•  
     
     
     
     
     
     
      4-Aminobenzoic Acid(USP/BP)
      Benzocaine(USP/BP/EP)
      3-Aminobenzoic Acid
      4-Trifluoromethyl Salicylic Acid
      Ethyl 4-dimethylaminobenzoate
       
       
    ?? ?????? ????? ?? ??? ?? ???? ????? ??? ? ?? ?? ???? ?? ??? ??? ?? ????? ?? ??? ??? ????. ??? ???? ???? ??? ??? ????? ?? ? ?? ??,”?? ??? ?? ? ?, ??? ???? ??? ?? ??? ??”?? ?? ?? ??? ???? ???? ? ???? ???, ?????? ???? ????? ? ??? ?????. “????? ??? ??? ?? ?? ??? ???? ???, ????? ?? ???? ???”? ??? ?? ?? ?????? ??????.

    ????:
    1. ?? ??? 27?? ?? ? ??? ?? ? ?????? ??? ?? ???? ? ??? ?? ??? ?? ??????? ?? ???? ???? ???? ?????. ??? ?? ? ?? ????? ?? ?????? ??? ???? ???? ?????? ??? ? ? ?? ??? ????? ??? ?? ??? ? ????.
    2.??? ?? ???? ??? ?? ? ??? ??? ?? ???? ??? ????? ??? ????.??? ??,????? ???? ? ??? ??? ??? ???? ??? ?? ????.
    3.??? ??? ???? ??? ??? ???? ???? ?? ??? ????.?? ??? ?? ?? ??? ??? ?? ??? ???? ??? ?? ??? ??? ???? ??? ???? ??? ?? ? ??? ??? ??? ? ?????. ??? ???? ??? ???? ????? ??? ?? ??? ?? ???? ??? ?? ?? ?????? ??? ??? ??? ?? ????? ???? ?? ?? ????.
    4.?? ??? ?????? ?? ???? ?????.???? ??? ??? ?? ???? ??? ???? ?? ????? ???? 6%? ?????.

    ??? ??
    1. Catalytic Hydrogenation (?? ?????)
    2. Cryogenic temperature Reaction (≤-78℃) (??? ??)
    3. Debenzylation by Hydrogenation (?????? ??????)
    4.Aromatic ring or Heterocycle Hydrogenation (??? ?? ?????? ?????)
    5. Dilute HNO3 oxidation (???? ????)
    6. Friendel-Craft Alkylation/Acylation (???-???? ???/?????)
    7. Grignard Reaction (???? ??)
    8. Claisen Condensation (???? ????)
    9. Synthesis of heterocycle (Indole) [?????? ?? (??)]
    10. High pressure Reaction (Ammonation etc.)(????)(???? ?)
    11. Acyl-Chlorination with phosgene (?????? ??-?????)
    12. Reductive Alkylation (??? ????)
    13. Electronic-grade monomer fined technology

    ??? ????? ?? ???? ??? ??? ?? ??? ??? ????. ?? ??? ?? ??? ??? ??? ???? ?? ?? ???? ??? ?? ?????? ??? ??? ??? ?????.

    ????:
    1. Reduced-pressure distillation (??????)
    2. High performance rectification (??????)
    3. Low temperature Crystallization (??????)
    4. Sublimating Purification (??????)

    ?????
    1. ????? : 100ml(2?), 500ml(2?), 1000ml(2?), 2000ml (2?)
        ????? ???? : 12Mpa
    2. ?????? : 50L(1?), 100L(2?), 500L(2?)、1000L(3?)
        ?????? ???? : 10Mpa
    3. ???? 1000L、2000L、4000L、6000L
        ???? ???? : 6Mpa

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