Organic compounds -- part of the class 532-570 series – Organic compounds – Oxygen containing
Patent
1988-08-12
1990-03-20
Moyer, Donald B.
Organic compounds -- part of the class 532-570 series
Organic compounds
Oxygen containing
C07C 7936
Patent
active
049103458
ABSTRACT:
Crude nitrobenzaldehyde can be substantially purified from the undesired positional isomers if a treatment with 100-10,000% by weight of water and 1-30% by weight of an emulsifier, all with reference to the dry weight of the crude nitrobenzaldehyde, is undertaken at a temperature of 30.degree.-140.degree. C. and at a pH of 3-14.
REFERENCES:
Sugihara et al., J. Org. Chem. "Recrystallization of Organic Compounds from Detergent-Water Systems" pp. 1445-1447, 1956.
Hawley, Gessner, "The Condensed Chemical Dictionary" 1983 10th ed. pp. 314-315, 408-409, 929-930 and 986, Chem. Abs., vol. 101, 132169a, 1984, Mou, Yujain.
Blank Heinz U.
Streicher Willi
Bayer Aktiengesellschaft
Moyer Donald B.
Plue Karen E.
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