Thiol dyes

1 11214112212510510510110a2 153 a1a2a32 3 45 6 15b9778778 9112612612112Disclosed are thiol dyes of formula (1), wherein Ris hydrogen; C-Calkyl; or phenyl-C-Calkyl; X is C-Calkylene; C-Calkenylene; C-Ccycloalkylene; C-Carylene; or C-Carylene-C-Calkylene; Y is the residue of an organic dye which corre...

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Bibliographic Details
Main Authors Eliu, Victor Paul, Fröhling, Beate, Bührer, Achim
Format Patent
LanguageEnglish
Published 21.07.2009
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Summary:1 11214112212510510510110a2 153 a1a2a32 3 45 6 15b9778778 9112612612112Disclosed are thiol dyes of formula (1), wherein Ris hydrogen; C-Calkyl; or phenyl-C-Calkyl; X is C-Calkylene; C-Calkenylene; C-Ccycloalkylene; C-Carylene; or C-Carylene-C-Calkylene; Y is the residue of an organic dye which corresponds to the formula (1), wherein Ris hydrogen; or C-Calkyl; Ris a radical of formula (1): (1); or (1); or Rand Rtogether with the linking carbon atom C form a 6 to 10 membered carbocyclic ring which may optionally be a condensated aromatic system and may contain one or more than one hetero atom; and R, Rand Rindependently form each other are hydrogen, or C-Calkyl; Z is H; or a thio ester group of formula (1), wherein A is O; S; or N-R9; B is -OR7; -NR7R8, or -SR7; and A is O; S; or N-R; B is -OR; -NRR, or -SR; and R, Rand R, independently from each other are hydrogen; C-Calkyl C-Caryl; or C-Caryl-C-Calkyl. The compounds are useful for the dyeing of organic materials, such as keratin fibers, preferably human hair.