Rheadan-type alkaloids and the preparation thereof
    1.
    发明授权
    Rheadan-type alkaloids and the preparation thereof 失效
    RHEADAN型碱性物质及其制备方法

    公开(公告)号:US3772327A

    公开(公告)日:1973-11-13

    申请号:US3772327D

    申请日:1971-07-27

    CPC classification number: C07D317/60

    Abstract: THE PRESENT INVENTION RELATES TO THE PREPARATION OF NOVEL RHEADAN-TYPE ALKALOIDS AND TO NOVEL INTERMEDIATES USEFUL IN THE PREPARATION THEOF. THE PROCESS UTILIZES AS STARTING MATERIALS A KNOWN CLASS OF ALKALOIDS OF THE NARCOTINE OR OF THE HYDRASTINE TYPE. CERTAIN OF THE SAID NOVEL INTERMEDIATES ARE ALSO PHARMACEUTICALLY USEFUL IN AND OF THEMSELVES. ADDITIONALLY, CERTAIN OF THE NOVEL INTERMEDIATES CAN BE CONVERTED INTO OTHER TYPE ALKALOIDS WHICH ARE ALSO PHARMACEUTICALLY USEFUL.

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