| abstract |
R 1 , R 2 et R 3 désignent hydrogène, alkyle, carboxyle, alcoxycarbonyle,nmonohydroxyalkyle, polyhydroxyalkyle, alcoxyalkyle, monoalkylaminoalkyle oundialkylaminoalkyle ; R' 3 et R 4 désignent alkyle, carboxyle, alcoxycarbonyle, monohydroxyalkyle,npolyhydroxyalkyle, alcoxyalkyle, monoalkylaminoalkyle ou dialkylaminoalkyle ; R 5 désigne hydrogène, alkyle, monohydroxyalkyle, polyhydroxyalkyle, alcoxyalkyle,nmonoalkylaminoalkyle ou dialkylaminoalkyle ; net leurs sels d'addition avec un acide, ainsi que leurs utilisations pour la teinture desnfibres kératiniques.The subject of the invention is new derivatives of 2-imino-2,3-dihydro-1H-indoles of formula (I) or (II) below: in which : R 1 , R 2 and R 3 denote hydrogen, alkyl, carboxyl, alkoxycarbonyl, monohydroxyalkyle, polyhydroxyalkyle, alkoxyalkyle, monoalkylaminoalkyle or dialkylaminoalkyle; R ' 3 and R 4 denote alkyl, carboxyl, alkoxycarbonyl, monohydroxyalkyl, polyhydroxyalkyl, alkoxyalkyl, monoalkylaminoalkyl or dialkylaminoalkyl; R 5 denotes hydrogen, alkyl, monohydroxyalkyle, polyhydroxyalkyle, alkoxyalkyle, monoalkylaminoalkyle or dialkylaminoalkyle; and their addition salts with an acid, as well as their uses for dyeing keratin fibers. |