Abstract:
La présente invention concerne un procédé de préparation d'un composé sulfonimide de formule (Rf 1 -SO 2 )(Rf 2 -SO 2 )NH aqueux, Rf 1 et Rf 2 étant indépendamment l'un de l'autre choisi dans le groupe constitué de : l'atome de fiuor et des groupes ayant de 1 à 10 atomes de carbone étant choisis parmi les groupes perfluoroalkyles, fluoroalkyles, fluoroalkényies et fluoroallyles, à partir d'un mélange M1 comprenant (Rf 1 -SO 2 )(Rf 2 - SO 2 )NH, Rf 1 SO 2 H et/ou Rf 2 SO 2 H, Rf 1 SO 2 NH 2 et/ou Rf 2 SO 2 NH 2 , et caractérisé en ce qu'il comprend une étape d'oxydation dudît mélange M1 par un agent oxydant, pour obtenir un mélange M2 comprenant (Rf 1 -SO 2 )(Rf 2 -SO 2 )NH, Rf 1 SO 3 H et/ou Rf 2 SO 3 H, et Rf 1 SO 2 NH 2 et/ou Rf 2 SO 2 NH 2 .
Abstract:
A process for the preparation of N-isobutyl-N-(2-hydroxy-3-amino-4-phenylbutyl)-p-nitrobenzenesulfonylamide derivatives (I) in which a 1-benzyl-2-hydroxy-3-isobutylamine derivative (II) is reacted with a p-nitrophenylsulfonyl halide (III) in a solvent comprising a secondary or tertiary alcohol.
Abstract:
Processes for the preparation of trifluoroalkyl substituted N-(2-hydroxyalkyl) heteroarene- and benzenesulphonamide derivatives of formula (I) or formula (II) (wherein the variables are as defined in the claims) are provided which comprises reacting a trifluoroalkyl substituted amino alcohol, a sulphonyl chloride and a base/solvent system selected from the group consisting of (a) 4-methylmorpholine/isopropyl acetate, (b) Hünig's base/tetrahydrofuran, (c) 4-methylmorpholine/acetonitrile, (d) 4-methylmorpholine/propionitrile and (e) 4-methylmorpholin/ftoluene . Formulae (I) and (II).
Abstract:
The invention relates to methods for producing sulfonamides of formula I, wherein the variables have the designations cited in the description, by reacting m-nitro-benzoic acid chlorides of formula II with aminosulfons of formula III, under the influence of B equivalents of base IV. Said method is characterised in that, during step a) the aminosulfon of formula III is reacted with B1 equivalents of base IV, and during step b), the reaction mixture resulting from step a) is reacted with m-nitro-benzoic acid chlorides of formula II and B2 equivalents of base IV; B, B1 and B2 having the designations cited in the description.
Abstract:
Die vorliegende Erfindung betrifft substituierte Cyclohexylmethyl-Derivate, Verfahren zu deren Herstellung, Arzneimittel enthaltend diese Verbindungen und die Verwendung von substituierten Cyclohexylmethyl-Derivaten zur Herstellung von Arzneimitteln.
Abstract:
Verfahren zur Herstellung von Sulfonamiden (I) wobei die Variablen die in der Beschreibung genannten Bedeutungen haben, durch Umsetzung von m-Nitro-Benzoesäurechloriden II mit Aminosulfonen III, unter dem Einfluß von B Äquivalenten Base IV, dadurch gekennzeichnet, dass in Schritt a) das Aminosulfon III mit B1 Äquivalenten Base IV umgesetzt wird, und in Schritt b) die aus Schritt a) resultierende Reaktionsmischung mit m-Nitro- Benzoesäurechloriden II und B2 Äquivalenten Base IV umgesetzt wird; wobei B, B1 und B2 die in der Beschreibung genannten Bedeutungen haben.
Abstract:
The production of fluoroorganic compounds in the form of amidoamines, quaternised compounds thereof, amides and ethers, guanidides, hydrazides, ureides, thioureides, perfluoropolyoxaalkylenesulfo- or perfluoropolyoxaalkylenecarboxylic acids and a biocidal antiseptic substance produced on the basis of this fluoroorganic compound and intended for coatings preventing from bio-fouling of various articles and constructions.
Abstract:
The novel method of synthesis of sulphonamide derivatives (I), comprising reaction of alkyl-4-halophenylsulfonate with an amine. Formula (I) wherein X is halogen and R1 and R2 are independently selected from group comprising (i) C 1 to C 15 alkyl, straight or branched, (ii) C 3 to C 15 cycloalkyl, substituted or unsubstituted, (iii) C 2 to C 15 alkenyl, straight or branched, (iv) C 2 to C 15 alkynyl, straight or branched, (v) phenyl or benzyl, substituted or unsubstituted, (vi) heterocycloalkyl, substituted or unsubstituted, (vii) hydrogen, (viii) form with the nitrogen to which they are attached a 3-7 membered heterocyclic moiety such as pyrolidine, piperidine, piperazine, imidazole, pyrazole, (ix) the alkyl in i) may be attached to a moiety selected from cycloalkyl or heterocycloalkyl, substituted or unsubstituted