Synthesis of the glycidol over aluminosilicate Ti-Beta catalyst

• Autorzy: Wróblewska A. , Milchert E.

Warianty tytułu

PL

Synteza glicydolu na glinowo-silikalitowym katalizatorze Ti-Beta

• Języki publikacji: EN

Abstrakty

EN

The epoxidation of allyl alcohol by a 30% hydrogen peroxide over Ti-BETA catalyst has been investigated. Two types of solvents: aprotic (acetone) and protic (methanol) were used in the studies. The optimum conditions were found for the epoxidation of allyl alcohol in the presence of acetone and methanol. The effect of the temperature (20 - 120°C), the molar ratio AA/H2O2 (1 - 10:1 mol/mol), solvent concentration (10 - 80 wt %), catalyst concentration (0.1 - 2.0 wt %) and reaction time (1 - 8 h) were studied. The optimum parameters were: temperature 20°C, the molar ratio of AA/H0 = 1, catalyst concentration 0.5 wt %, reaction time lh but the solvent concentration in the reaction mixture was different and amounted to 40 wt % for acetone and 80 wt % for methanol.

Słowa kluczowe

EN

titanium silicalite; catalyst Ti-BETA; epoxidation of allyl alcohol; glycidol; glycerol

PL

epoksydacja alkoholu allilowego; glicydol; Ti-Beta

• Wydawca: West Pomeranian University of Technology. Publishing House
• Czasopismo: Polish Journal of Chemical Technology
• Rocznik: 2001
• Tom: Vol. 3, nr 3
• Strony: 29--32
• Opis fizyczny: Bibliogr. 2 poz., tab., wykr.

Twórcy

autor

Wróblewska A.

• Institute of Organic Chemical Technology, Technical University of Szczecin, Pułaskiego 10, Pl 70-322 Szczecin, Poland

autor

Milchert E.

• Institute of Organic Chemical Technology, Technical University of Szczecin, Pułaskiego 10, PI 70-322 Szczecin, Poland

Bibliografia

• (1) Adam W., Corma A., Reddy T. I., Renz M., Diastereoselective catalytic epoxidation of chiral allylic alcohols by the TS-1 and Ti-b zeolites: evidence for a hydrogen-bonded, peroxy-type loaded complex as oxidizing species, J. Org. Chem., 1997, 62, 3631.
• (2) Camblor M. A., Corma A., Martinez A., Perez-Pariente J., Synthesis of a titanium silicoaluminate isomorphous to zeolite beta and its application as a catalyst for the selective oxidation of large organic molecules, J. Chem. Soc., 1992, 8, 589.