Method for producing 1, 2-dihydropyridine-2-one compound
    2.
    发明授权
    Method for producing 1, 2-dihydropyridine-2-one compound 有权
    1,2-二氢吡啶-2-酮化合物的制备方法

    公开(公告)号:US08304548B2

    公开(公告)日:2012-11-06

    申请号:US11649299

    申请日:2007-01-04

    IPC分类号: C07D401/02

    CPC分类号: C07D213/64

    摘要: The present inventions provide a method for commercially producing a 1,2-dihydropyridine-2-one compound represented by the following formula (III-a) wherein the ring A represents an optionally substituted 2-pyridyl group, the ring B represents an optionally substituted phenyl group, and the ring C represents an optionally substituted phenyl group. Further, the invention provides crystals of 3-(2-cyanophenyl)-5-(2-pyridyl)-1-phenyl-1,2-dihydropyridin-2-one and production processes therefor.

    摘要翻译: 本发明提供了一种商业生产下式(III-a)表示的1,2-二氢吡啶-2-酮化合物的方法,其中环A表示任选取代的2-吡啶基,环B表示任选取代的 苯基,环C表示任选取代的苯基。 此外,本发明提供3-(2-氰基苯基)-5-(2-吡啶基)-1-苯基-1,2-二氢吡啶-2-酮的晶体及其制备方法。

    Methods for producing cyclic benzamidine derivatives
    5.
    发明申请
    Methods for producing cyclic benzamidine derivatives 失效
    环苯甲脒衍生物的制备方法

    公开(公告)号:US20060058370A1

    公开(公告)日:2006-03-16

    申请号:US11208289

    申请日:2005-08-18

    IPC分类号: C07D209/44 A61K31/4035

    摘要: In the present invention, the methods of producing a fluorinated cyclic benzamidine derivative (A), or a salt thereof, comprise the step of reacting a specific novel compound with ammonia or imide. The methods of this invention for producing a morpholine-substituted phenacyl derivative (B), or a salt thereof, comprise reaction of a specific novel compound with morpholine, reaction of the product with a halogenating reagent, and deketalization of the product. The methods of this invention for a producing cyclic benzamidine derivative (C), or a salt thereof, comprise the step of coupling compound (A), or a salt thereof, with compound (B), or a salt thereof, in the presence of an ether or a hydrocarbon. The methods of this invention for recrystallizing a cyclic benzamidine derivative (C), or a salt thereof, comprise the steps of dissolving compound (C), or the salt thereof, in a mixed solvent comprising an alcohol and water, or a mixed solvent comprising an ether and water, and after dissolution, adding additional water to precipitate crystals of compound (C), or the salt thereof.

    摘要翻译: 在本发明中,制备氟化环状苯甲脒衍生物(A)或其盐的方法包括使特定的新化合物与氨或酰亚胺反应的步骤。 本发明用于生产吗啉取代的苯甲酰甲基衍生物(B)或其盐的方法包括特异性新化合物与吗啉的反应,产物与卤化试剂的反应和产物的脱缩合作用。 本发明的制备环状苯甲脒衍生物(C)或其盐的方法包括将化合物(A)或其盐与化合物(B)或其盐偶联的步骤在 醚或烃。 本发明用于环状苄脒衍生物(C)或其盐的重结晶的方法包括将化合物(C)或其盐溶解在包含醇和水的混合溶剂中的步骤或包含 醚和水,溶解后加入另外的水,使化合物(C)的结晶或其盐析出。

    Process for the preparation of pyridine derivatives
    6.
    发明授权
    Process for the preparation of pyridine derivatives 失效
    吡啶衍生物的制备方法

    公开(公告)号:US06313303B1

    公开(公告)日:2001-11-06

    申请号:US09462180

    申请日:2000-01-03

    IPC分类号: C07D40100

    CPC分类号: C07D401/12

    摘要: Processes for preparing sulfoxides useful as drugs such as acid secretion inhibitors or antiulcer drugs or intermediates for the preparation of drugs in high yields, at high purities, and with safety. Specifically, a process for the preparation of sulfoxides (II) by oxidizing a thio ether (I) with a peroxoborate salt in the presence of an acid anhydride or a metal catalyst; and a process for the preparation of sulfoxides (II) by oxidizing a thio ether (I) with an N-halosuccinimide, 1,3-dihalo-5,5-dimethyl-hydantoin or dichloroisocyanuric acid salt in the presence of a base. In said formulae R1 is hydrogen, methoxy or difluoromethoxy; R2 is methyl or methoxy; R3 is 3-methoxypropoxy, methoxy or 2,2,2-trifluoroethoxy; and R4 is hydrogen or methyl

    摘要翻译: 用于制备用作药物的亚砜的方法,例如酸分泌抑制剂或抗溃疡药物或用于以高产率,高纯度和安全性制备药物的中间体。 具体地说,在酸酐或金属催化剂存在下,用过氧硼酸盐氧化硫醚(I),制备亚砜(Ⅱ)的方法; 和通过在碱存在下用N-卤代琥珀酰亚胺,1,3-二卤代-5,5-二甲基 - 乙内酰脲或二氯异氰脲酸盐氧化硫醚(I)来制备亚砜(II)的方法。 在所述式中,R 1是氢,甲氧基或二氟甲氧基; R2是甲基或甲氧基; R3是3-甲氧基丙氧基,甲氧基或2,2,2-三氟乙氧基; R4为氢或甲基

    NOVEL INTERMEDIATE FOR HALICHONDRIN B ANALOG SYNTHESIS AND NOVEL DESULFONYLATION REACTION USED FOR THE INTERMEDIATE
    9.
    发明申请
    NOVEL INTERMEDIATE FOR HALICHONDRIN B ANALOG SYNTHESIS AND NOVEL DESULFONYLATION REACTION USED FOR THE INTERMEDIATE 审中-公开
    用于中间体的HALICHONDRIN B类似物合成和新型脱乙酰化反应的新型中间体

    公开(公告)号:US20090203771A1

    公开(公告)日:2009-08-13

    申请号:US12271731

    申请日:2008-11-14

    IPC分类号: A61K31/365 C07F15/00

    CPC分类号: C07D493/22

    摘要: The present invention provides a novel method for producing a compound represented by formula (III) shown below, which comprises treating a compound represented by formula (I) shown below with a trivalent chromium compound and at least one kind of metal selected from the group consisting of manganese and zinc in a solvent in the presence of a ligand represented by formula (II) shown below, and the present invention further provides the novel compound represented by formula (I).

    摘要翻译: 本发明提供了一种制备由下式(III)表示的化合物的新方法,其包括用三价铬化合物和至少一种选自下列的金属中的至少一种金属来处理由下面所示的式(I)表示的化合物: 的锰和锌在溶剂中,在由下式(II)表示的配位体存在下,本发明还提供由式(I)表示的新型化合物。

    Methods for producing cyclic benzamidine derivatives
    10.
    发明授权
    Methods for producing cyclic benzamidine derivatives 失效
    环苯甲脒衍生物的制备方法

    公开(公告)号:US07375236B2

    公开(公告)日:2008-05-20

    申请号:US11208289

    申请日:2005-08-18

    摘要: In the present invention, the methods of producing a fluorinated cyclic benzamidine derivative (A), or a salt thereof, comprise the step of reacting a specific novel compound with ammonia or imide.The methods of this invention for producing a morpholine-substituted phenacyl derivative (B), or a salt thereof, comprise reaction of a specific novel compound with morpholine, reaction of the product with a halogenating reagent, and deketalization of the product.The methods of this invention for a producing cyclic benzamidine derivative (C), or a salt thereof, comprise the step of coupling compound (A), or a salt thereof, with compound (B), or a salt thereof, in the presence of an ether or a hydrocarbon.The methods of this invention for recrystallizing a cyclic benzamidine derivative (C), or a salt thereof, comprise the steps of dissolving compound (C), or the salt thereof, in a mixed solvent comprising an alcohol and water, or a mixed solvent comprising an ether and water, and after dissolution, adding additional water to precipitate crystals of compound (C), or the salt thereof.

    摘要翻译: 在本发明中,制备氟化环状苯甲脒衍生物(A)或其盐的方法包括使特定的新化合物与氨或酰亚胺反应的步骤。 本发明用于生产吗啉取代的苯甲酰甲基衍生物(B)或其盐的方法包括特异性新化合物与吗啉的反应,产物与卤化试剂的反应和产物的脱缩合作用。 本发明的制备环状苯甲脒衍生物(C)或其盐的方法包括将化合物(A)或其盐与化合物(B)或其盐偶联的步骤在 醚或烃。 本发明用于环状苄脒衍生物(C)或其盐的重结晶的方法包括将化合物(C)或其盐溶解在包含醇和水的混合溶剂中的步骤或包含 醚和水,溶解后加入另外的水,使化合物(C)的结晶或其盐析出。