Preparation of unsaturated or saturated .alpha., .omega.-dialdeh

Organic compounds -- part of the class 532-570 series – Organic compounds – Carboxylic acids and salts thereof

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Other Related Categories

562595, 568469, 568483, C07C 4540, C07C 4559, C07C 5134

Type

Patent

Status

active

Patent number

046136940

Description

ABSTRACT:
Process for the concurrent preparation of olefinically unsaturated or satted .alpha.,.omega.-dialdehydes and .alpha.,.omega.-diacids, characterized by the fact that the monoozonide of a a mono- or polyunsaturated cycloolefine in solution in a polar solvent, is treated with water and subsequently with an alkaline aqueous solution at room pressure and at a temperature from -5.degree. C. to 70.degree. C., maintaining during the addition of the alkali, a pH not higher than 12, the dialdehyde and the diacid being subsequently isolated by known, conventional methods.

REFERENCES:
patent: 2819279 (1958-01-01), Brown et al.
patent: 2865937 (1958-12-01), Maggiolo
patent: 3091620 (1963-05-01), Sturrock et al.
patent: 3979450 (1976-09-01), Moskovich et al.

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