Process for the manufacture of methyl glyoxal

Details Process for the manufacture of methyl glyoxal Process for the manufacture of methyl glyoxal

1981-03-26

1982-10-19

Lone, Werren B.

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

Organic compounds

Oxygen containing

568470, 568473, 568474, C07C 4529, C07C 4532

Patent

active

043551874

ABSTRACT:
Methyl glyoxal is prepared by oxidation of propylene glycol-1,2 in the gaseous phase on a heterogeneous catalyst. The process is carried out with an excess of oxygen and the catalyst used contains molybdenum and at least one of the metals: vanadium, silver, copper, iron, tungsten, tin, zinc, alkali metals, alkaline earth metals.

REFERENCES:
patent: 2051266 (1936-08-01), McAllister et al.
patent: 2339282 (1944-01-01), McMamee
patent: 2339346 (1944-01-01), McMamee et al.
patent: 2339348 (1944-01-01), McMamee
patent: 2849493 (1958-08-01), Shelton et al.
patent: 4242282 (1980-12-01), Diem et al.
Houben-Weyl, "Methoden oder organishen Chemie", vol. V11/12, pp. 771 et seq., V11/2, p. 708, vol. V111/1, p. 235, (1943).
Sander et al., "Ind. Eng. Chem.", vol. 46, pp. 414-426, (1954).

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