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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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. |
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