5-aryl-1,3,3-trimethyl-2-methylene-indoline derivatives and...

Details 5-aryl-1,3,3-trimethyl-2-methylene-indoline derivatives and... 5-aryl-1,3,3-trimethyl-2-methylene-indoline derivatives and...

2006-06-06

2006-06-06

Elhilo, Eisa (Department: 1751)

Bleaching and dyeing; fluid treatment and chemical modification

Dyeing involving animal-derived natural fiber material ,...

Hair dyeing

C008S426000, C008S587000, C008S607000, C008S608000, C008S917000, C008S918000, C548S312100

Reexamination Certificate

active

07056348

ABSTRACT:
A method for the synthesis of 5-aryl-1,3,3,-trimethyl-2-methylene-indoline derivatives of Formula (I) or its salts of Formula (Ia)wherein 1 mole of a 5-aryl-2,3,3-trimethyl-3H-indole derivative of Formula (VII) is reacted for 1 to 44 hours at a temperature of 20° to 180° C. in an apolar, aprotic or polar, protic or polar aprotic solvent with 1 to 50 moles of a compound of Formula R1-A; new compounds of Formulas (I)/(Ia) and (V), obtainable by this methodas well as an agent containing at least one compound of Formula (I)/(Ia) and a carbonyl/imine compound for dyeing keratinic fibers and a method for temporarily dyeing keratin fibers, for which the keratin fiber is dyed with the aforementioned agent and the dyeing, so obtained, is removed again at any later time by a sulfite preparation.

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