摘要:
Provided is a method of synthesizing a C(sp 3 )-C(sp 2 ) cross-coupled compound comprising reacting a C(sp 3 ) coupling partner with a C(sp 2 ) coupling partner, a catalyst, and a solvent; wherein the C(sp 3 ) coupling partner comprises an organic zinc reagent; and wherein the C(sp 2 ) coupling partner comprises a heterocyclic halide or a heterocyclic pseudo halide. The method further comprises synthesis of the organic zinc reagent, wherein the synthesis comprises reacting a zinc powder with an acid, filtering, washing, and drying to obtain an activated zinc powder; and reacting the activated zinc powder with a metal iodide catalyst and a second solvent and heating for a predetermined time to obtain the organic zinc reagent.
摘要:
Nouvelles azacarbolines de formule :(I) dans laquelle : R3, R4 représentent indépendamment l'un de l'autre H;hal; CF 3 ; oxy substituée; alkoxy éventuellement substitué; amino éventuellement substitué; carbonyle substitué; carboxyle éventuellement substitué; amide éventuellement substitué; soufre tels que les sulfures, sulfoxides ou sulfones éventuellement substitués;C 1 -C 10 alkyle linéaire, ramifié ou cyclique comportant éventuellement un hétéroatome éventuellement substitué;C 2 -C 7 alkenyle linéaire, ramifié ou cyclique éventuellement substitué; C 2 -C 6 alkynyle linéaire ou ramifié éventuellement substitué; aryle ou hétéroaryle éventuellement substitué;hétérocycloalkyle éventuellement substitué; R6 représente hétéroaryle, C(O)NR1aR1b, hétérocycloalkyle ou -C(O)hétérocycloalkyle tous éventuellement substitués; à l'état de base ou de sel d'addition à un acide. Utilisation en thérapeutique pour le traitement du cancer et procédés de synthèse.
摘要:
Polyionic liquid salts are provided comprising polycationic or polyanionic molecules. Further provided are solvents comprising one or more polyionic liquid salts, and the use of such polyionic liquid salts as stationary phases in gas chromatography, and as a reagent in electrospray ionization- mass spectrometry (ESI-MS).
摘要:
The invention relates to special sulphinic acid derivatives of formula (I), wherein M represents a hydrogen atom or an equivalent of a monovalent or polyvalent cation, R is derived from a peptide or represents a group according to one of the formulae (II) to (VI), (for the meaning of the remaining substitutients see claim 1), enabling a durable decolouration of the dyed substrates to take place without darkening the decoloured substrates. The substrate structure is not damaged during the decolouration process.
摘要:
The invention relates to compounds having formula (I), wherein: X represents a group having formula (II). According to the invention, R 1 and R 6 represent a hydrogen atom or an alkyl group. R 2 represents a radical selected from among: a (C 1 -C 12 )alkyl; a non-aromatic carbocyclic radical at (C 3 -C 12 ); a (C 3 -C 7 )cycloalkylmethyl; a phenyl, a benzyl, a benzhydryl, a benzhydrylmethyl, phenethyl, a benzodioxolyl, a dihydrobenzofuranyl, a dihydrobenzodioxinyl; a methyl substituted by a benzodioxolyl, a dihydrobenzofuranyl, a dihydrobenzodioxinyl; a non-substituted 1, 2, 3, 4-tetrahydronaphtalenyl; or a heterocyclic radical, an indolyl, a substituted or non-substituted benzothiazolyl, said radicals being substituted or non-substituted. R 3 represents a (C 1 -C 5 )alkyl or a (C 3 -C 7 ) cycloalkyl. R 4 and R 5 represent a substituted or non-substituted phenyl. The invention also relates to a method of preparing said derivatives and to the application thereof in therapeutics.
摘要:
The present invention relates to new mGluR5 receptor subtype preferring ligands of formula (I): (I) wherein R 1 and R 2 represent independently a substituent selected from hydrogen, halogen, alkyl, alkoxy, haloalkyl and cyano; X is a CHR6 group or O; R 3 represents an alkyl substituent, R 4 and/or R 5 represent hydrogen, R 6 is hydrogen or alkyl, or R 3 and R 4 with the intermediate two carbon atoms together form a cyclohexane or cyclopentane ring and/or R 5 and R 6 together form a bond; Y is an optionally substituted phenyl or heterocyclyl, and/or enantiomers and/or racemates and/or diastereomers and/or geometric isomers and/or salts and/or hydrates and/or solvates thereof, to the process for producing the same, to pharmaceutical compositions containing the same and to their use in therapy and/or prevention of pathological conditions which require the modulation of niGluR5 receptor such as neurological disorders, psychiatric disorders, acute and chronic pain and neuromuscular dysfunctions of the lower urinary tract.
摘要:
Der Gegenstand der vorliegenden Erfindung ist ein Katalysator, der einen Träger und ein katalytisch aktives Material enthält. Die Partikel des katalytisch aktiven Materials sind dabei bimodal größenverteilt. Die Fraktion der größeren Partikel des katalytisch aktiven Materials und die Fraktion der kleineren Partikel des katalytisch aktiven Materials liegen gleichmäßig vermischt in der katalytisch aktiven Schicht des Katalysators vor. Das katalytisch aktive Material beträgt 50 Gew.-% oder weniger bezogen auf den Katalysator. Die Erfindung betrifft weiterhin ein Verfahren zur Herstellung oder zur Regenerierung eines erfindungsgemäßen Katalysators. Ein auf einem Träger befindliches katalytisch aktives Material wird dabei in einem ersten Schritt koaguliert. In einem weiteren Schritt wird ein weiteres katalytisch aktives Material auf den Träger aufgebracht. Die Erfindung betrifft weiterhin die Verwendung des katalytisch aktiven Materials zur Dehydrierung von fünf- oder sechsgliedrigen kohlenstoffhaltigen Molekülringen zu aromatischen Verbindungen.
摘要:
This invention relates to compounds, their uses for the elucidation of PAR2 activity and their uses for the treatment or prevention of diseases or disorders related to PAR2 activity, wherein the compound has the general chemical structure: (I).
摘要:
A process for preparing a compound of formula (I): comprises reacting a 1,4-diketone of the formula (II): with a primary amine of the formula (III): wherein R 1 and R 2 may be the same or different and are selected from any one or more of H; C 1 -C 6 alkyl which may be straight or branched, substituted or unsubstituted with a halogen group; C 1 -C 6 alkoxy group; or R 1 and R 2 together represent an alkylidene group of the formula CR a R b wherein R a and R b may be the same or different and are selected from any one or more of a C 1 -C 11 alkyl group, and R 3 is selected from any one or more of a C 1 -C 6 alkyl group, in the presence of a catalyst, the catalyst comprising a salt wherein the salt comprises an amine salt or an inorganic salt of an organic acid.