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    • 7. 发明公开
    • A method for producing furfuryl alcohols
    • Verfahren zur Herstellung von Furfurylalkoholen。
    • EP0247589A2
    • 1987-12-02
    • EP87107699.8
    • 1987-05-26
    • SUMITOMO CHEMICAL COMPANY, LIMITED
    • Tashiro, KazuoTanaka, Kunihiko
    • C07D307/42
    • C07D307/42
    • A method for producing a furfuryl alcohol useful as an intermediate for producing agricultural chemicals, medicines, perfumes, etc., represented by the general formula (I),
      wherein R 1 represents a hydrogen atom or a methyl group, and R 2 represents an allyl or propargyl group, which comprises reacting a furfural represented by the general formula (II),
      wherein R, has the same meaning as described above, with a halogen compound represented by the general formula, X-R 2 wherein X represents a halogen atom and R 2 has the same meaning as described above, in water or a water/organic solvent mixed solvent in the presence of at least one organic quaternary ammonium salt selected from the group consisting of tetra(C 2 -C 5 alkyl)ammonium halide, benzyltri(C 2 -C 3 alkyl)ammonium chloride, dodecyltrimethylammonium bromide and cetyltrimethylammonium chloride as well as an inorganic ammonium salt and zinc.
    • 用于制备用于制备由通式(1)表示的农药,药物,香料等的中间体的糠醇的方法,其中R 1表示氢原子或甲基,R 2 >表示烯丙基或炔丙基,其包括使由通式(II)表示的糠醛与其中R 1具有与上述相同的含义与通式X-R2表示的卤素化合物反应,其中X 在选自四(C 2 -C 5烷基)卤化铵的至少一种有机季铵盐存在下,在水或水/有机溶剂混合溶剂中,表示卤原子,并且R 2具有与上述相同的含义。 ,苄基三(C 2 -C 3烷基)氯化铵,十二烷基三甲基溴化铵和十六烷基三甲基氯化铵以及无机铵盐和锌。