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- W2353777359 abstract "To obtain new fine chemical and macromolecule intermediate,the Friedel-Craft acylation of pyrene with acetic chloride catalyzed by phosphotungstic heteropoly acid(PW) to synthesize 1-acetylpyrene was investigated.The effects of various reaction conditions on the yield and selectivity of 1-acetylpyrene were studied by GC analysis.The results showed that the optimum synthesis conditions of the desired product were as follows: the solvent was 1,2-dichloroethane;the mass fraction of PW was 8%;the mole ratio of acetic chloride to pyrene was 6;the reaction temperature was 60 ℃;and the reaction time was 8 h.Under those conditions,the yield of 1-acetylpyrene is 79.2% and the selectivity towards 1-acetylpyrene is 100%.Furthermore,PW has little pollution to environment and can be reused.Pure 1-acetylpyrene was prepared by extraction and recrystallization and the structure of 1-acetylpyrene was identified by GC,GC/MS,FT IR and 1H NMR analyses." @default.
- W2353777359 created "2016-06-24" @default.
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- W2353777359 date "2012-01-01" @default.
- W2353777359 modified "2023-09-23" @default.
- W2353777359 title "Synthesis of 1-Acetylpyrene Using Phosphotungstic Heteropoly Acid Catalysts" @default.
- W2353777359 hasPublicationYear "2012" @default.
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