2,4-Dihydroxy-4'-(substituted amino)-diphenylamines

Details 2,4-Dihydroxy-4'-(substituted amino)-diphenylamines 2,4-Dihydroxy-4'-(substituted amino)-diphenylamines

1979-04-04

1981-04-21

Jiles, Henry R.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

8404, 8405, 8406, 546232, 564434, 8 10, 8 101, 8 102, 8 11, 544166, C07D30714, C07C 8762

Patent

active

042632137

ABSTRACT:
New compounds suitable for dyeing keratin fibres, especially human hair, are described. The compounds have the formula: ##STR1## or an acid addition salt thereof, in which formula either R.sub.1 and R.sub.2 form, together with the nitrogen atom to which they are bonded, a morpholino or piperidino ring and R represents a hydrogen atom, or R.sub.1 represents a hydrogen atom, R.sub.2 represents a furfuryl or methoxyethyl radical and R represents a hydrogen atom or a methyl radical.

REFERENCES:
patent: 3892749 (1975-07-01), Kalopissis et al.
patent: 3929404 (1975-12-01), Kalopissis et al.
patent: 3984443 (1976-10-01), Kalopissis et al.
patent: 4008999 (1977-02-01), Kalopissis et al.
Chemical Abstracts, Seventh Collective Index, 1970, p. 17004 S.
Chemical Abstracts, 40: 26378 (1946), [USP 2,391,886].

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