0 ou 1; un de R¿1? et de R¿2? représente le résidu acyle d'un acide amino aliphatique et l'autre représente alkyle -C(=O)C¿5?-C¿21?, et leurs sels acceptables sur le plan pharmaceutique, possédant des propriétés pharmacocinétiques et d'autres propriétés avantageuses.

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