Production method of thienopyrimidine derivative

    公开(公告)号:US11731983B2

    公开(公告)日:2023-08-22

    申请号:US17349584

    申请日:2021-06-16

    Inventor: Kazuhiro Miwa

    CPC classification number: C07D495/04 C07D333/38 C07D409/12

    Abstract: The present invention provides a production method of a thienopyrimidine derivative or a salt thereof which has a gonadotropin releasing hormone (GnRH) antagonistic action with high quality in high yield. The present invention provides a method of producing a thienopyrimidine derivative, which comprises reacting 6-(4-aminophenyl)-1-(2,6-difluorobenzyl)-5-dimethylaminomethyl-3-(6-methoxypyridazin-3-yl)thieno[2,3-d]pyrimidine-2,4(1H,3H)-dione or salt thereof, 1,1′-carbonyldiimidazole or a salt thereof and methoxyamine or a salt thereof, and the like.

    CATIONIC LIPIDS
    64.
    发明公开
    CATIONIC LIPIDS 审中-公开

    公开(公告)号:US20230257338A1

    公开(公告)日:2023-08-17

    申请号:US17900412

    申请日:2022-08-31

    CPC classification number: C07C69/533 A61K9/1617 C12N15/113

    Abstract: The present invention provides a technique that enables introduction of active ingredients, in particular, nucleic acids, into cells with superior efficiency; and cationic lipids, etc., for use in the technique. The compound or a salt thereof according to the present invention is a compound represented by formula (I) or a salt thereof. In formula (I), n represents an integer of 2 to 5, R represents a linear C1-5 alkyl group, a linear C7-11 alkenyl group, or a linear C11 alkadienyl group, and wavy lines each independently represent a cis-bond or a trans-bond.

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