ES252876A1 - Procedure for the preparation of substitute benzymidazoles (Machine-translation by Google Translate, not legally binding)
- Google Patents
Procedure for the preparation of substitute benzymidazoles (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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Bayer Pharma AG
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Schering AG
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Publication of ES252876A1publicationCriticalpatent/ES252876A1/en
Pharmaceuticals Containing Other Organic And Inorganic Compounds
(AREA)
Abstract
Process for the preparation of substituted benzimidazoles as high-value therapeutic products with antiphlogistic and analgesic properties of the general formula ** where they mean: r1 alkyl r2 and r3 the atomic group -ch2 -ch2 -oh or r2 the atomic group -ch2 -ch2 -oh and r3 hydrogen or r2 and r3 together with the rest of morpholine and where r4 represents the hydrogen or the nitrocaractrized group because of the 2-halogenmethylbenzimidazoles of the general formula ** where r1 and r4 have the above-mentioned meaning they are reacted with ethanolamindiethanolamine or morpholine or because of the combinations of the general formula ** where r1 up to r4 also have the indicated meaning plus arribase submits them to the reaction itself and a known ring closure to get to benzimidazole.
ES0252876A1958-11-151959-10-24Procedure for the preparation of substitute benzymidazoles (Machine-translation by Google Translate, not legally binding)
ExpiredES252876A1
(en)