Inhibitor Combination for Lithium Salt-Catalyzed Transesterification Process and Method for Removing Lithium Salt
    3.
    发明申请
    Inhibitor Combination for Lithium Salt-Catalyzed Transesterification Process and Method for Removing Lithium Salt 有权
    锂盐催化酯交换反应的抑制剂组合及其脱锂方法

    公开(公告)号:US20160297736A1

    公开(公告)日:2016-10-13

    申请号:US15100759

    申请日:2014-11-21

    Abstract: A process to form a composition comprising an asymmetrical polyene, the asymmetrical polyene comprising an “α,β unsaturated-carbonyl end” and a “C—C double bond end,” the process comprising: reacting an alkene- or polyene-containing alcohol with an alkyl ester of an α,β unsaturated carboxylic acid in the presence of at least the following components A) through C) to form a solution comprising an asymmetrical polyene: A) a lithium salt; B) a component selected from the group consisting of hydroquinone, an alkyl-substituted phenol, a substituted alkyl-substituted phenol, an alkyl-substituted hydroquinone, a substituted alkyl-substituted hydroquinone, and combinations thereof; and C) an N-oxyl-containing compound; wherein the “α,β unsaturated-carbonyl end” of the asymmetrical polyene is selected from the group consisting of structures a) through c), as described herein, and wherein the “C—C double bond end” of the asymmetrical polyene is selected from the group consisting of structures 1) through 17), as described herein.

    Abstract translation: 形成包含不对称多烯的组合物的方法,所述不对称多烯包含“α,β不饱和羰基端”和“C-C双键末端”,该方法包括:使含烯烃或含多烯醇与 在至少以下组分A)至C)的存在下,α,β不饱和羧酸的烷基酯形成包含不对称多烯的溶液:A)锂盐; B)选自氢醌,烷基取代的酚,取代的烷基取代的酚,烷基取代的氢醌,取代的烷基取代的氢醌及其组合的组分; 和C)含有N-氧基的化合物; 其中不对称多烯的“α,β不饱和羰基端”选自如本文所述的结构a)至c),并且其中选择不对称多烯的“C-C双键末端” 来自由结构1)至17)组成的组,如本文所述。

    Method for the Preparation of N-Oxyl Hindered Amine Inhibitors
    4.
    发明申请
    Method for the Preparation of N-Oxyl Hindered Amine Inhibitors 审中-公开
    N-氧化受阻胺抑制剂的制备方法

    公开(公告)号:US20140323734A1

    公开(公告)日:2014-10-30

    申请号:US14363968

    申请日:2012-12-04

    CPC classification number: C07D401/12 C07D211/94

    Abstract: The present disclosure provides a composition and method for the preparation of N-oxyl hindered amine esters by contacting a compound of Formula (I), wherein R1 and R2 are independently an alkyl, with a compound of Formula (II), wherein R3 and R4 are independently an alkyl, and n is an integer from 3 to 10, in the presence of a catalyst and a solvent, wherein the catalyst comprises at least one of tin, lithium, zirconium, and hafnium.

    Abstract translation: 本公开提供了通过使其中R 1和R 2独立地为烷基的式(I)化合物与式(II)的化合物接触来制备N-氧基受阻胺酯的组合物和方法,其中R 3和R 4 在催化剂和溶剂的存在下,独立地为烷基,n为3至10的整数,其中所述催化剂包含锡,锂,锆和铪中的至少一种。

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