Process for the production of malonic acid or a salt thereof

Details Process for the production of malonic acid or a salt thereof Process for the production of malonic acid or a salt thereof

1997-07-21

1998-10-06

Killos, Paul J.

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

Organic compounds

Carboxylic acids and salts thereof

562590, C07C 51235, C07C 5508

Patent

active

058178708

ABSTRACT:
Malonic acid or a salt of the same is obtained at high yield according to the invention through the catalytic oxidation with oxygen or an O.sub.2 -containing gas of 3-hydroxy propionaldehyde or 3-hydroxy propionic acid in the aqueous phase. The conversion takes place in the presence of at least 10 percent by weight, relative to the C.sub.3 building block used, of a precious metal from the platinum group. Pd and Pt supported catalysts are preferred.

REFERENCES:
patent: 2006314 (1935-06-01), Halbig et al.
patent: 4959494 (1990-09-01), Felthouse

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