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XANTHINE DERIVATIVES, PREPARATION METHOD AND INTERMEDIATES THEREOF, THEIR APPLICATION AS MEDICAMENT AND PHARMACEUTICAL COMPOSITIONS COMPRISING THE SAME
XANTHINE DERIVATIVES, PREPARATION METHOD AND INTERMEDIATES THEREOF, THEIR APPLICATION AS MEDICAMENT AND PHARMACEUTICAL COMPOSITIONS COMPRISING THE SAME
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机译:黄嘌呤衍生物,其制备方法及其中间体,其作为药物和包含其的药物组合物的应用
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摘要
The invention concerns xanthine derivatives of formula (I) and their salts wherein: R1 represents a monocyclic or polycyclic system containing 0, 1, 2, 3 or 4 substituted or unsubstituted heteroatoms; R2 = H, R4, -(CH2)n-R4 or (CH2)m-O-R4, with R4 = R1 or substituted or unsubstituted alkyl; R3 = H; n and m = 1, 2 or 3. The invention also concerns the method for preparing said derivatives and intermediates of said method, their use as medicine and pharmaceutical compositions containing them.
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