Hydraulic tubing fitting seal
    4.
    发明申请
    Hydraulic tubing fitting seal 审中-公开
    液压油管接头密封

    公开(公告)号:US20080272550A1

    公开(公告)日:2008-11-06

    申请号:US12151221

    申请日:2008-05-02

    申请人: Robert J. Topping

    发明人: Robert J. Topping

    IPC分类号: F16L23/22

    CPC分类号: F16L19/041

    摘要: A seal for a flared end fitting, wherein the fitting includes a male portion having a tapered end, a female portion having a coordinated shape to the male portion, and a flow passage axially disposed in both female and male portions, the seal comprising: a frustoconical portion having an inner end and an outer end, wherein the inner end is circumferentially attached to one end of a cylindrical portion having two ends and coaxially disposed about the cylindrical portion, the cylindrical portion forms a flow passage through the seal, the frustoconical and cylindrical portions form a cavity that fits on the tapered end of the male portion of the fitting, and the cylindrical portion of the seal fits into the flow passage of the male portion of the fitting. A method of sealing a flared end fitting.

    摘要翻译: 用于扩口端配件的密封件,其中所述配件包括具有锥形端部的凸形部分,具有与所述阳性部分相配的形状的阴部分,以及轴向设置在阴部分和阴部分中的流动通道,所述密封件包括: 截头圆锥形部分具有内端和外端,其中内端周向地附接到具有两端的圆柱形部分的一端并且围绕圆柱形部分同轴设置,圆柱形部分形成通过密封件的流动通道,截头圆锥形和 圆筒部形成配合在配件的阳部的锥形端部的空腔,密封件的圆筒部嵌入配件的阳部的流路。 密封扩口端配件的方法。

    Preparation of mibefradil via an acetamide anion
    8.
    发明授权
    Preparation of mibefradil via an acetamide anion 失效
    通过乙酰胺阴离子制备米非拉迪

    公开(公告)号:US5808088A

    公开(公告)日:1998-09-15

    申请号:US60151

    申请日:1998-04-14

    IPC分类号: C07D235/14

    CPC分类号: C07D235/14

    摘要: A method of preparing 2-�2-{�3-(1H-benzimidazol-2-yl)propyl!methylamino)}ethyl!-6-fluoro-1-isopropyl-1,2,3,4-tetrahydronaphthalen-2-yl methoxyacetate comprises contacting 6-fluoro-1-isopropyl-3,4-dihydro-1H-naphthalen-2-one with the dianion of N-�3-(1H-benzimidazol-2-yl)propyl!-N-methylacetamide to form N-�3-(1H-benzimidazol-2-yl)propyl!-2-(6-fluoro-2-hydroxy-1-isopropyl-1,2,3,4-tetrahydronaphthalen-2-yl)-N-methylacetamide, reducing this to 2-�2-{�3-(1H-benzimidazol-2-yl)propyl!methylamino}ethyl!-6-fluoro-1-isopropyl-1,2,3,4-tetrahydronaphthalen-2-ol, and treating the 2-�2-{�3-(1H-benzimidazol-2-yl)propyl!methylamino}ethyl!-6-fluoro-1-isopropyl-1,2,3,4-tetrahydronaphthalen-2-ol with methoxyacetic acid or an activated derivative of methoxyacetic acid. The invention is particularly applicable to the preparation of mibefradil, (lS,2S)-2-�2-{�3-(1H-benzimidazol-2-yl)propyl!methylamino}ethyl!-6-fluoro-1-isopropyl-1,2,3,4-tetrahydronaphthalen-2-yl methoxyacetate, and its dihydrochloride salt. N-�3-(1H-Benzimidazol-2-yl)propyl!-N-methylacetamide, and the acetic acid solvate of 2-�2- {�3-(1H-benzimidazol-2-yl)propyl!methylamino}ethyl!-6-fluoro-1-isopropyl-1,2,3,4-tetrahydronaphthalen-2-ol dioxalate, are new.

    摘要翻译: 制备2- [2 - {[3-(1H-苯并咪唑-2-基)丙基]甲基氨基}}乙基] -6-氟-1-异丙基-1,2,3,4-四氢化萘-2 - 甲氧基乙酸甲酯包括使6-氟-1-异丙基-3,4-二氢-1H-萘-2-酮与N- [3-(1H-苯并咪唑-2-基)丙基] -N-甲基乙酰胺 形成N- [3-(1H-苯并咪唑-2-基)丙基] -2-(6-氟-2-羟基-1-异丙基-1,2,3,4-四氢化萘-2-基)-N - 甲基乙酰胺,将其还原成2- [2 - {[3-(1H-苯并咪唑-2-基)丙基]甲基氨基}乙基] -6-氟-1-氟丙基-1,2,3,4-四氢萘-2-酮 并将2- [2 - {[3-(1H-苯并咪唑-2-基)丙基]甲基氨基}乙基] -6-氟-1-氟丙基-1,2,3,4-四氢化萘 -2-醇与甲氧基乙酸或甲氧基乙酸的活化衍生物反应。 本发明特别适用于制备米非普利,(1S,2S)-2- [2 - {[3-(1H-苯并咪唑-2-基)丙基]甲基氨基}乙基] -6-氟-2-碘异丙基 -1,2,3,4-四氢萘-2-基甲氧基乙酸酯及其二盐酸盐。 N- [3-(1H-苯并咪唑-2-基)丙基] -N-甲基乙酰胺,和2- [2 - {[3-(1H-苯并咪唑-2-基)丙基]甲基氨基}乙基 ] -6-氟-1-异丙基-1,2,3,4-四氢萘-2-醇二氧杂环己烯,是新的。