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US 4,544,556 AGranted
Xanthine derivatives, pharmaceutical compositions containing same and their therapeutic use
AssigneeMalesci S.p.A. Istituto Farmacologico
InventorsMauro Fedi, Graziano Bonacchi
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Abstract
Alkyl-substituted xanthines having a prevailingly peripheral theophylline-assimilated activity, process for their preparation, pharmaceutical compositions containing said xanthines and their therapeutic use.
Claims12
A compound of the formula ##STR3## wherein R.sub.1 =H;
- CH.sub.3
- R.sub.3 =C.sub.n H.sub.2n+1
- R.sub.8 =H;
- CH.sub.3
- n is 1 to 5.
2 more elements
A pharmaceutical composition containing an effective quantity of a compound of the formula ##STR4## wherein R.sub.1 =H;
- CH.sub.3
- R.sub.3 =C.sub.n H.sub.2n+1
- R.sub.8 =H;
- CH.sub.3
- n is 1 to 5,
- in combination with an inert pharmaceutically acceptable carrier to produce an antibronchospastic or antiphosphodiesterase effect.
3 more elements
Dependencies are inferred from the claim text.