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Abstrakty
The epoxidation of methallyl alcohol (MAA) to 2-methylglycidol was carried out with 30 wt% hydrogen peroxide in an autoclave. The titanium silicalite catalyst Ti-Beta was used as a catalyst and methanol as a solvent. The effect of temperature (20- 120°C), the molar ratio MAA/H2O2 (1:1 - 5:1), methanol concentration (5 - 80 wt%), Ti-Beta concentration (0.1 - 2.0 wt%) and reaction time (0.5 - 5.0h) were studied. The optimum parameters were: temperature 100"C, the molar ratio MAA/H2O2 = 1:1, methanol concentration 5 wt%, Ti-Beta concentration 0.1 wt% and reaction time 0.5h.
Słowa kluczowe
Czasopismo
Rocznik
Tom
Strony
73--75
Opis fizyczny
Bibliogr. 6 poz., rys., tab.
Twórcy
autor
autor
- Institute of Organic Chemical Technology, Szczecin University of Technology, ul. Pułaskiego 10, 70-322 Szczecin, Agnieszka.Wroblewska@ps.pl
Bibliografia
- (1) Avenoza A., Cativiela C, Peregrina J. M., Sucunza D., Zurbano M. M.: An alternative approach to (S)- and (R)- 2-methylglycidol O-benzyl ether derivatives, Tetrahedron: Asymmetr., 2001, 12, 1383.
- (2) Shao H., Zhu Q., Goodman M.: A new asymmetric synthesis of alpha-methylcysteines via chiral aziridines, J. Org. Chem., 1995, 60, 790.
- (3) Hatakeyama S., Fukuyama H., Makugi Y., Irie H.: Total Synthesis of ( + )-Conagenin, Tetrahedron Lett., 1996, 37(23), 4047.
- (4) Lakner F. J., Hager L. P.: Chloroperoxidase-mediated asymmetric epoxidation. Synthesis of (R)-dimethyl 2-methylaziridine-l,2-dicarboxylate - a potential alpha-methylamino acid synthon, Tetrahedron: Asymmetr., 1997, 8, 3547.
- (5) Camblor M. A., Corma A., Martinez A., Perez-Pariente J.: Synthesis of a titaniumsilicoaluminate isomorphous to zeolite beta and its application as a catalyst for the selective oxidation of large organic molecules, J. Chem. Soc, 1992, 8, 589.
- (6) Brill W. F.: The origin of epoxides in the liquid phase oxidation of olefins with molecular oxygen, J. Am. Chem. Soc, 1963, 85, 141.
Typ dokumentu
Bibliografia
Identyfikator YADDA
bwmeta1.element.baztech-article-BPS2-0039-0019