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- W2382977079 abstract "several kinds of intermediates:1-hydroxymethyl benzotriazole,1-chloromethyl benzotriazole and 1,4-dibromo butane phosphonium salts are synthesized.Their structure is characterized by their melting point and infrared spectrometry.Then 1-benzotriazolyl methyl phosphonium salts,biquaternary phosphonium salts and omega-benzotriazolyl butyl phosphonium salts are synthesized too.Without organic solvent,cyclohexanol,benzyl alcohol and cyclohexene are oxidized into cyclohexanone,benzaldehyde(or benzoic acid) and adipic acids separately using the hydrogen peroxide solution of 30% under three catalysis systems composed of sodium tungstate and quaternary phosphonium salts.It is shown that the maximum yields of adipic acids,benzoic acid,benzaldehyde and cyclohexanone are 32.4%,28.96%,62.3%,and 62.45% respectively.The catalysis performance of the three catalysts in the three catalysis systems are studied,and it is shown that 1-benzotriazolyl methyl phosphonium salts have the best catalysis result to the oxidation of cyclohexanol and cyclohexene,and omega-benzotriazolyl butyl phosphonium salts have the best catalysis result to the oxidation of benzyl alcohol.It is also shown that benzyl alcohol can be oxidized into benzaldehyde or benzoic acid according to different kind of catalysts,different catalysis systems and different dosage of hydrogen peroxide,and the oxidization of cyclohexene varies a lot with the dosage of the catalysts and hydrogen peroxide and experimental conditions." @default.
- W2382977079 created "2016-06-24" @default.
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- W2382977079 date "2008-01-01" @default.
- W2382977079 modified "2023-09-28" @default.
- W2382977079 title "Oxidation of alcohol and olefins using hydrogen peroxide solution as oxidant under the catalysis of quaternary phosphonium and sodium tungstate" @default.
- W2382977079 hasPublicationYear "2008" @default.
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