Compositions for dyeing keratinous fibres containing 3-amino pyrazolo-(1,5-A)-pyridines, dyeing method, novel 3-amino pyrazolo-(1,5-A)-pyridines

摘要

The invention concerns novel oxidative compositions for dyeing keratinous fibres comprising at least a 3-amino-pyrazolo-[1,5-a]-pyridine of Formula (I), the dyeing method using said composition, novel 3-amino pyrazolo-[1,5-a]-pyridines, and the method for preparing them.