Method for producing an aldehyde

Details Method for producing an aldehyde Method for producing an aldehyde

1993-06-28

1994-04-26

Lone, Werren B.

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

Organic compounds

Oxygen containing

568426, 568435, 568449, C07C 4541

Patent

active

053068459

ABSTRACT:
A method for producing an aldehyde, which comprises hydrogenating a carboxylic acid or its alkyl ester with molecular hydrogen in the presence of a catalyst, wherein (1) chromium oxide of high purity having a specific surface area of at least 10 m.sup.2 /g and a total content of sodium, potassium, magnesium and calcium of not more than 0.4 wt %, is used as the catalyst, and (2) the hydrogenation reaction is conducted while maintaining the carboxylic acid or its alkyl ester at a concentration of not more than 10 vol %.

REFERENCES:
patent: 3884981 (1975-05-01), Kiff
patent: 4093661 (1978-06-01), Trecker et al.
patent: 4613700 (1986-08-01), Maki et al.
patent: 5059711 (1991-10-01), Joentgen et al.

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