2-nitroaniline derivatives

Details 2-nitroaniline derivatives 2-nitroaniline derivatives

1987-12-10

1989-05-30

Raymond, Richard L.

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

Organic compounds

Amino nitrogen containing

8414, C07C 9140

Patent

active

048353140

ABSTRACT:
2-nitroaniline derivatives of the general formula I: ##STR1## in which R.sup.1 and R.sup.2 represent, independent of one another, hydrogen, an alkyl of 1 to 4 carbon atoms, a monohydroxyalkyl of 2 to 4 carbon atoms or a dihydroxyalkyl of 3 or 4 carbon atoms, provided that R.sup.1 and R.sup.2 do not simultaneously represent alkyl groups of 1 to 4 carbon atoms, and X denotes an alkyl, monohydroxyalkyl, perfluoroalkyl or halogen, for use as an agent in a hair dyeing composition. Also disclosed are new 2-nitroaniline derivatives of the general formula II: ##STR2## in which R.sup.a and R.sup.b denote, independent of one another, ethyl, a monohydroxylalkyl of 2 to 4 carbon atoms or a dihydroxyalkyl of 3 or 4 carbon atoms, when Z is methyl, Cl or Br; or when Z is CH.sub.2 OH or a perfluoroalkyl, R.sup.a denotes hydrogen, a monohydroxyalkyl of 2 to 4 carbon atoms or a dihydroxyalkyl of 3 or 4 carbon atoms, and R.sup.b represents 2-hydroxyethyl or 2,3-dihydroxypropyl.

REFERENCES:
patent: 3591638 (1971-07-01), Halasz
patent: 3642423 (1972-02-01), Bil et al.
patent: 4377578 (1983-03-01), Vandenberk et al.
Leoppky, R. N. et al., Journal of Organic Chemistry, vol. 48, pp. 2751-2757 (1983).
Medici, A. J. A. et al., Journal of the Chemical Society, Perkin Trans. I, vol. 21, pp. 2517-2520 (1977).

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