Method for producing 4-nitroimidazole compound

C - Chemistry – Metallurgy – 07 – D

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C07D 233/92 (2006.01)

Patent

CA 2555372

The present invention provides a method for producing a 4-nitroimidazole compound represented by general formula (1) at high yield and at high purity by a safe method causing few dangers such as explosion. The production method of the present invention comprises iodinating a 4-nitroimidazole compound represented by general formula (2): wherein each of X1 and X2 represents a chlorine atom or bromine atom, and then reducing the obtained 5-iodo-4- nitroimidazole compound represented by general formula (3): wherein X2 is the same as defined above.

La présente invention fournit un procédé pour produire un composé 4-nitroimidazole représenté par la formule générale (1) avec un rendement élevé et à une pureté élevée par un procédé sans danger provoquant peu de dangers tels que des dangers d'explosion. Le procédé de production de la présente invention comprend d'ioder un composé 4-nitroimidazole représenté par la formule générale (2) : dans laquelle chacun de X?1¿ et X?2¿ représente un atome de chlore ou un atome de brome et ensuite d'effectuer une réduction du composé 5-iodo-4-nitroimidazole obtenu représenté par la formule générale (3) : dans laquelle X?2¿ est le même que celui défini ci-dessus.

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