Process for the preparation of para-nitroso-diphenyl-hydroxylami

Details Process for the preparation of para-nitroso-diphenyl-hydroxylami Process for the preparation of para-nitroso-diphenyl-hydroxylami

1979-08-20

1980-12-30

Doll, John

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

Organic compounds

Carboxylic acid esters

560 21, 560 45, 560 46, 560 47, 564300, C07C 7946, C07C 8524, C07C10172

Patent

active

042425239

ABSTRACT:
An improved process for the preparation of para-nitroso-diphenyl-hydroxylamines is discussed. In the improved process the dimerizing rearrangement of a nitroso benzene is performed in the presence of at least 0.5 mole of a Lewis acid per mole of nitroso compound.

REFERENCES:
patent: 3933848 (1976-01-01), Feinstein et al.
patent: 4129740 (1978-12-01), Zengel et al.
Boyer, "J. Org. Chem.", vol. 24, p. 2038 (1959).
Bamberger et al., "Berichte", vol. 31, pp. 1513-1522 (1898).

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