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coumarin derivatives and their salts, process for the loropreparazione and their use in the pharmaceutical field.
coumarin derivatives and their salts, process for the loropreparazione and their use in the pharmaceutical field.
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机译:香豆素衍生物及其盐,氯雷帕雷蒙酮的制备方法及其在制药领域的用途。
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摘要
The present invention relates to novel coumarin derivatives of formula (I) wherein: X=O or S; n=zero, 1, 2, 3 or 4; R5 and R6, which can be the same or different, are optionally unsaturated C1-C4 alkyl groups, or together with the nitrogen atom they form a residue of cyclic amines optionally containing other heteroatoms; R1=CH3 or phenyl; R2 and Rcustom-character file="US20040023893A1-20040205-P00900.TIF" wi="20" he="20" id="custom-character-00001"/4, which can be the same or different, are H, OH, allyl, halogen or methyl.
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