SILDENAFIL N-OXIDE AS PRODRUG
    73.
    发明专利

    公开(公告)号:CA2690294A1

    公开(公告)日:2008-12-31

    申请号:CA2690294

    申请日:2008-06-23

    Abstract: The invention concerns sildenafil N-oxide as prodrug, to pharmaceutical compositions containing this compound, to methods for preparing it, and methods for preparing compositions. The invention relates to 1-[[3-(6,7-dihydro-1-methyl-7-oxo-3-propyl-1H-pyrazolo[4,3-d]pyrimidin-5-yl)-4-ethoxyphenyl]sulfonyl]-4-methyl-4-oxido-piperazine having formula (1A) and pharmacologically acceptable salts, hydrates and solvates thereof. The invention also relates to uses of the compound, and compositions containing it, particularly for the manufacture of medicaments useful in the treatment of affections or diseases effectively treatable - albeit with side effects - with sildenafil.

    74.
    发明专利
    未知

    公开(公告)号:BRPI0518372A2

    公开(公告)日:2008-11-18

    申请号:BRPI0518372

    申请日:2005-12-06

    Abstract: The present invention relates to a group of novel 3 -(2-piperidin-4-yl-ethyl)-1H-indole derivatives with a dual mode of action: serotonin reuptake inhibition and affinity for dopamine-D 2 receptors and to methods for the preparation of these compounds. The invention also relates to the use of a compound disclosed herein for the manufacture of a medicament giving a beneficial effect. The compounds have the general formula (1) wherein the symbols have the meanings given in the specification.

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