1-7 substituted xanthine derivatives having antiasthmatic...

Details 1-7 substituted xanthine derivatives having antiasthmatic... 1-7 substituted xanthine derivatives having antiasthmatic...

C - Chemistry, Metallurgy

07

D

C07D 473/06 (2006.01) A61K 31/52 (2006.01)

Patent

CA 2083257

2083257 9117993 PCTABS00008 This invention relates to xanthine derivatives having antiasthmatic activity and of general formula (I), wherein R is a linear or branched chain alkyl group of from one to six carbon atoms, and R1 is a linear or branched chain alkyl or hydroxyalkyl group of from one to six carbon atoms, with the proviso that R and R1 are never methyl groups simultaneously, their physiologically acceptable salts, their pharmaceutical compositions having antiasthmatic activity, as well as two processes for their preparation.

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