Process for preparing tertiary amine-N-oxide

Details Process for preparing tertiary amine-N-oxide Process for preparing tertiary amine-N-oxide

1996-01-19

1997-09-16

Sham, Mukund J.

Organic compounds -- part of the class 532-570 series

Organic compounds

Nitrogen attached directly or indirectly to the purine ring...

546347, 564297, 564298, C07D24100

Patent

active

056682816

ABSTRACT:
A process for preparing a tertiary amine-N-oxide which comprises reacting a tertiary amine with a peroxide in the presence of a catalyst comprising an oxide containing silicon and titanium atoms. According to the process of the present invention, a tertiary amine-N-oxide can be obtained in a high yield, and since the catalyst can easily be separated from the reaction mixture, the tertiary amine-N-oxide can be obtained in a high purity without the contamination by the catalyst.

REFERENCES:
patent: 3657251 (1972-04-01), Smetana
patent: 5082641 (1992-01-01), Popa et al.
C.F. Koelsch et al. Some Diazine-N-Oxides--(School of Chemistry, University of Minnesota) vol. 23, pp. 1603-1606--Nov. 1958.
Yoshiro Kobayashi et al. Studies on the Reaction of Heterocyclic Compounds. XII..sup.1) N-Oxidation of Diazabenzene and Diazanaphthalene.sup.2) -- (Chem. Pharm. Bull.) vol. 22, No. 9, pp. 2097-2100--Feb. 1974).
Selective oxidation reactions over metallosilicate molecular sieves: a comparison of titanium and vanadium silicates with MEL structure. Ramaswamy et al. Microporous Materials--vol. 2, pp. 451-458, 1994.

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