Process for preparing unsaturated aldehyde having three to four

Details Process for preparing unsaturated aldehyde having three to four Process for preparing unsaturated aldehyde having three to four

1973-02-22

1976-02-03

Thomas, Jr., James O.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

252437, 252439, 252458, 252462, 252465, 252467, 252468, 252469, 252470, C07C 4502

Patent

active

039365050

ABSTRACT:
An unsaturated aldehyde having three to four carbon atoms is prepared by reacting the corresponding olefin with molecular oxygen in the vapor phase at a temperature of from 350.degree. to 520.degree. C in the presence of a metal oxide catalyst comprising the metallic components: (a) molybdenum; (b) at least one metal selected from the group consisting of niobium and tantalum; and (c) at least one metal selected from the group consisting of tellurium, bismuth, cobalt, tungsten, indium, and titanium.

REFERENCES:
patent: 3168572 (1965-02-01), Voge et al.
patent: 3639269 (1972-02-01), Koberstein et al.
patent: 3716496 (1973-02-01), Yoshino et al.
patent: 3778386 (1973-12-01), Takenaka et al.
patent: 3786000 (1974-01-01), Liguni et al.
patent: 3790502 (1974-02-01), Nemec et al.

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