1,2-dithiol-3-one derivatives; preparation thereof and...

C - Chemistry – Metallurgy – 07 – D

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260/277.1, 260/2

C07D 339/04 (2006.01) C07D 409/12 (2006.01)

Patent

CA 1227208

PRECIS DE LA DIVULGATION: L'invention concerne un procédé pour la préparation de dérivés de formule (I): Image (I) dans laquelle: soit R = H ou Cl, A = O, NH,alcoylimino, alcoylcarbonylimino ou formylimino et Ar =phényle substitué par cycloalcoyle (3 à 7C), alcényle (2 à 4C),anilino, formyle, semicarbazonométhyle, dithiolanne-1,3 yle-2, dioxo- lanne-1,3 yle-2, dialcoylaminométhylèneamino, trifluoro- méthylthio, alcoylcarbonyloxy ou alcoyle substitué par hydroxy, alcoyloxy, carboxy, amino, alcoylcarbonylamino, alcoyloxycarbonylamino, dialcoylaminométhylèneamino, formamido, alcoyluréido, phénylsulfonyle, carbamoyle, alcoyl- carbamoyle, dialcoylcarbamoyle, formyle, semicarbazono- méthyle, dithiolanne-1,3 yle-2,dioxolanne-1,3 yle-2 ou bien Ar = pyridyle, quinolyle, isoquinolyle, indanyle ou quinoxalinyle; soit R = H, A = O,NH, alcoylimino, alcoyl- carbonylimino ou formylimino et Ar = phényle substitué par alcoyle, soit R =Cl, A = O,alcoylcarbonylimino ou formylimino et Ar = phényle substitué par alcoyle, tous les alcoyles ayant 1 à 4 C en chaîne droite ou ramifiée. L'invention concerne également les dérivés ainsi obtenus, lesquels sont notamment utiles comme agents antirhumatismaux.

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