C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
260/242.4
C07D 473/06 (2006.01) C07D 239/545 (2006.01) C07D 239/553 (2006.01) C07D 239/62 (2006.01)
Patent
CA 1155841
ABSTRACT Di- and Tri- Substituted Xanthines The invention relates to xanthines corresponding to the formula Image and physiologically acceptable salts thereof, in which R1 represents C2-C4-alkyl, C3-C4-isoalkyl, CH2-(C2-C3- alkenyl) or CH2-(C3-isoalkenyl); R3 represents C3-C5-alkyl, C3-C5-isoalkyl, CH2-(C2-C4- alkenyl) or CH2-(C3-C4-isoalkenyl); R8 represents H, methyl or ethyl; with the proviso that 1) when R8 represents H, R1 is allyl and 2) R1 and R3 cannot both represent butyl or allyl at the same time. The compounds show non-specific or anxiolytic sedative activity.
375586
Enslen Marc
Philippossian Georges
Borden Ladner Gervais Llp
Societe Des Produits Nestle S.a.
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