Method for the production of N-alkenyl-amides
    2.
    发明授权
    Method for the production of N-alkenyl-amides 失效
    制备N-烯基酰胺的方法

    公开(公告)号:US06673920B2

    公开(公告)日:2004-01-06

    申请号:US10168211

    申请日:2002-06-19

    IPC分类号: C07D22310

    摘要: A process for preparing N-alkenyl-amides by reacting the corresponding NH-amides with acetylenes in the liquid phase in the presence of basic alkali metal compounds and of a cocatalyst comprises using as the cocatalyst diols of the general formula (I) where X is branched or unbranched alkylene selected from the group consisting of where R1 to R6 are independently hydrogen or C1- to C4-alkyl; or branched or unbranched cyclic alkylene of 3 to 14 carbon atoms including 3 to 12 ring carbon atoms, their monoalkenyl ethers, their dialkenyl ethers or mixtures thereof.

    摘要翻译: 在碱性碱金属化合物和助催化剂存在下,通过使液相中相应的NH-酰胺与乙炔反应来制备N-烯基酰胺的方法包括使用通式(I)的助催化剂二醇,其中X支化 或非支链的亚烷基,其中R 1至R 6独立地为氢或C 1至C 4 - 烷基;包含3至12个环碳原子的3至14个碳原子的支链或非支链环状亚烷基,它们的单链烯基醚,它们的二链烯基醚或 其混合物。

    Method for producing N-alkenyl amides
    5.
    发明授权
    Method for producing N-alkenyl amides 失效
    制备N-烯基酰胺的方法

    公开(公告)号:US06624303B2

    公开(公告)日:2003-09-23

    申请号:US10168213

    申请日:2002-06-19

    IPC分类号: C07D22310

    摘要: A process for preparing N-alkenyl-amides by reacting the corresponding NH-amides with acetylenes in the liquid phase in the presence of basic alkali metal compounds and of a cocatalyst comprises using as the cocatalyst compounds of the general formulae (Ia) and/or (Ib) R1O—(CH2CH2CH2CH2O)n—H  (Ia): R1O—(CH2CH2CH2CH2O)n—R2,  (Ib): where n is 1, 2 or 3 and R1 and R2 are independently C1- to C6-alkyl or C2- to C6-alkenyl, or together a butenyl unit.

    摘要翻译: 在碱性碱金属化合物和助催化剂存在下,通过使相应的NH-酰胺与乙炔在液相中反应来制备N-烯基酰胺的方法包括使用通式(Ia)和/或 (Ib)其中n为1,2或3,R 1和R 2独立地为C 1 -C 6 - 烷基或C 2 -C 6 - 烯基,或一起为丁烯基单元。

    Purification of alkenyl compounds
    6.
    发明授权
    Purification of alkenyl compounds 失效
    链烯基化合物的纯化

    公开(公告)号:US06384216B1

    公开(公告)日:2002-05-07

    申请号:US09924475

    申请日:2001-08-09

    IPC分类号: C07C20984

    摘要: A process for purifying alkenyl compounds having a divalent or trivalent heteroatom in the &agr;-position relative to the double bond by distillation comprises carrying out at least two distillations in which the purified alkenyl compounds are obtained from the gas phase by condensation, where the time between the first distillation after the synthesis of the alkenyl compounds and at least one further distillation is at least one day and the purified alkenyl compounds have an APHA color number of

    摘要翻译: 通过蒸馏纯化在相对于双键的α位具有二价或三价杂原子的烯基化合物的方法包括进行至少两次蒸馏,其中通过冷凝从气相中获得纯化的链烯基化合物,其中, 在合成烯基化合物之后的第一次蒸馏和至少一次进一步的蒸馏是至少一天,并且纯化的烯基化合物的APHA颜色数目<30。

    METHOD FOR THE SEPARATION OF POLYMERIC BY-PRODUCTS FROM 1,4-BUTYNEDIOL
    10.
    发明申请
    METHOD FOR THE SEPARATION OF POLYMERIC BY-PRODUCTS FROM 1,4-BUTYNEDIOL 有权
    从1,4-丁二烯分离聚合副产物的方法

    公开(公告)号:US20090137849A1

    公开(公告)日:2009-05-28

    申请号:US12360278

    申请日:2009-01-27

    IPC分类号: C07C29/17

    摘要: The present invention relates to processes for making 1,4-butanediol, 1,4-butenediol, or a mixture thereof by processing 1,4-butynediol in a dynamic mixing apparatus in an inert gas atmosphere at from 25 to 150° C. at a shear rate in the radial gap between rotor and stator of the mixing apparatus of more than 100 000 sec−1; phase separating the processed 1,4-butynediol at a temperature of from 25 to 150° C.; removing a bottom phase to obtain purified 1,4-butynediol; and reacting the purified 1,4-butynediol with hydrogen in the presence of a catalyst.

    摘要翻译: 本发明涉及通过在惰性气体气氛中在25至150℃下在动态混合装置中处理1,4-丁炔二醇来制备1,4-丁二醇,1,4-丁烯二醇或其混合物的方法。 混合装置的转子和定子之间的径向间隙的剪切速率大于100 000sec -1; 在25至150℃的温度下分离加工的1,4-丁炔二醇。 除去底相以获得纯化的1,4-丁炔二醇; 并在催化剂存在下使纯化的1,4-丁炔二醇与氢反应。