[EN] 1-HEXYL-1H-PYRAZOLE-4,5-DIAMINE HEMISULFATE, AND ITS USE IN DYEING COMPOSITIONS [FR] HÉMISULFATE DE 1-HEXYL-1H-PYRAZOLE-4,5-DIAMINE ET SON UTILISATION DANS DES COMPOSITIONS DE COLORATION
Telescoping Synthesis of 5-Amino-4-Nitroso-1-Alkyl-1H-Pyrazole Salt
申请人:The Procter & Gamble Company
公开号:US20130217891A1
公开(公告)日:2013-08-22
A telescoping synthesis of 5-amino-4-nitroso-1-alkyl-1H-pyrazole salt derivatives of formula (I), the compound (I) itself, and its use as an intermediate in the fabrication of 1-alkyl-4,5-diaminopyrazole salts of general formula (IX). The compounds of formula (IX) can be used as precursor dyes in oxidative hair dye compositions.
R is a mono- or poly-substituted or unsubstituted, straight or branched, saturated or mono- or poly-unsaturated, alkyl group. HZ and HZ′ are organic or mineral acids.
[EN] TELESCOPING SYNTHESIS OF 5-AMINO-4-NITROSO-1-ALKYL-1H-PYRAZOLE SALTS<br/>[FR] SYNTHÈSE MONOTOPE DE SELS DE 5-AMINO-4-NITROSO-1-ALKYL-1H-PYRAZOLE
申请人:PROCTER & GAMBLE
公开号:WO2013122989A1
公开(公告)日:2013-08-22
A telescoping synthesis of 5-amino-4-nitroso-1-alkyl-1H-pyrazole salt derivatives of formula (I), the compound (I) itself, and its use as an intermediate in the fabrication of 1-alkyl-4,5-diaminopyrazole salts of general formula (IX). The compounds of formula (IX) can be used as precursor dyes in oxidative hair dye compositions. R is a mono- or poly- substituted or unsubstituted, straight or branched, saturated or mono-or poly- unsaturated, alkyl group. HZ and HZ' are organic or mineral acids.
1-Hexyl-1H-pyrazole-4,5-diamine hemisulfate, and its use in dyeing compositions
申请人:The Procter & Gamble Company
公开号:EP2628731A1
公开(公告)日:2013-08-21
1-hexyl-1H-pyrazole-4,5-diamine hemisulfate, as represented in formula (IX-a), and its use in oxidative dyeing composition. This pyrazole salt was found to combine good stability as raw material and good shade intensity with a range of common couplers when formulated in hair dyeing composition.
Telescoping synthesis of 5-amino-4-nitroso-1-alkyl-1H-pyrazole salts
申请人:The Procter & Gamble Company
公开号:EP2628730A1
公开(公告)日:2013-08-21
A telescoping synthesis of 5-amino-4-nitroso-1-alkyl-1H-pyrazole salt derivatives of formula (I), the compound (I) itself, and its use as an intermediate in the fabrication of 1-alkyl-4,5-diaminopyrazole salts of general formula (IX). The compounds of formula (IX) can be used as precursor dyes in oxidative hair dye compositions.
R is a mono- or poly- substituted or unsubstituted, straight or branched, saturated or mono-or poly- unsaturated, alkyl group. HZ and HZ' are organic or mineral acids.
式(I)的 5-氨基-4-亚硝基-1-烷基-1H-吡唑盐衍生物的伸缩合成法、化合物(I)本身及其在制造通式(IX)的 1-烷基-4,5-二氨基吡唑盐时作为中间体的用途。式(IX)化合物可用作氧化染发组合物中的前体染料。
R 是单个或多个取代或未取代的、直链或支链、饱和或单个或多个不饱和烷基。HZ 和 HZ' 是有机酸或矿物酸。
TELESCOPING SYNTHESIS OF 5-AMINO-4-NITROSO-1-ALKYL-1H-PYRAZOLE SALTS