Catalytic Transfer Hydrogenation of Cycloalkanones on MgO. Vapour and Liquid Phase Modes of Reaction

• Autorzy: Gliński M.
• Języki publikacji: EN

Abstrakty

EN

The reactivity of a series of cycloalkanones of the general formula (CH2)nCO, where n = 4, 5, 6, 7, 11 and 14 in the transfer hydrogenation reaction over magnesium oxide as the catalyst, either in vapour or liquid phase (VP or LP) has been studied. In the VP mode of reaction the activity of MgO treated with triethylamine, water, phenol or benzoic acid in the reduction of cyclopentanone by propan-2-ol has been determined. A strongly diminished or residual activity of MgO has been observed after the catalyst's treatment with phenol or benzoic acid, respectively. The occurence of side reactions of cyclopentanone in the LP mode of reaction resulted in high conversions of the ketone (up to 91%), very low yields of cyclopentanol (I) (be low 6%) and very high yields of 2-cyclo pentylidene-cyclopentanone (II) (greater than 80%).

Słowa kluczowe

EN

transfer hydrogenation; cycloalkanones; magnesium oxide; aldol condensation

• Wydawca: Polskie Towarzystwo Chemiczne
• Czasopismo: Polish Journal of Chemistry
• Rocznik: 2009
• Tom: Vol. 83, nr 2
• Strony: 187--194
• Opis fizyczny: Bibliogr. 26 poz., rys.

Twórcy

autor

Gliński M.

• Warsaw University of Technology, Faculty of Chemistry, Noakowskiego 3, 00-664 Warsaw, Poland phone [phone], fax [phone],

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