Process for producing 2-substituted 5-chlorimidazoles

摘要

The 2-substituted 5-chlorimidazoles of general formula: <IMAGE> I are new intermediate products for the production of antihypertensive pharmaceutical agents or of herbicidal compounds. A process for the production of these intermediate products as well as a new process for the further reaction of 2-substituted 5-chlorimidazoles of general formula I, wherein R1 is hydrogen, to the 2-substituted 5-chlorimidazole-4-carbaldehydes of general formula: <IMAGE> II