PRODUCTION OF IMIDAZOLES

PRODUCTION OF IMIDAZOLES A new process is described for the production of 4methyl-5-imidazoles, particularly Cimetidine of the formula by the following series of reactions wherein Alk1 preferably is -CH2-CH2- and Alk2 preferably CH3. The process is unexpectedly carried out in extremely good yields.

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Bibliographische Detailangaben
Hauptverfasser: GELTING, NIELS, ALHEDE, B/RGE, CLAUSEN, FINN P, PREIKSCHAT, HERBERT
Format: Patent
Sprache:eng ; fre
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Zusammenfassung:PRODUCTION OF IMIDAZOLES A new process is described for the production of 4methyl-5-imidazoles, particularly Cimetidine of the formula by the following series of reactions wherein Alk1 preferably is -CH2-CH2- and Alk2 preferably CH3. The process is unexpectedly carried out in extremely good yields.