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

1975-06-25

1977-05-24

Thomas, Jr., James O.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

C07C 4502, C07C 4720

Patent

active

040255654

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; (c) tellurium; and (d) at least one metal selected from the group consisting of alkali metals, copper, arsenic, antimony, iron and nickel.

REFERENCES:
patent: 3546139 (1970-12-01), Young
patent: 3789063 (1974-01-01), Lane

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