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    • 2. 发明授权
    • Process for producing alkyl-substituted hydroquinones
    • 制备烷基取代的氢醌的方法
    • US06303801B1
    • 2001-10-16
    • US09517058
    • 2000-03-02
    • Tomoyuki SuzukiToshio Sasaki
    • Tomoyuki SuzukiToshio Sasaki
    • C07C5004
    • C07C37/16Y02P20/544C07C39/08
    • A process for producing an alkyl-substituted hydroquinone, wherein said process comprises reacting a hydroquinone compound represented by the general formula (1) wherein R1 and R2 independently represent a hydrogen atom or a straight or branched chain alkyl group having 1 to 10 carbon atoms, R independently represent a straight or branched chain alkyl group having 1 to 10 carbon atoms and n represents an integer of 0 to 2, with a monohydric or dihydric alcohol in the presence of a catalyst and under the condition in which said alcohol is in a supercritical state by substitution of at least one hydrogen atom on the aromatic ring in said hydroquinone compound.
    • 一种制备烷基取代氢醌的方法,其中所述方法包括使通式(1)表示的氢醌化合物,其中R1和R2独立地表示氢原子或具有1-10个碳原子的直链或支链烷基, R独立地表示碳原子数1〜10的直链或支链烷基,n表示0〜2的整数,在一种催化剂的存在下,在一元醇或二元醇中,所述醇处于超临界状态 通过在所述氢醌化合物中的芳香环上的至少一个氢原子取代来进行。