Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: Disclosed is a method of making 2-methoxymethyl-1,4-benzenediamine that includes hydrogenating 1-benzylamino-2-(methoxymethyl)-4-nitrobenzene in the presence of a hydrogenation catalyst.

Abstract: Disclosed is a method of making 2-methoxymethyl-1,4-benzenediamine that includes hydrogenating 1-benzylamino-2-(methoxymethyl)-4-nitrobenzene in the presence of a hydrogenation catalyst.

Abstract: N-Aryl-4,5-diaminopyrazole of formula (I) or a physiologically compatible salt thereof of an organic or inorganic acid wherein R1 and R2 independently of each other denote a hydrogen atom, a straight-chain or branched C1–C6-alkyl group, a hydroxyl group, a straight-chain or branched C1–C6-monohydroxyalkyl group, a straight-chain or branched C3–C6-dihydroxyalkyl group, a straight-chain or branched C1–C6-alkoxy group, a straight-chain or branched C1–C6-hydroxyalkoxy group, a straight-chain or branched C3–C6-dihydroxyalkoxy group, an amino group, a C1–C4-monoalkylamino group, a di(C1–C4)-alkylamino group, a halogen atom, a difluoromethyl group or a trifluoromethyl group; Y stands for a nitrogen atom or a C-R3 group, wherein C is a carbon atom of the aromatic ring and R3 is a hydrogen atom, a halogen atom, a straight-chain or branched C1–C6-alkyl group, a straight-chain or branched C1–C6-hydroxyalkyl group, a straight-chain or branched C1–C6-alkoxy group, a straight-chain or branched C2-C6-hydroxyalkoxy grou

Abstract: N-Aryl-4,5-diaminopyrazole of formula (I) or a physiologically compatible salt thereof of an organic or inorganic acid wherein R1 and R2 independently of each other denote a hydrogen atom, a straight-chain or branched C1-C6-alkyl group, a hydroxyl group, a straight-chain or branched C1-C6-monohydroxyalkyl group, a straight-chain or branched C3-C6-dihydroxyalkyl group, a straight-chain or branched C1-C6-alkoxy group, a straight-chain or branched C1-C6-hydroxyalkoxy group, a straight-chain or branched C3-C6-dihydroxyalkoxy group, an amino group, a C1-C4-monoalkylamino group, a di(C1-C4)-alkylamino group, a halogen atom, a difluoromethyl group or a trifluoromethyl group; Y stands for a nitrogen atom or a C—R3 group, wherein C is a carbon atom of the aromatic ring and R3 is a hydrogen atom, a halogen atom, a straight-chain or branched C1-C6-alkyl group, a straight-chain or branched C1-C6-hydroxyalkyl group, a straight-chain or branched C1-C6-alkoxy group, a straight-chain or branched C2-C6-hydroxyalkoxy gr

Abstract: The new bis-pyrazole aza compounds have the formula (I): ##STR1## wherein R.sub.1, R.sub.1 ', R.sub.2, R.sub.2 ', R.sub.3 and R.sub.3 ' are the same or different, and are each, independently of each other, H, a straight, branched or cyclic alkyl group having 1 to 6 carbon atoms, a straight chain or branched monohydroxyalkyl group or polyhydroxyalkyl group with 1 to 6 carbon atoms, a straight or branched alkoxyalkyl group with 2 to 6 carbon atoms, a straight or branched monoaminoalkyl group or polyaminoalkyl group with 2 to 6 carbon atoms, or an unsubstituted aromatic or heteroaromatic ring, or a substituted aromatic or heteroaromatic ring having one or more halogen, a C.sub.1 - to C.sub.4 -alkyl group, a nitro group, a sulfonic acid group, a carboxylic acid group or a C.sub.1 - to C.sub.4 -alkoxy substituent, or an unsubstituted benzyl group, or a benzyl group substituted with one or more halogen atom, a hydroxy group, a C.sub.1 - to C.sub.4 - alkyl group, a nitro group or a C.sub.1 - to C.sub.

Abstract: The skin and hair treatment composition includes 0.5 to 2 percent by weight apple wax, 0.1 to 30 percent by weight of at least one anionic, cationic, amphoteric and/or nonionic surfactant, a solvent consisting of water, ethanol, propanol, isopropanol, glycols or mixtures thereof and one or more cosmetic additives selected from the group consisting of perfume oils; opacifiers; pearlescing agents; bacterial and fungicidal ingredients; coconut fatty acid diethanolamide; buffer substances; coloring materials; solubilizers; light stabilizers; antioxidants; complexing agents and antidandruff active ingredients. Methods for obtaining the apple wax used in these compositions include extraction of depectinized apple pomace with a variety of solvents and purification and evaporation of the extract to obtain an apple wax product.

Abstract: The instant invention concerns a novel process for the preparation of 1-aminomethyl-1-cyclohexaneacetic acid (gabapentin), a known compound useful for treating certain cerebral diseases such as epilepsy and dizziness.

Abstract: A new catalytic process for the isomerization of asocainol isomers at the 6-position which provides an inexpensive, rapid, and simple method for large scale production of the (R,R) isomer of (R,S) asocainol is asocainol. The (R,R) isomer of (R,S) asocainol is treated with small amounts of a salt and an oxidizing agent at an elevated temperature. The compounds and their pharmaceutically acceptable salts are useful as potent antiarrhythmic agents and local anesthetics.

Abstract: The present invention provides a process for the preparation of 4-hydroxy-3-(heterocyclocarbamoyl)-2H-1,2-benzothiazine-1,1-dioxides of the general formula: ##STR1## wherein R.sub.1 is a hydrogen atom or a methyl radical, R.sub.2 is a nitrogen-containing heterocyclic radical and R.sub.3 is a hydrogen or halogen atom or a methyl radical, and of the alkali metal, alkaline earth metal and amine salts thereof, by the reaction of an amine-substituted, nitrogen-containing heterocyclic compound with a halo-acetyl halide, reaction of the intermediate thus obtained with sodium benzoic acid sulphimide, ring expansion of the benzoisothiazole ring to give a benzothiazine ring and, in case R.sub.