ES362545A3 - Procedure for the preparation of a benzimidazol 2-substituted. (Machine-translation by Google Translate, not legally binding)
- Google Patents
Procedure for the preparation of a benzimidazol 2-substituted. (Machine-translation by Google Translate, not legally binding)
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Merck and Co Inc
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Merck and Co Inc
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Priority to ES362545ApriorityCriticalpatent/ES362545A3/en
Publication of ES362545A3publicationCriticalpatent/ES362545A3/en
Pharmaceuticals Containing Other Organic And Inorganic Compounds
(AREA)
Plural Heterocyclic Compounds
(AREA)
Abstract
A process for the preparation of a 2-substituted benzimidazole of formula Bz-r Where bz represents the benzimidazole nucleus and r is selected from the group consisting of aryl, heteroaryl, aralkyl and alkyl radicals, whose process consists of treating an amidine of formula ** (see formula) ** With a halogenating agent selected from the group consisting of chlorinating and brominating agents, in the presence of an equimolar amount of at least base, wherein p represents a phenyl group and r is as defined above (Machine-translation by Google Translate, not legally binding)
ES362545A1969-01-151969-01-15Procedure for the preparation of a benzimidazol 2-substituted. (Machine-translation by Google Translate, not legally binding)
ExpiredES362545A3
(en)