Substituted acylating agents
    49.
    发明授权
    Substituted acylating agents 失效
    取代的酰化剂

    公开(公告)号:US5454964A

    公开(公告)日:1995-10-03

    申请号:US234045

    申请日:1994-04-28

    Abstract: This invention relates to a process for producing substituted acylating agents by the reaction of an enophile with an ene by the thermal route wherein (a) the molar ratio of the enophile to the ene is at least 3:1 and (b) the reaction pressure is raised to above 20 psig an least after addition of the enophile reaction to the reaction is completed and is maintained substantially constant until at least 80% of the ene reactant has been converted to the corresponding acylating agent. The agents so produced are substantially free of chlorine and can be further reacted with an amine or a hydroxy compound to form a derivative which can be used as an additive for a lubricating oil or a fuel.

    Abstract translation: 本发明涉及通过嗜热因子与烯醇的热反应生成取代的酰化剂的方法,其中(a)亲烯子与烯的摩尔比至少为3:1,(b)反应压力 至少在加入到反应的亲合子反应之后至少升高至20psig,并保持基本上恒定,直到至少80%的烯反应物已经转化为相应的酰化剂。 如此制备的试剂基本上不含氯,并且可以进一步与胺或羟基化合物反应以形成可用作润滑油或燃料的添加剂的衍生物。

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