Abstract:
The present invention relates to l H-Quinazoline-2,4-diones of formula (I) wherein R 1 and R 2 are as defined in the specification, their preparation, their use as AMPA-receptor ligands, in particular for the treatment of epilepsy or schizophrenia, and pharmaceutical compositions containing them. Further, intermediates for the manufacture of compounds of formula (I) and combinations comprising compounds of formula (I) are disclosed.
Abstract:
Amine derivatives of benzoylbenzoic acid, benzoylbenzoic acid esters and salts were prepared, which are suitable as photo initiators for UV & LED curable compositions. The derivatives are compounds of Formula I, la, and II wherein R 1 , R 1a , R 2 , R 3 , n and r are as defined herein.
Abstract:
The invention provides a process for the preparation of a compound of Formula 1; comprising coupling a carboxylic acid of Formula 2; with an aniline of Formula 3; in the presence of a coupling agent.
Abstract:
An improved method of producing keto acids having the formula (I), wherein R 1 and R 2 independently represent (a) hydrogen, wherein at least one of R 1 and R 2 do not stand for hydrogen, (b) branched or unbranched alkyl of 1-18 carbon atoms, which may be substituted by C 1 -C 4 alkoxy or 2- or 3-tetrahydrofuryl, (c) a cycloalkyl of 4-8 carbon atoms, (d) C 4 -C 8 cycloalkyl-C 1 -C 4 alkyl, or phenyl, wherein both, cycloalkyl and phenyl, may be substituted by at least one member selected from the group consisting of halogen atoms and alkyls having 1-4 carbon atoms, (e) an aralkyl of 7-10 carbon atoms, or (f) R 1 and R 2 together with the adjacent nitrogen atom may form a heterocyclic ring, by reacting a m -amino phenol having the formula (II) with phthalic anhydride at an elevated temperature in the absence of an organic solvent, which comprises: (I) mixing m -amino phenol II and phthalic anhydride in a molar ratio of from 0.5 to 10:1, (II) melting the mixture of step I at an elevated temperature, (III) choosing a reaction time in the range of from 5 minutes to 40 hours, (IV) then separating the liquid phase from the solid phase as well as a method in which a solvent is added after the reaction.
Abstract:
There is provided compounds of formula I, wherein Y, ring A, Da, Db, D2, D3, L1, Y1, L2, Y2, L3 and Y3 have meanings given in the description, and pharmaceutically-acceptable salts thereof, which compounds are useful in the treatment of diseases in which inhibition of leukotriene C4 synthase is desired and/or required, and particularly in the treatment of a respiratory disorder and/or inflammation.
Abstract:
There is provided compounds of formula I, wherein Y, ring A, D a , D b , D 2 , D 3 , L 1 , Y 1 , L 2 , Y 2 , L 3 and Y 3 have meanings given in the description, and pharmaceutically-acceptable salts thereof, which compounds are useful in the treatment of diseases in which inhibition of leukotriene C 4 synthase is desired and/or required, and particularly in the treatment of a respiratory disorder and/or inflammation.
Abstract:
An anthranilic acid derivative represented by the general formula below or a salt thereof: wherein R 1 and R 2 independently represent a hydrogen atom or the like; R 3 represents a phenyl, cycloalkyl or bicyclic heterocyclic group which may be substituted or the like; R 4 represents a phenyl, cycloalkyl or pyridyl group which may be substituted or the like; and X 1 represents an alkylene or alkenylene group which may be substituted or a bond; X 2 represents the general formula: -X 3 -X 4 - or -X 4 -X 3 - where X 3 represents a sulfur atom, an imino group, a bond or the like, X 4 represents an alkylene or alkenylene group which may be substituted or a bond, or the like. The derivative or salt thereof has an effect of inhibiting the production of MMP-13, and therefore is useful as a therapeutic agent for rheumatoid arthritis, osteoarthritis, cancer or the like.
Abstract translation:由以下通式表示的邻氨基苯甲酸衍生物或其盐:其中R 1和R 2独立地表示氢原子等; R 3表示可被取代的苯基,环烷基或双环杂环基等; R 4表示可被取代的苯基,环烷基或吡啶基等; X 1表示可以被取代或键合的亚烷基或亚烯基; X 2表示以下通式:-X 3 -S 4 - 或 - X 4 -SH > 3 SUP>其中X 3表示硫原子,亚氨基,键或类似基团,X 4表示亚烷基或亚烯基,可以是 取代或键合等。 其衍生物或其盐具有抑制MMP-13的产生的作用,因此可用作类风湿性关节炎,骨关节炎,癌症等的治疗剂。