Method for the Preparation of N-Oxyl Hindered Amine Inhibitors
    1.
    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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