1,3,4-oxadiazole derivatives and process for the preparation...

Details 1,3,4-oxadiazole derivatives and process for the preparation... 1,3,4-oxadiazole derivatives and process for the preparation...

C - Chemistry, Metallurgy

07

D

C07D 271/10 (2006.01) C07D 413/06 (2006.01)

Patent

CA 2401240

A process for producing 1,3,4-oxadiazole derivatives represented by the general formulae (I) and (IV) (wherein the symbols have the same meanings as in the description); and the novel 1,3,4-oxadiazole derivative compound represented by the general formula (I). By the process, a compound represented by the general formula (IV), which is an intermediate for a 1,3,4-oxadiazole derivative useful as a medicine (elastase inhibitor), can be efficiently produced via a novel intermediate (the compound represented by the general formula (I)).

L'invention concerne un procédé destiné à produire des dérivés de 1,3,4-oxadiazole représentés par les formules générales (I) et (IV), dans lesquelles les symboles ont la même signification que dans la description, ainsi que le nouveau dérivé de 1,3,4-oxadiazole représenté par la formule générale (I). Ce procédé permet de produire efficacement un composé représenté par la formule générale (IV), à savoir un intermédiaire pour un dérivé de 1,3,4-oxadiazole utilisé comme médicament (inhibiteur de l'élastase), au moyen d'un nouvel intermédiaire (le composé représenté par la formule générale (I)).

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