Process for preparing (4-nitro-sophenyl)phenylhydroxylamine

Details Process for preparing (4-nitro-sophenyl)phenylhydroxylamine Process for preparing (4-nitro-sophenyl)phenylhydroxylamine

2000-05-08

2000-12-26

Barts, Samuel

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

Organic compounds

Amino nitrogen containing

C07C23900

Patent

active

061662569

ABSTRACT:
The present invention provides a process for preparing (4-nitroso-phenyl)phenyl-hydroxylamine which is characterized in that nitrobenzene is reacted in the presence of hydroxide and/or oxide-containing bases, optionally in the presence of solvents, at temperatures of 20 to 180.degree. C. and pressures of 0.1 to 10 bar.
The process according to the invention has the particular advantage that it uses inexpensive and cost-effective nitrobenzene as starting material instead of the nitrosobenzene conventionally used hitherto.

REFERENCES:
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patent: 4242523 (1980-12-01), Battey et al.
Chem. Ber. 31, Bamberger et al, (month unavailable) 1898, pp. 1513-1523, Das Verhalten Der Nitrosoalphyle gegen conc. Schwefelsaure.
J. Org. Chem. vol. 24, J. Boyer, (month unavailable) 1959, p. 2038, Oxidation of Nitroso-Aromatic Compounds with Peroxytrifluoroacetic Acid.
Z. Chem., 15, (month unavailable) 1975, Z. Wiechert, pp. 21-22, Das Verhalten aromatischer Nitrosoverbindungen in wasserfreiem flussigem Fluorwasserstoff.
Liebigs Ann. Chem., (month unavailable) 1981, pp. 1271-1284, Aurich et al, Einfluss der Solvatisierung bei Umsetzungen von Nitrosobenzol mit Kalium-tert-butylat und anderen Basen.
J. Chem. Soc. (B) (month unavailable) 1968, J. Hutton et al, pp. 191-195, The Mechanism of Reduction of Nitrosobenzene by Alcohols.
Petroleum Chemistry, vol. 37, No. 5, (month unavailable) 1997, L.B. Kochetova et al, pp. 414-421, Mechanism of the Hydrogenation of Nitrobenzene: The Quantum-Chemical Approach.

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